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Undecorated Drawings - EMD SD40-2

Selected scales:


1:18 Drawings

Model Built Phase Numbers Notes Last modified
EMD SD40-2
  
1977-11 2a2 ATSF 5020-5027 123" short hood
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-10 -
1977-11
2a2 ATSF 5028-5057
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-10 2a4 ATSF 5200-5213
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-04 -
1979-05
2b2 ATSF 5058-5070 Oscitrol light
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-09 -
1979-10
2b2 ATSF 5071-5108
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-10 -
1979-11
2b2 ATSF 5109-5124 123" short hood
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-11 -
1980-12
2c2 ATSF 5125-5140 123" short hood
2024-06-08Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams

2024-06-08
- Changed cab sunshade from sliding to fixed
EMD SD40-2
  
1980-09 -
1980-10
2c2 ATSF 5141-5169
2024-06-08Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams

2024-06-08
- Changed cab sunshade from sliding to fixed
EMD SD40-2
  
1981-10 -
1981-12
2d2 ATSF 5170-5192
2024-06-08Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door
- Removed rear flag holder

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-17
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams

2024-06-08
- Changed cab sunshade from sliding to fixed
EMD SD40-2
  
1972-01 -
1972-03
1a1 BN 6325-6339;
CS 900-917
BN 6335-6339 re# 6912-6916;
CS 900-917 re# 6348:2-6365:2
2023-01-09Revision history:

2016-04-14
- Revised steps
- Added round front platform lights

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1973-03 -
1973-12
1a2 BN 6340-6375, 6824-6836, 6917-6928 Locotrol-equipped
BN 6340-6363 re# 6800-6823
BN 6364-6375 re# 6900-6911
2023-01-09Revision history:

2016-04-14
- Revised steps
- Added round front platform lights

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1974-02 -
1974-05
1a2 BN 6376-6385;
CS 918-925, 980, 996
CS 918-925 re# 6366:2-6373:2
CS 980, 996 re# 6850, 6950
2023-01-09Revision history:

2016-04-14
- Revised steps
- Added round front platform lights

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1974-11 -
1974-12
1a2 BN 6700-6707;
CS 950-959
CS 950-959 re# 7820-7829
2023-01-09Revision history:

2016-04-14
- Revised steps
- Added round front platform lights

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1976-02 -
1976-03
1c1 BN 6708-6752
2023-01-09Revision history:

2016-04-14
- Revised steps
- Revised jacking pads (no casting hole)
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1976-02 -
1976-03
2a1 BN 6753-6772
2023-01-09Revision history:

2016-04-14
- Revised steps
- Revised jacking pads (no casting hole)
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-05 -
1977-06
2a2 BN 6773-6780, 8000-8009;
CS 930-949, 960, 961
CS 930-949 re# 7800-7819
CS 960, 961 re# 7830, 7831
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Revised jacking pads (no casting hole)
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-11 -
1977-12
2a2 BN 6781-6799, 7000-7028
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Revised jacking pads (no casting hole)
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-02 -
1978-04
2a3 BN 7029-7053, 8010-8029
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-06 -
1979-03
2a4 BN 7054-7160;
CS 7832-7877
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-04 -
1979-07
2b1 BN 7161-7166, 8030;
CS 7878-7919
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-06 -
1979-12
2b2 BN 7167-7205, 8031-8089;
CS 7920-7923
BN 7167-7205, 8074-8089 built by GMD
(GMD version illustrated)
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-01 -
1980-07
2c BN 7206-7291, 8090-8181;
CS 7924-7940
BN 7206-7235 built by GMD
(EMD version illustrated)
2023-01-09Revision history:

2015-08-25
- Revised end handrails above anticlimber (center stanchions moved in from the end)

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet
- Added round front platform lights

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie S-3K to Prime PM-990

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-01 -
1977-02
2a1 BO 7600-7619
2023-01-09Revision history:

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2023-01-09
- Long hood end seams
EMD SD40-2
   
1973-08 -
1974-04
1a2 CNW 6801-6815, 6816-6865
2023-01-09Revision history:

2012-12-17
- Air reservoir size

2013-03-24
- End plates

2014-02-17
- Truck shape and casting logos

2014-10-22
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)

2014-11-07
- Inertial air intakes (added ridge on top)
- Revised center axle shock strut

2016-04-14
- Revised steps

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-11-08
- Removed rear footboards (left side)

2023-01-09
- Long hood end seams
EMD SD40-2
  
1974-09 1a2 CNW 6866-6890
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-11-08
- Removed rear footboards (left side)

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-01 -
1975-02
1b1 CNW 6891-6925
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1976-11 1c2 CNW 6926-6935
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-06 -
1977-09
2a2 CR 6358-6440 Flexicoil trucks
2023-01-09Revision history:

2017-10-16
- Added/relocated short hood top and side grabirons

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)
- Added missing section of smaller air filter

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-09 -
1978-11
2a4 CR 6441-6482 Flexicoil trucks
2023-01-09Revision history:

2017-10-16
- Added/relocated short hood top and side grabirons

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-10-22
- Changed from Phase 2a3 to 2a4

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)
- Added missing section of smaller air filter

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-07 -
1979-10
2b2 CR 6483-6524 Flexicoil trucks
2023-01-09Revision history:

2017-10-16
- Added/relocated short hood top and side grabirons

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)
- Added missing section of smaller air filter

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
   
1974-03 -
1974-12
1a2 (F.L.)
LN 1259-1278, 3554-3583
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-09 2a2 (F.L.)
LN 3584-3605
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1977-10 2a2 (F.L.)
LN 3606-3613
Locotrol-equipped
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-03 -
1979-04
2b1 (F.L.)
LN 8000-8033
2023-01-09Revision history:

2017-12-08
- Removed pixel error on front radiator fan (right side view)

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-08 -
1979-11
2b2 (F.L.)
LN 8034-8039, 8067-8086;
OWTX 9950-9957
2023-01-09Revision history:

2017-12-08
- Removed pixel error on front radiator fan (right side view)

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-07 -
1979-08
2b2 (F.L.)
SCL 8040-8066
2023-01-09Revision history:

2017-12-08
- Removed pixel error on front radiator fan (right side view)

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-05 -
1980-06
2c1 (F.L.)
SCL 8087-8094, 8130
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Added missing bell

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-05 -
1980-08
2c1 (F.L.)
LN 8095-8126
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Added missing bell

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-08 2c1 (F.L.)
CRR 8127-8129
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Added missing bell

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1981-09 2d2 (F.L.)
CRR 8131-8132
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Added missing bell

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1981-09 -
1981-10
2d2 (F.L.)
LN 8133-8162
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Added missing bell

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-12 1b2 ICG 6030-6033
2023-01-09Revision history:

2014-02-17
- Truck shape and casting logos

2014-10-22
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)

2014-11-07
- Inertial air intakes (added ridge on top)
- Revised center axle shock strut

2016-04-14
- Revised steps
- Revised jacking pads (no casting hole)

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2020-12-24
- Added raised rear uncoupling lever

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-08 -
1978-10
2a4 MKT 600-610
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-09 2b2 MKT 611-618
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-07 2c1 MKT 619-628
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1981-08 -
1981-09
2d1 MKT 629-636
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
    
1973-08 -
1974-02
1a2 MP 790-814, 815-838, 3139-3163 No dynamic brakes
790-838 re# 3090-3138
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-02 -
1975-03
1a2 MP 3164-3201 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-08 1b2 MP 3202-3215 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1976-07 -
1976-09
1c2 MP 3216:1-3235:1 re# 6000-6019
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-08 -
1978-09
2a4 MP 3216:2-3235:2, 3236-3265 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-05 -
1979-07
2b1 MP 3266-3301 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-06 2b1 MP 6020-6053
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-12 2b2 MP 3302-3311 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-04 2c1 MP 3312-3321 No dynamic brakes
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-04 2c1 MP 6054-6073
2023-01-09Revision history:

