Undecorated Drawings - GMD SD40-2

Selected scales:

1:18 Drawings

Model	Built	Phase	Numbers	Qty	Notes	Last modified
GMD SD40-2 ← →	1973-08 - 1973-10	1b	AC 183-188	6		2025-04-07

GMD SD40-2 ← →	1980-09	3a	BCOL 751-762	12		2025-03-15

GMD SD40-2 ← →	1985-07	3d	BCOL 763-767	5		2025-03-15

GMD SD40-2 ← →	1972-02 - 1972-07	1a1	CP 5565-5628	64		2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe and traction motor cable clamp - Added missing section of MU piping behind rear steps

GMD SD40-2 ← →	1972	1a2	CP 5629-5658	30	Built by EMD to GMD/CP specs	2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe and traction motor cable clamp - Added missing section of MU piping behind rear steps

GMD SD40-2 ← →	1973-04 - 1973-06	1b	CP 5659-5674	16		2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe and traction motor cable clamp - Added missing section of MU piping behind rear steps

GMD SD40-2 ← →	1974-01 - 1974-03	1b	CP 5806-5835	30	Locotrol masters	2025-03-10

GMD SD40-2 ← →	1974-11 - 1974-12	1b	CP 5800-5805, 5836	7	Locotrol masters	2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket - Removed air dryer on engineer's side 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1974-12 - 1975-02	1b	CP 5675-5717	43	5702-5715 Locotrol remotes others lack cab antenna	2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket - Removed air dryer on engineer's side 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1975-09 - 1976-02	1b	CP 5718-5777	60	5758-5772 Locotrol remotes others lack cab antenna	2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket - Removed air dryer on engineer's side 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1977-10 - 1979-01	2a	CP 5778-5799, 5837-5864, 5900-5912	63	5837-5869 Locotrol remotes others lack cab antenna	2025-03-15Revision history: 2016-12-14 - Removed plate between bell bracket - Removed air dryer on engineer's side - Revised center axle shock strut - Shorter corner handrails - Added fuel gauge on front of fuel tank 2017-01-21 - Removed casting hole from jacking pads 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1979-01	2a	CP 5913-5914	2		2025-03-15Revision history: 2016-12-14 - Removed plate between bell bracket - Removed air dryer on engineer's side - Revised center axle shock strut - Shorter corner handrails - Added fuel gauge on front of fuel tank 2017-01-21 - Removed casting hole from jacking pads 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1979-10 - 1979-11	2b	CP 5915-5949	35		2025-03-15Revision history: 2017-01-21 - Removed casting hole from jacking pads 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Sand hose routing

GMD SD40-2 ← →	1980-10 - 1981-03	3a	CP 5560:2, 5950-6024	76		2025-03-15Revision history: 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added snow plow connector above MU connector - Stairwell side sheets - Speed recorder cable - Sand hose routing - Added ditch lights - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Added missing front left traction motor cables - Removed redundant front right traction motor cables

GMD SD40-2 ← →	1982-12 - 1983-02	3b	CP 6025-6037	13		2025-03-15Revision history: 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2022-01-05 - Corrected line glitch on winterization hatch 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams - Flag holders and lift rings under radiator intakes 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added snow plow connector above MU connector - Stairwell side sheets - Speed recorder cable - Sand hose routing - Left rear handrail stanchion spacing - Added ditch lights - Added missing front right fuel level indicator - Added missing section of front right air pipe - Added missing section of MU piping behind rear steps - Removed redundant front right traction motor cables

GMD SD40-2 ← →	1983-02 - 1983-09	3c	CP 5584:2, 5693:2, 6038-6054	19		2025-03-15

GMD SD40-2 ← →	1984-10 - 1985-01	3d	CP 5583:2, 5865-5879, 6055-6069	31		2025-03-15

GMD SD40-2 ← →	1973-03 - 1974-01	1b	ONT 1730-1737	8		2025-03-10Revision history: 2016-12-14 - Removed plate between bell bracket 2019-08-12 - 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 - Corrected minor line glitch on latches first engine room door 2020-12-19 - Revised side handrail stanchions - Increased handrail thickness - Corrected rear corner handrail length (right side) - 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) - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams 2025-03-07 - Added traction motor cable conduits above middle axles (where cables present) - Front left traction motor cable routing - Added missing section of front right air pipe and traction motor cable clamp - Added missing section of MU piping behind rear steps

1:55 Drawings

Model	Phase	Numbers	Accuracy
GMD SD40-2 ← →	1b	AC 183-188	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	3a	BCOL 751-762	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	3d	BCOL 763-767	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	1b	CP 5659-5674	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	1b	CP 5675-5777, 5800-5805, 5836	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	2a	CP 5778-5799, 5837-5864, 5900-5912	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	2b	CP 5915-5949	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	3a	CP 5560:2, 5950-6024	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	3b	CP 6025-6037	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	3c	CP 5584:2, 5693:2, 6038-6054	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GMD SD40-2 ← →	1b	ONT 1730-1737	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)