Undecorated Drawings - EMD GP50

Selected scales:

1:18 Drawings

Model	Built	Phase	Numbers	Qty	Notes	Last modified
EMD GP50 ← →	1981-02 - 1981-03	1a2	ATSF 3810-3823	14	Locotrol-equipped	2022-11-30Revision history: 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Horn manifold and back cap dimensions

EMD GP50 ← →	1981-03 - 1981-04	1a2	ATSF 3824-3839	16		2022-11-30Revision history: 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Horn manifold and back cap dimensions

EMD GP50 ← →	1985-04	2b	ATSF 3840-3854	15		2022-11-30Revision history: 2020-12-11 - 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 - Moved 3rd stanchion from rear farther rearward - Corrected missing section from rear truck (left side) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points

EMD GP50 ← →	1980-12	1a2	BN 3100-3109	10	Ordered as SLSF 790-799	2022-11-30Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-08-19 - Air reservoir piping (left side) 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Horn manifold and back cap dimensions

EMD GP50 ← →	1985-06 - 1985-11	2b	BN 3110-3157	48	Equipped for fuel tender	2022-11-30Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-08-19 - Air reservoir piping (left side) 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end, modified stanchion/chain support) 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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 - Moved 3rd stanchion from rear farther rearward 2021-01-11 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Changed horn from Leslie S-3K to Prime PM-990

EMD GP50 ← →	1985-11	2b	BN 3158-3162	5	Extended cab; equipped for fuel tender	2024-01-29Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-08-19 - Air reservoir piping (left side) 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end, modified stanchion/chain support) 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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 - Moved 3rd stanchion from rear farther rearward 2021-01-11 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Changed horn from Leslie S-3K to Prime PM-990

EMD GP50 ← →	1980-05 - 1980-09	1a1	CNW 5050-5099	50		2022-11-30Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-08-19 - Air reservoir piping (left side) 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Horn manifold and back cap dimensions

EMD GP50 ← →	1980-11 - 1981-01	1a2	MP 3500-3529	30		2022-11-30Revision history: 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-08-19 - Air reservoir piping (left side) 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Horn manifold and back cap dimensions

EMD GP50 ← →	1980-08 - 1980-09	1a1	SOU 7003-7007, 7017-7035	5 + 19		2022-12-27Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2016-04-07 - Added conductor's side short hood hatch - Added short hood flag brackets - Removed engineer's side fuel gauge (Phase 1a2 version) and short hood light - Revised end handrails 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-12-21 - End handrail height 2022-12-27 - Fuel tank details - Added roof vent ahead of cab

EMD GP50 ← →	1980-09 - 1980-12	1a2	SOU 7008-7016, 7036-7072	9 + 37		2022-12-27Revision history: 2013-01-25 - Central air intake, dynamic brake housing (right side) 2013-03-05 - Corner handrails, pilot braces, rear end plate - Traction motor cables 2014-02-17 - Truck shape and casting logo 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2016-04-07 - Added conductor's side short hood hatch - Added short hood flag brackets - Removed engineer's side fuel gauge (Phase 1a2 version) and short hood light - Revised end handrails 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-12-21 - End handrail height 2022-12-27 - Fuel tank details - Added roof vent ahead of cab

EMD GP50 ← →	1981-04 - 1981-06	1a2	SOU 7073-7092	20		2022-12-27Revision history: 2019-08-06 - Revised center hood door spacing - Revised hood behind cab - Blower duct widened by 1" (Phase 1 versions) - Increased height of walkway blower duct and bottom of hood doors - Corrected minor line glitch on latches on first engine room door 2020-12-11 - 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) 2021-01-11 - Fuel tank height and gap from underframe 2022-11-30 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-12-21 - End handrail height 2022-12-27 - Fuel tank details - Added roof vent ahead of cab

1:55 Drawings

Model	Phase	Numbers	Notes	Accuracy
EMD GP50 ← →	1a2	ATSF 3810-3839		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	2b	ATSF 3840-3854		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	1a2	BN 3100-3109	Ordered as SLSF 790-799	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	2b	BN 3110-3157		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	2b	BN 3158-3162	Extended cab	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	1a1	CNW 5050-5099		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	1a2	MP 3500-3529		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP50 ← →	1a2	SOU 7008-7016, 7036-7092		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)