2021-01-09
- Fuel tank height and gap from underframe

2022-01-05
- Added end handrail chain

2022-03-18
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Changed horn from Leslie SL-3L to Prime PM-920

2023-01-09
- Long hood end seams
EMD SD40-2
  
1972-09 -
1972-12
1a1 NDeM 8700-8715 Export (Mexico)
2023-01-09Revision history:

2023-01-09
- Long hood end seams
EMD SD40-2
  
1973-11 -
1975-12
1a1, 1a2 NDeM 8716-8767 Export (Mexico)
2023-01-09Revision history:

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-02 2c1 NDeM 8768-8777 Export (Mexico)
No Q-type fans
2023-01-09Revision history:

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-08 -
1980-09
2c1 NDeM 8778-8798 Export (Mexico)
No silencer or Q-type fans
2023-01-09Revision history:

2023-01-09
- Long hood end seams
EMD SD40-2
  
1973-09 1a2 NW 1625-1635 High short hood
2023-01-09Revision history:

2016-04-14
- Revised steps

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1974-07 1a2 NW 1636-1652
2023-01-09Revision history:

2016-04-14
- Revised steps

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-02 -
1975-05
1b1 NW 6073-6138
2023-01-09Revision history:

2016-04-14
- Revised steps
- Revised jacking pads (no casting hole)

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-04 -
1978-06
2a3 NW 6139-6188
2023-01-09Revision history:

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
  
1980-12 2c2 NW 6189-6207
2023-01-09Revision history:

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1973-12 1a2 RI 4790-4799 No dynamic brakes
2023-01-09Revision history:

2012-12-17
- Air reservoir size

2013-03-24
- End plates

2014-02-17
- Truck shape and casting logos

2014-10-22
- Radiator fans (bottom rim edge and upper rim clips)

2014-11-07
- Inertial air intakes (added ridge on top)
- Revised center axle shock strut

2016-04-14
- Revised steps

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-07 2a4 SLSF 950-957
2023-01-09Revision history:

2014-02-17
- Truck shape and casting logos

2014-10-22
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)

2014-11-07
- Inertial air intakes (added ridge on top)

2016-02-19
- Removed dynamic brake hatch batten strip

2016-04-14
- Revised steps - redrawn steps with deeper angled sheet

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-17
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD SD40-2
   
1972-12 -
1974-01
1a2 SOU 3201-3216, 3217-3243 High short hood
2023-01-09Revision history:

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Corrected minor line glitch on latches on first engine room door
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2023-01-09
- Long hood end seams
EMD SD40-2
  
1975-07 1b1 SOU 3244-3254 High short hood
2023-01-09Revision history:

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-01 -
1978-02
2a2 SOU 3255-3287 High short hood
2023-01-09Revision history:

2016-04-19
- Corrected end handrail error

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
" 2a3 " High short hood
2023-01-09Revision history:

2016-04-19
- Corrected end handrail error

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1978-05 -
1978-06
2a4 SOU 3288-3302 High short hood
2023-01-09Revision history:

2016-04-19
- Corrected end handrail error

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams
EMD SD40-2
  
1979-02 -
1979-06
2b1 SOU 3303-3328 High short hood
2023-01-09Revision history:

2016-04-19
- Corrected end handrail error

2017-09-26
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-22
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Revised hood section under inertial air intake
- Gap from seam to middle hood doors shortened by 0.75"
- Middle hood doors shortened by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Revised radiator intake grills and roof fan hatch
- Revised exhaust stack

2020-12-18
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Air pipe vent valve (left front / right rear under walkway)
- Sand lines (larger pipe diameter, revised hoses)
- Adjusted height of center hinge of engine room doors
- Added missing line segment in traction motor cables above fuel filler (left side)

2021-01-09
- Fuel tank height and gap from underframe

2022-03-19
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-12-11
- Air pipe routing through plow, behind steps and through underframe

2023-01-09
- Long hood end seams

See also: