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Undecorated Drawings - MEC

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1:18 Drawings

Model Built Phase Numbers Notes Last modified
ALCO RS-11
  
1956-06 1a1 MEC 801; PTM 1082 PTM 1082 re# MEC 802
2023-11-20Revision history:

2019-01-09
- Shorter cab side window
- Added radiator fan clips

2019-01-11
- Replaced curved sanding line pipe at ends with hose
- Revised pipes on engineer's side behind fuel tank
- Added rooftop vent on conductor's side behind cab

2019-01-14
- Revised air cooling manifold piping (over intercooler intake)

2019-08-21
- Decreased height of cab sub-base doors
- Revised base of handrail stanchion near long hood end

2020-11-04
- Narrower cab side window

2021-08-01
- All long hood components moved rearward (radiator fan by 1.75", radiator intakes by 1", hood doors and center hood section by 0.75")
- Cab moved rearward by 0.5" and lengthened by 0.5"
- Battery box and short hood side doors/grabirons moved rearward by 0.25"
- Side handrail stanchion spacing
- Cab sub-base door and hinge spacing
- Footboards and pilot plate
- Corrected too-short latch on hood door under air intake/intercooler (left side only)

2021-12-30
- Hood roof panels, hinges and exhaust housing

2022-03-23
- Coupler cut lever and pilot end handrail

2023-11-20
- Added missing step behind cab (right side)
EMD GP38
  
1966-11 1a3 MEC 251-262
2022-03-02Revision history:

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
  
1967-12 2a1 MEC 263
2022-03-02Revision history:

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
GE U18B
  
1975-05 2h3 MEC 400-409
2022-02-10Revision history:

2020-02-11
- Corrected minor line glitch in front upper air intake (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

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

1:36 Drawings

Model Built Phase Numbers Notes
EMD GP38
  
1966-11 -
1966-12
1a3 MEC 251-262
EMD GP38
  
" " " as modified
EMD GP38
  
1967-10 2a2 MEC 263
EMD GP38
  
" " " as modified
GMD GP40-2(W)
  
MEC 509-519 ex-CN
GMD GP40-2L(W)
  
MEC 500-507 ex-CN
GMD GP40-2L(W)
  
MEC 508 ex-CN

1:55 Drawings

Model Phase Numbers Notes Accuracy
EMD GP38
  
1a3 MEC 251-262
* *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)
GE U18B
  
2h1 MEC 400-409 Blomberg trucks
* *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GMD GP40-2(W)
  
MEC 509-519 ex-CN
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GMD GP40-2L(W)
  
MEC 500-507 ex-CN
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)
GMD GP40-2L(W)
  
MEC 508 ex-CN
* * *Accuracy legend for 1:55 drawings:
* * * 2007-2008 drawings (mostly accurate)
* * 2005-2007 drawings (generally accurate)
* 2000-2004 drawings (not dimensionally accurate)

See also: