Undecorated Drawings - GMD SD40-2(W)

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1:18 Drawings

Model	Built	Phase	Numbers	Qty	Notes	Last modified
GMD SD40-2(W) ← →	1975-05 - 1975-07	1a1	CN 5241-5261	21	Builder's plate on all SD40-2(W) units: SD40-2	2023-01-09Revision history: 2016-02-08 - Revised rear headlight housing contour 2017-01-21 - Revised handbrake chain with pulley (left-side view) - Added ditch light brackets 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) - Corrected line glitch on rear of cab roof (left side) - Corrected lift ring glitch ahead of dynamic brake fans (right side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	"		"	"	As modified	2023-01-09Revision history: 2016-02-08 - Revised rear headlight housing contour 2017-01-21 - Revised handbrake chain with pulley (left-side view) 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	1975-07	1a1	CN 5262-5278	17		2023-01-09Revision history: 2016-02-08 - Revised rear headlight housing contour 2017-01-21 - Revised handbrake chain with pulley (left-side view) - Added ditch light brackets 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) - Corrected line glitch on rear of cab roof (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	"		"	"	As modified	2023-01-09Revision history: 2016-02-08 - Revised rear headlight housing contour 2017-01-21 - Revised handbrake chain with pulley (left-side view) 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	1976-01	1a2	CN 5279-5293	15		2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) - Corrected line glitch on rear of cab roof (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	"	"	"	"	As modified	2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	1978-07 - 1978-10	1a3	CN 5294-5313	20		2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) - Corrected line glitch on rear of cab roof (left side) - Corrected lift ring glitch ahead of dynamic brake fans (right side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	"	"	"	"	As modified	2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	1979-12	1b	CN 5314-5323	10		2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) - Corrected line glitch on rear of cab roof (left side) - Corrected lift ring glitch ahead of dynamic brake fans (right side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

GMD SD40-2(W) ← →	"	"	"	"	As modified	2023-01-09Revision history: 2019-01-28 - 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 on cab sub-base door and first engine room door 2020-12-18 - 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) - Adjusted height of center hinge of engine room doors - Added missing line segment in traction motor cables above fuel filler (left side) 2021-01-09 - Fuel tank height and gap from underframe 2022-03-19 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points 2023-01-09 - Long hood end seams

1:36 Drawings

Model	Built	Phase	Numbers	Notes
GMD SD40-2(W) ← →	1975-05 - 1975-07	1a1	CN 5241-5261	Builder's plate on all SD40-2(W) units: SD40-2

GMD SD40-2(W) ← →	1975-07	1a1	CN 5262-5278

GMD SD40-2(W) ← →	"	"	"	As modified

GMD SD40-2(W) ← →	1976-01	1a2	CN 5279-5293

GMD SD40-2(W) ← →	"	"	"	As modified

GMD SD40-2(W) ← →	1978-07 - 1978-10	1a3	CN 5294-5313

GMD SD40-2(W) ← →	"	"	"	As modified

GMD SD40-2(W) ← →	1979-12	1b	CN 5314-5323

GMD SD40-2(W) ← →	"	"	"	As modified

GMD SD40-2(W) ← →	1980-04 - 1980-05	1b	CN 5324-5353

GMD SD40-2(W) ← →	"	"	"	As modified

GMD SD40-2(W) ← →	"	"	"	As modified

1:55 Drawings

Model	Phase	Numbers	Notes	Accuracy
GMD SD40-2(W) ← →	1a1	CN 5241-5261	Builder's plate on all SD40-2(W) units: SD40-2	* * 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(W) ← →	"	"	As modified	* * 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(W) ← →	1a2	CN 5279-5293		* * 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(W) ← →	"	"	As modified	* * 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(W) ← →	1a3	CN 5294-5313		* * 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(W) ← →	"	"	As modified	* * 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(W) ← →	1b	CN 5314-5323		* * 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(W) ← →	"	"	As modified	* * 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(W) ← →	1b	CN 5324-5353		* * 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(W) ← →	"	"	As modified	* * 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(W) ← →	2	CN 5354-5363		* * 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(W) ← →	"	"	As modified	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)