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Undecorated Drawings - WM

Selected scales:


See the Locomotive Phases section for phase descriptions.

1:18 Drawings

Model Built Phase Numbers Notes Last modified
EMD GP40
  
1971-08 2c WM 3795-3799
2019-01-23Revision history:

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
EMD GP40-2
  
1977-02 2a1 (C.S.)
WM 4257-4261
2019-01-24Revision 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
EMD GP40-2
  
1978-11 -
1979-03
2a2 (C.S.)
BO 4322-4351;
WM 4312-4321
2019-01-24Revision 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

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
EMD GP40-2
  
1979-01 -
1979-03
2a2 (C.S.)
WM 4352-4371
2019-01-24Revision 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
- Revised exhaust stack

1:36 Drawings

Model Built Phase Numbers Notes
EMD GP40-2
  
1977-02 2a1 (C.S.)
WM 4257-4261
EMD GP40-2
  
1978-11 -
1979-03
2a2 (C.S.)
BO 4322-4351;
WM 4312-4321
EMD GP40-2
  
1979-01 -
1979-03
2a2 (C.S.)
WM 4352-4371

1:55 Drawings

Model Phase Numbers Notes Accuracy
EMD GP40-2
  
2a2 (C.S.)
BO 4322-4351;
WM 4312-4321
* *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 WM 7470-7474
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)