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Undecorated Drawings - CO

Selected scales:


1:18 Drawings

Model Built Phase Numbers Notes Last modified
ALCO RSD-12
  
1956-04 -
1956-05
1a1 CO 6700-6709 re# 2007-2016
2023-12-20Revision history:

2023-12-21
- Truck brake cylinders
EMD GP15T
  
1982-10 -
1982-12
CO 1500-1524
2022-02-08Revision history:

2019-08-06
- Relocated front hood seam resulting in revised hood proportions
- Front section of hood lengthened and blower duct widened by 1"
- Middle hood doors narrowed by 0.25"
- Increased height of walkway blower duct and bottom of hood doors
- Corrected seam at bottom corners of long hood
- Corrected minor line glitch on latches on first engine room door

2020-12-09
- Revised side handrail stanchions
- Increased handrail thickness
- Dynamic brake fan
- Fuel tank vent pipe (increased diameter, revised fittings)
- Increased metal sand pipe diameter
- Air pipe vent valve (left front / right rear under walkway)

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

2022-02-08
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct
EMD GP30
  
1962-08 -
1962-10
1b1 CO 3000-3001
2022-03-15Revision history:

2012-12-16
- Air reservoir size

2014-10-24
- Radiator fans (bottom rim edge and upper rim clips)
- Truck shape and casting logos

2015-01-20
- Revised radiator intakes - distinction between Phases 1a-1c2 vs. 1d-2b

2015-07-26
- Removed angled walkway plate from top step
- Revised engine room door height (0.5" lower)
- Corrected broken line in cab roof (right-side view)

2016-02-27
- Corrected pilots, support plates and footboards (representing GP18-GP30 version rather than GP35 and later version)

2017-09-02
- Corrected minor line glitch on latches on first engine room door
- Revised coupler pockets
- Corrected mismatched hood seams behind conductor's side inertial air intake
- Revised center radiator fan (changed to cap-top instead of open-top)

2017-10-07
- Revised bottom hatches on hood ends
- Removed bottom hatch latch hooks on short hood

2019-07-31
- 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 narrowed by 0.75"
- Middle hood doors narrowed by 0.25"
- Increased height of walkway blower duct and bottom of hood doors

2020-12-06
- Increased handrail thickness
- Revised radiator fans (48" fans)

2022-01-30
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts
- Corrected minor transparency glitch with front truck traction motor air ducts (right side)

2022-03-15
- Horn manifold and back cap dimensions
EMD GP30
  
1962-12 -
1963-01
1c2 CO 3002-3015
2022-03-15Revision history:

2012-12-16
- Air reservoir size

2014-10-24
- Radiator fans (bottom rim edge and upper rim clips)
- Truck shape and casting logos

2015-01-20
- Revised radiator intakes - distinction between Phases 1a-1c2 vs. 1d-2b

2015-07-26
- Removed angled walkway plate from top step
- Revised engine room door height (0.5" lower)
- Corrected broken line in cab roof (right-side view)

2016-02-27
- Corrected pilots, support plates and footboards (representing GP18-GP30 version rather than GP35 and later version)

2017-09-02
- Corrected minor line glitch on latches on first engine room door
- Revised coupler pockets
- Corrected mismatched hood seams behind conductor's side inertial air intake
- Revised center radiator fan (changed to cap-top instead of open-top)

2017-10-07
- Revised bottom hatches on hood ends
- Removed bottom hatch latch hooks on short hood

2019-07-31
- 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 narrowed by 0.75"
- Middle hood doors narrowed by 0.25"
- Increased height of walkway blower duct and bottom of hood doors

2020-12-06
- Increased handrail thickness
- Revised radiator fans (48" fans)

2022-01-30
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts
- Corrected minor transparency glitch with front truck traction motor air ducts (right side)

2022-03-15
- Horn manifold and back cap dimensions
EMD GP30
  
1963-08 -
1963-10
2a CO 3016-3047
2022-03-15Revision history:

2022-01-30
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts
- Corrected minor transparency glitch with front truck traction motor air ducts (right side)

2022-03-15
- Horn manifold and back cap dimensions
EMD GP30
  
" 2b "
2022-03-15Revision history:

2022-01-30
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts
- Corrected minor transparency glitch with front truck traction motor air ducts (right side)

2022-03-15
- Horn manifold and back cap dimensions
EMD GP35
  
1964-05 -
1964-09
1b1 BO 3540-3559;
CO 3520-3539
2022-03-02Revision history:

2012-12-16
- Air reservoir size

2014-10-23
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)
- Truck shape and casting logos

2018-11-11
- Corrected minor line glitch on latches on first engine room door

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

2020-12-06
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Dynamic brake housing dimensions and shape
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts

2022-03-02
- Horn manifold and back cap dimensions
EMD GP35
  
1964-09 -
1964-11
1b3 CO 3560-3575
2022-03-02Revision history:

2012-12-16
- Air reservoir size

2014-10-23
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)
- Truck shape and casting logos

2018-11-11
- Corrected minor line glitch on latches on first engine room door

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

2020-12-06
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Dynamic brake housing dimensions and shape
- Added missing portion of #2 (left side) and #3 (right side) traction motor air ducts

2022-03-02
- Horn manifold and back cap dimensions
EMD GP35
  
1965-09 -
1965-12
2b BO 3581; CO 3537:2, 3563:2, 3574:2, 3582-3584
2022-03-02Revision 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

2019-08-07
- Corrected line/crop issue at right of image

2020-12-06
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2021-01-13
- Fuel tank height and gap from underframe
- Fuel tank vent pipe (increased diameter, revised fittings)
- Handrail stanchions above fuel tank (left side)

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Dynamic brake housing dimensions and shape

2022-03-02
- Horn manifold and back cap dimensions
EMD GP38
  + 
1967-10 -
1967-12
2a1 BO 3800-3849;
CO 3850-3899
2022-03-02Revision history:

2012-12-16
- Revised air reservoir size

2014-10-23
- Truck shape and casting logos
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)

2016-03-03
- Roof hatch around radiator fans

2016-10-17 paper
- Revised shape at front of dynamic brake housing

2017-03-25
- Added circular panels on hood ends

2018-12-01
- Corrected minor line glitch on latches on first engine room door

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 handrail stanchion spacing
- Fuel tank and air reservoirs moved 1" to 1.5" rearward

2020-12-04
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Added missing pixel in left side frame above rear of fuel tank

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

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points

2022-03-02
- Horn manifold and back cap dimensions
EMD GP38
  + 
1970-07 -
1970-12
2b BO 4800-4819;
CO 4820-4829
2022-03-02Revision history:

2012-12-16
- Revised air reservoir size

2014-10-23
- Truck shape and casting logos
- Radiator and dynamic brake fans (bottom rim edge and upper rim clips)

2016-03-03
- Roof hatch around radiator fans

2016-10-17 paper
- Revised shape at front of dynamic brake housing

2018-12-01
- Corrected minor line glitch on latches on first engine room door

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
- Revised paper air filter housing and dynamic brake taper

2019-01-23
- Revised handrail stanchion spacing
- Fuel tank and air reservoirs moved 1" to 1.5" rearward

2020-12-04
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Added missing pixel in left side frame above rear of fuel tank

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

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points

2022-03-02
- Horn manifold and back cap dimensions
EMD GP40
  + 
1971-05 -
1971-12
2c BO 4000-4064; CO 3780-3794, 4065-4099
2023-12-28Revision history:

2012-12-16
- Air reservoir size

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

2018-10-31
- Corrected minor line glitch on latches on first engine room door

2019-01-17
- 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
- Fuel tank and air reservoirs moved 1" to 1.5" rearward
- Revised exhaust stack

2020-12-04
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)

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

2022-01-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-02-03
- Antenna and horn details

2022-03-02
- Horn manifold and back cap dimensions

2023-12-28
- Bottom latch on second hood door (left side)
EMD GP40-2
  
1972-08 -
1972-11
1a2 (C.S.)
BO GM50, 1977, 4100-4162;
CO 4165-4184
2023-01-09Revision history:

2012-12-16
- Air reservoir size

2014-08-02
- Truck casting logos
- Revised inertial air intake

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

2017-09-27
- Corrected minor line glitch on latches on first engine room door

2019-01-21
- 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

2019-01-24
- Fuel tank moved 2.5" rearward
- Front left traction motor cables moved 2.25" rearward
- Front right traction motor cables and air piping moved 0.75" to 1" rearward
- Revised exhaust stack

2020-12-07
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Increased metal sand pipe diameter
- Air pipe vent valve (left front / right rear under walkway)

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

2022-02-07
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Revised ribs on blower duct

2022-03-03
- Horn manifold and back cap dimensions

2023-01-09
- Long hood end seams
EMD GP40-2
  
1978-01 -
1978-03
2a1 (C.S.)
BO 4287-4311;
CO 4262-4286
2023-01-09Revision history:

2012-12-16
- Air reservoir size

2014-08-02
- Truck casting logos
- Revised inertial air intake

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

2015-03-29
- Inertial air intakes (revised upper/lower ridge detail)
- Rear steps (removed top step corner extension)

2017-09-27
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-21
- 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

2019-01-24
- Fuel tank moved 2.5" rearward
- Front left traction motor cables moved 2.25" rearward
- Front right traction motor cables and air piping moved 0.75" to 1" rearward
- Revised exhaust stack

2020-12-07
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Increased metal sand pipe diameter
- Air pipe vent valve (left front / right rear under walkway)

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

2022-02-08
- 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 GP40-2
  
1980-02 -
1980-03
2c1 (C.S.)
CO 4372-4421
2023-01-09Revision history:

2012-12-16
- Air reservoir size

2014-08-02
- Truck casting logos
- Revised inertial air intake

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

2015-03-29
- Inertial air intakes (revised upper/lower ridge detail)
- Rear steps (removed top step corner extension)
- Added hose pockets on rear pilot plates

2015-08-19
- Air reservoir piping

2017-09-27
- Revised position of lift ring and flag holder at rear of long hood
- Corrected minor line glitch on latches on first engine room door

2019-01-21
- 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

2019-01-24
- Fuel tank moved 2.5" rearward
- Front left traction motor cables moved 2.25" rearward
- Front right traction motor cables and air piping moved 0.75" to 1" rearward

2020-12-07
- Revised side handrail stanchions
- Increased handrail thickness
- Revised radiator and dynamic brake fan dimensions and spacing
- Fuel tank vent pipe (increased diameter, revised fittings)
- Increased metal sand pipe diameter
- Air pipe vent valve (left front / right rear under walkway)

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

2022-02-08
- 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 SD35
  
1964-09 -
1964-11
1b1 CO 7420-7431
2022-03-21Revision history:

2020-01-19
- Narrower stepwell edges

2020-12-16
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2021-01-13
- Fuel tank height and gap from underframe
- Fuel tank vent pipe (increased diameter, revised fittings)
- Handrail stanchions above fuel tank (left side)

2022-03-21
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions
EMD SD35
  
" 1b2 "
2022-03-21Revision history:

2020-01-19
- Narrower stepwell edges

2020-12-16
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2021-01-13
- Fuel tank height and gap from underframe
- Fuel tank vent pipe (increased diameter, revised fittings)
- Handrail stanchions above fuel tank (left side)

2022-03-21
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions
EMD SD35
  
1965-08 2a3 CO 7425:2, 7428:2 Wreck replacements
2022-03-21Revision history:

2020-12-16
- Increased handrail thickness
- Revised radiator and dynamic brake fans (48" fans)

2021-01-13
- Fuel tank height and gap from underframe
- Fuel tank vent pipe (increased diameter, revised fittings)
- Handrail stanchions above fuel tank (left side)

2022-03-21
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions
EMD SD40
  
1966-07 -
1966-08
1a3 (C.S.)
CO 7450-7469
2022-03-21Revision 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

2022-03-21
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions
EMD SD40
  
1967-05 1b2 (C.S.)
BO 7482-7494;
CO 7475-7481
2022-03-21Revision 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

2022-03-21
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions
EMD SD40
  
1969-04 2b1 (C.S.)
BO 7497-7500;
CO 7501-7506
2022-12-05Revision 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

2022-03-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions

2022-12-05
- Added sand pipes running below walkway sideframe
EMD SD40
  
1970-06 -
1970-07
2b2 (C.S.)
CO 7507-7526
2022-12-05Revision 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

2022-03-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions

2022-12-05
- Added sand pipes running below walkway sideframe
EMD SD40
  
1971-03 2c (C.S.)
CO 7527-7536
2022-12-05Revision 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

2022-03-29
- Coupler cut lever and pilot details
- Corner handrail end plate / stairwell attachment points
- Horn manifold and back cap dimensions

2022-12-05
- Added sand pipes running below walkway sideframe
EMD SD50
  
1984-01 -
1984-03
2a1 (CSXT)
CO 8553-8575;
SBD 8525-8552
2024-01-30
EMD SD50
  
1985-01 -
1985-11
2c (CSXT)
CO 8624-8643;
SBD 8603-8623
2024-01-30
GE B30-7
  
1978-05 1b CO 8235-8244
2022-08-02Revision history:

2018-11-21
- Revised air reservoir height and brackets
- Changed air reservoir brackets to early style with vertical C-channel supports
- Relocated rear traction motor cables closer to fuel tank

2019-08-12
- Corrected line glitch on left front/right rear axles (exposed axle caps only)
- Removed stray pixel from #2 axle (left side)

2020-02-11
- Revised air filter behind fuel tank (right side view)

2021-01-05
- Increased corner handrail thickness

2021-01-23
- Relocated fuel cutoff switch to within side sill

2021-02-11
- Pipe behind rear truck
- Added sloped plate under frame behind draft gear
- Fuel filler
- Added safety valve to front air reservoir (left side)
- Longer handrail stanchion in front of cab (right side)
- Removed end fuel gauge from rear of fuel tank

2022-08-02
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets
GE B30-7
  
1979-02 1d CO 8245-8254
2022-08-02Revision history:

2018-11-21
- Revised air reservoir height and brackets
- Changed air reservoir brackets to early style with vertical C-channel supports
- Relocated rear traction motor cables closer to fuel tank

2020-02-11
- Revised air filter behind fuel tank (right side view)

2021-01-05
- Increased corner handrail thickness

2021-01-23
- Added missing section of sand line nozzle on rear truck (left side)

2021-02-11
- Pipe behind rear truck
- Added sloped plate under frame behind draft gear
- Added missing end transoms on trucks
- Fuel filler
- Added safety valve to front air reservoir (left side)
- Longer handrail stanchion in front of cab (right side)
- Removed end fuel gauge from rear of fuel tank

2022-08-02
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets
GE B30-7
  
1979-06 2b CO 8255-8264
2022-08-02Revision history:

2018-11-21
- Revised air reservoir height and brackets

2020-02-11
- Revised air filter behind fuel tank (right side view)

2021-01-05
- Increased corner handrail thickness

2021-01-23
- Added missing section of sand line nozzle on rear truck (left side)

2021-02-11
- Pipe behind rear truck
- Added sloped plate under frame behind draft gear
- Added missing end transoms on trucks
- Fuel filler
- Added safety valve to front air reservoir (left side)
- Longer handrail stanchion in front of cab (right side)
- Removed end fuel gauge from rear of fuel tank

