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Undecorated Drawings - EMD SD40

Selected scales:


See the EMD SD38, SD39, SD40, SD45 Phases for phase descriptions.

1:18 Drawings

Model Built Phase Numbers Notes Last modified
EMD SD40
  
1966-03 -
1966-04
1a3 ATSF 1700-1719
2021-01-10Revision history:

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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 pipe overlapping bell

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1971-10 -
1971-11
2c BN 6300-6324
2021-01-10Revision history:

2017-03-19
- Added cab door stops

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1967-10 -
1968-04
2a3 CBQ 875-887
2021-01-10Revision history:

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1966-08 -
1966-09
1a3 CGW 401-409
2021-01-10Revision history:

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2020-12-29
- Front fuel tank support (left side)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1966-07 -
1966-08
1a3 (C.S.)
CO 7450-7469
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-01-02
- Added missing section of bell

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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 pipe overlapping bell

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2020-12-29
- Front fuel tank support (left side)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1967-05 1b2 (C.S.)
BO 7482-7494;
CO 7475-7481
2021-02-04Revision history:

2017-05-16
- Added missing speed recorder cable

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-01-02
- Added missing section of bell

2018-02-25
- Removed ballast plate above fuel tank

2018-10-05
- Updated handrail stanchions with even bottoms

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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 pipe overlapping bell

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe

2021-02-04
- Walkway blower duct and side handrail jog position
EMD SD40
  
1969-04 2b1 (C.S.)
BO 7497-7500;
CO 7501-7506
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1970-06 -
1970-07
2b2 (C.S.)
CO 7507-7526
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1971-03 2c (C.S.)
CO 7527-7536
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1969-08 -
1970-01
2b1 GTW 5900-5920
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Removed extra bolt on exhaust stack housing

2018-10-17
- Removed rear numberboards

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1970-09 2b2 GTW 5921-5929
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Removed extra bolt on exhaust stack housing

2018-10-17
- Removed rear numberboards

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1967-12 2a2 IC 6000-6005
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1966-10 -
1966-12
1b1 KCS 600-613
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1966-06 -
1966-09
1a3 LN 1225-1228
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank
- Revised fuel gauge
- Removed inner sand lines

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1969-04 2b1 LN 1229-1233
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank
- Revised fuel gauge
- Removed inner sand lines

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-07-22
- Changed to earlier handrail stanchions (bottoms not lined up)

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1970-04 -
1970-09
2b2 LN 1234-1248
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank
- Revised fuel gauge

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-07-22
- Changed to earlier handrail stanchions (bottoms not lined up)

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1971-05 2c LN 1249-1258
2021-01-10Revision history:

2017-01-04
- Removed hand brake

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank
- Revised fuel gauge

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1966-05 -
1966-06
1a3 NW 1580-1609 High short hood
2021-01-10Revision history:

2017-05-16
- Added grabiron at top of short hood

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Corrected glitch in short hood headlight
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1971-05 2c NW 1610-1624 High short hood
2021-01-10Revision history:

2017-05-16
- Added grabiron at top of short hood

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Corrected glitch in short hood headlight
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1970-12 -
1971-02
2b2 PC 6240-6284
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
    
1966-02 -
1966-03
1a2, 1a3 PRR 6040-6104
2021-01-10Revision history:

2017-05-30
- Removed rear flag holder

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2018-01-02
- Added missing section of bell

2018-02-25
- Removed ballast plate above fuel tank

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2020-12-29
- Corrected mismatched front right handrail (PRR 6040-6054)

2021-01-02
- Added MU connector on end handrails

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1971-04 2c SOU 3170-3185
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
  
1972-01 3 SOU 3186-3200
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe
EMD SD40
    
1966-01 -
1966-05
1a1, 1a2, 1a3 SP 8400-8410,
8411-8429, 8430-8478
2021-01-10Revision history:

2017-10-08
- Corrected minor line glitch on latches on first engine room door
- Revised bottom flange of dynamic brake fans
- Removed extra bolt on exhaust stack housing (SD40 right-side views)

2018-02-25
- Removed ballast plate above fuel tank

2018-11-14
- Added circular vent on top of short hood

2019-01-18
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- 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

2019-01-23
- Relocated dynamic brakes
- Revised exhaust stack
- Corrected error with 4th handrail stanchion from rear

2019-08-10
- Added missing grabiron ahead of right-side battery box

2020-11-05
- Corrected line glitch in fuel filler (left side)

2020-12-21
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

2021-01-10
- Fuel tank height and gap from underframe