2022-08-02
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets
GE B30-7
  
1980-01 2c CO 8265-8278
2022-08-02Revision history:

2018-11-21
- Revised air reservoir height and brackets

2020-02-11
- Revised air filter behind fuel tank (right side view)

2021-01-05
- Increased corner handrail thickness

2021-01-23
- Added missing section of sand line nozzle on rear truck (left side)

2021-02-11
- Pipe behind rear truck
- Added sloped plate under frame behind draft gear
- Rear headlight and numberboards
- Added missing end transoms on trucks
- Fuel filler
- Added safety valve to front air reservoir (left side)
- Longer handrail stanchion in front of cab (right side)
- Removed end fuel gauge from rear of fuel tank

2022-08-02
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets
GE B30-7
  
1981-03 -
1981-05
3a CO 8279-8298
2023-11-11Revision history:

2018-11-21
- Revised air reservoir height and brackets

2020-02-11
- Revised air filter behind fuel tank (right side view)

2021-01-05
- Increased corner handrail thickness

2021-01-23
- Added missing section of sand line nozzle on rear truck (left side)

2021-02-11
- Added sloped plate under frame behind draft gear
- Rear headlight and numberboards
- Added missing end transoms on trucks
- Fuel filler
- Added safety valve to front air reservoir (left side)
- Longer handrail stanchion in front of cab (right side)
- Added notch and square hole at top of bolted strip above door behind cab
- Revised seams under door behind cab
- Removed end fuel gauge from rear of fuel tank

2022-08-02
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Removed extra cab side windows

2023-11-11
- Increased underframe height
GE U23B
  
1969-09 -
1969-10
2c CO 2300-2329
2022-03-15Revision history:

2020-12-31
- Increased corner handrail thickness

2021-02-05
- Fuel filler
- Higher footboards

2021-02-09
- Air filter bracket and piping behind fuel tank (right side)
- Added sloped plate under frame behind draft gear
- Added missing section of angled pilot brace behind steps

2021-02-13
- Longer handrail stanchion in front of cab (right side)

2022-02-08
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets

2022-03-15
- Horn manifold and back cap dimensions
GE U30B
  
1971-12 -
1972-12
2f CO 8200-8222
2022-03-15Revision history:

2018-12-20
- Added water level sight glass on right rear of hood

2020-01-25
- Revised hood doors behind cab (left side)

2020-02-11
- Corrected minor line glitch in front upper air intake (right side)
- Removed pipe behind fuel tank (right side)
- Revised air filter behind fuel tank (right side)

2020-02-13
- Increased corner step spacing

2020-12-31
- Increased corner handrail thickness

2021-02-05
- Fuel filler

2021-02-09
- Air filter bracket and piping behind fuel tank (right side)
- Added sloped plate under frame behind draft gear
- Added missing section of angled pilot brace behind steps
- Added missing end transoms on trucks

2021-02-13
- Longer handrail stanchion in front of cab (right side)

2022-02-08
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets

2022-03-15
- Horn manifold and back cap dimensions
GE U30B
  
1974-12 2h2 CO 8225-8234
2022-03-15Revision history:

2019-08-12
- Corrected line glitch on left front/right rear axles (exposed axle caps only)
- Removed stray pixel from #2 axle (left side)

2020-02-11
- Corrected minor line glitch in front upper air intake (right side)
- Removed pipe behind fuel tank (right side)
- Revised air filter behind fuel tank (right side)

2020-02-13
- Increased corner step spacing

2020-12-31
- Increased corner handrail thickness

2021-02-05
- Fuel filler

2021-02-09
- Air filter bracket and piping behind fuel tank (right side)
- Added sloped plate under frame behind draft gear

2021-02-13
- Longer handrail stanchion in front of cab (right side)

2022-02-08
- Coupler cut lever and pilot details
- Corner handrail and step bolts
- Cab window gaskets
- Added missing rear flag bracket

2022-03-15
- Horn manifold and back cap dimensions

1:36 Drawings

Model Built Phase Numbers Notes
EMD GP38
  
1967-10 -
1967-12
2a2 BO 3800-3849;
CO 3850-3899
EMD GP38
  
1970-07 -
1970-12
2b BO 4800-4819;
CO 4820-4829
EMD GP39
  
1969-05 -
1969-07
CO 3900-3919
EMD GP40
  
1971-05 -
1971-12
2c BO 4000-4064;
CO 3780-3794, 4065-4099
EMD GP40-2
  
1972-08 -
1972-11
1a2 (C.S.)
BO GM50, 1977, 4100-4162;
CO 4165-4184
EMD GP40-2
  
1978-01 -
1978-03
2a1 (C.S.)
BO 4287-4311;
CO 4262-4286
EMD GP40-2
  
1980-02 -
1980-03
2c1 (C.S.)
CO 4372-4421
EMD SD40
  
1966-07 -
1966-08
1a3 (C.S.)
CO 7450-7469
EMD SD40
  
1967-05 1b2 (C.S.)
BO 7482-7494;
CO 7475-7481
EMD SD40
  
1969-04 2b1 (C.S.)
BO 7497-7500;
CO 7501-7506
EMD SD40
  
1970-06 -
1970-07
2b2 (C.S.)
CO 7507-7526
EMD SD40
  
1971-03 2c (C.S.)
CO 7527-7536
EMD SD50
  
1984-01 -
1984-03
2a1 (CSXT)
CO 8553-8575;
SBD 8525-8552
EMD SD50
  
1985-01 -
1985-11
2c (CSXT)
CO 8624-8643;
SBD 8603-8623
GE B30-7
  
1978-05 1b CO 8235-8244
GE B30-7
  
1979-02 1d CO 8245-8254
GE B30-7
  
1979-06 2b CO 8255-8264
GE B30-7
  
1980-01 2c CO 8265-8278
GE U30B
  
1971-12 -
1972-12
2f1 CO 8200-8222
GE U30B
  
1974-12 2h2 CO 8225-8234

1:55 Drawings

Model Phase Numbers Notes Accuracy
ALCO C-630
  
CO 2100-2103 Hi-ad trucks
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP30
  
1c2 CO 3002-3015
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP30
  
2a CO 3016-3047
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP30
  
2b "
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP35
  
1b1 CO 3529-3539;
BO 3540-3559
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP35
  
1b2 CO 3560-3575
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP38
  
2a2 BO 3800-3849;
CO 3850-3899
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP38
  
" " As modified
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP38
  
2b BO 4800-4819;
CO 4820-4829
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP39
  
CO 3900-3919
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP40
  
2c BO 4000-4064;
CO 4065-4099
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP40-2
  
1a2 (C.S.)
BO 4100-4162, 4185-4246;
CO 4165-4184
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP40-2
  
2c1 (C.S.)
CO 4372-4421
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP9
  
2 CO 5920-6048
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD GP9
  
2 CO 6049-6208
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD SD40
  
1a3 (C.S.)
CO 7450-7469
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD SD40
  
1b2 (C.S.)
BO 7482-7494, CO 7475-7481
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD SD40
  
2b1 (C.S.)
BO 7497-7500, CO 7501-7506
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD SD40
  
2b2 (C.S.)
CO 7507-7526
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
EMD SD40
  
2c (C.S.)
CO 7527-7536
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE B30-7
  
1b CO 8235-8244
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE B30-7
  
1d CO 8245-8254
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE B30-7
  
2b CO 8255-8264
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE B30-7
  
2c CO 8265-8278
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE B30-7
  
3a CO 8279-8298
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE U30B
  
2f CO 8200-8222
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE U30B
  
2h2 CO 8225-8234
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GE U30C
  
2a CO 3304-3312
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)

See also: