Undecorated Drawings - BN

Selected scales:

1:18 Drawings

Model	Built	Phase	Numbers	Qty	Notes	Last modified
EMD GP38 ← →	1970-02	2b	BN 2072-2077	6		2022-01-28Revision history: 2018-12-01 - Corrected minor line glitch on latches on first engine room door - Revised step/corner handrail height 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 - Revised paper air filter housing and dynamic brake taper 2019-01-23 - Revised handrail stanchion spacing - Fuel tank and air reservoirs moved 1" to 1.5" rearward - Corrected pipe overlapping bell 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

EMD GP38-2 ← →	1972-05	1a	BN 2078-2087	10		2023-01-09Revision history: 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2017-09-27 - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 paper air filter housing and dynamic brake taper - 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 2020-12-08 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2022-02-07 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-03-03 - Horn manifold and back cap dimensions 2023-01-09 - Long hood end seams

EMD GP38-2 ← →	1974-11	1b2	BN 2088-2109	22		2023-01-09Revision history: 2014-10-23 - Radiator and dynamic brake fans (bottom rim edge and upper rim clips) 2015-03-29 - Inertial air intakes (revised upper/lower ridge detail) 2017-09-27 - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 paper air filter housing and dynamic brake taper - Revised 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 2020-12-08 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-02-07 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-03-03 - Horn manifold and back cap dimensions 2023-01-09 - Long hood end seams

EMD GP38-2 ← →	1980-06	2c	BN (FWD) 2150-2154	5		2023-01-09Revision history: 2020-12-08 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-02-08 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-03-03 - Horn manifold and back cap dimensions 2023-01-09 - Long hood end seams

EMD GP39-2 ← →	1981-03 - 1981-04	2c	BN 2700-2739	40	Single fuel filler	2023-01-09Revision history: 2020-12-16 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-02-08 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-03-02 - Horn manifold and back cap dimensions 2023-01-09 - Long hood end seams

EMD GP39-2 ← →	"	"	"	"	Dual fuel filler	2023-01-09Revision history: 2020-12-16 - 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) 2021-01-09 - Fuel tank height and gap from underframe 2021-03-08 - Front classification and platform lights 2022-02-08 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct 2022-03-02 - Horn manifold and back cap dimensions 2023-01-09 - Long hood end seams

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 SD40 ← →	1971-10 - 1971-11	2c	BN 6300-6324	25		2022-03-29Revision history: 2017-03-19 - Added cab door stops 2017-10-08 - Corrected minor line glitch on latches on first engine room door - Revised bottom flange of dynamic brake fans - Removed extra bolt on exhaust stack housing 2018-02-25 - Removed ballast plate above fuel tank 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 - Relocated dynamic brakes - Revised exhaust stack 2019-08-10 - Added missing grabiron ahead of right-side battery box 2020-11-05 - Corrected line glitch in fuel filler (left side) 2020-12-21 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator and dynamic brake fan dimensions and spacing - Fuel tank vent pipe (increased diameter, revised fittings) 2021-01-10 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Horn manifold and back cap dimensions

EMD SD40-2 ← →	1972-01 - 1972-03	1a1	BN 6325-6339; CS 900-917	15 + 18	BN 6335-6339 re# 6912-6916; CS 900-917 re# 6348:2-6365:2	2023-01-09Revision history: 2016-04-14 - Revised steps - Added round front platform lights 2019-01-22 - 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 - Corrected minor line glitch on latches on first engine room door - Revised exhaust stack 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1973-03 - 1973-12	1a2	BN 6340-6375, 6824-6836, 6917-6928	36 + 13 + 12	Locotrol-equipped BN 6340-6363 re# 6800-6823 BN 6364-6375 re# 6900-6911	2023-01-09Revision history: 2016-04-14 - Revised steps - Added round front platform lights 2019-01-22 - 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 - Corrected minor line glitch on latches on first engine room door - Revised exhaust stack 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1974-02 - 1974-05	1a2	BN 6376-6385; CS 918-925, 980, 996	10 + 8 + 2	CS 918-925 re# 6366:2-6373:2 CS 980, 996 re# 6850, 6950	2023-01-09Revision history: 2016-04-14 - Revised steps - Added round front platform lights 2019-01-22 - 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 - Corrected minor line glitch on latches on first engine room door - Revised exhaust stack 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1974-11 - 1974-12	1a2	BN 6700-6707; CS 950-959	8 + 10	CS 950-959 re# 7820-7829	2023-01-09Revision history: 2016-04-14 - Revised steps - Added round front platform lights 2019-01-22 - 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 - Corrected minor line glitch on latches on first engine room door - Revised exhaust stack 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1976-02 - 1976-03	1c1	BN 6708-6752	45		2023-01-09Revision history: 2016-04-14 - Revised steps - Revised jacking pads (no casting hole) - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1976-02 - 1976-03	2a1	BN 6753-6772	20		2023-01-09Revision history: 2016-04-14 - Revised steps - Revised jacking pads (no casting hole) - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1977-05 - 1977-06	2a2	BN 6773-6780, 8000-8009; CS 930-949, 960, 961	8 + 10 + 20 + 2	CS 930-949 re# 7800-7819 CS 960, 961 re# 7830, 7831	2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Revised jacking pads (no casting hole) - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1977-11 - 1977-12	2a2	BN 6781-6799, 7000-7028	19 + 29		2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Revised jacking pads (no casting hole) - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1978-02 - 1978-04	2a3	BN 7029-7053, 8010-8029	25 + 20		2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1978-06 - 1979-03	2a4	BN 7054-7160; CS 7832-7877	107 + 46		2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1979-04 - 1979-07	2b1	BN 7161-7166, 8030; CS 7878-7919	6 + 1 + 42		2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1979-06 - 1979-12	2b2	BN 7167-7205, 8031-8089; CS 7920-7923	39 + 59 + 4	BN 7167-7205, 8074-8089 built by GMD (GMD version illustrated)	2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD40-2 ← →	1980-01 - 1980-07	2c	BN 7206-7291, 8090-8181; CS 7924-7940	86 + 92 + 17	BN 7206-7235 built by GMD (EMD version illustrated)	2023-01-09Revision history: 2015-08-25 - Revised end handrails above anticlimber (center stanchions moved in from the end) 2016-04-14 - Revised steps - redrawn steps with deeper angled sheet - Added round front platform lights 2017-09-26 - Revised position of lift ring and flag holder at rear of long hood - Corrected minor line glitch on latches on first engine room door 2019-01-22 - 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 2020-12-17 - 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 2022-03-18 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Revised ribs on blower duct - Changed horn from Leslie S-3K to Prime PM-990 2023-01-09 - Long hood end seams

EMD SD45 ← →	1970-06 - 1970-09	2b2	BN 6472-6497	26		2022-03-29Revision history: 2017-10-08 - Corrected minor line glitch on latches on first engine room door - Revised bottom flange of dynamic brake and radiator fans 2017-11-11 - Revised central hood door spacing 2019-01-17 - Relocated front hood seam resulting in revised hood proportions - Front section of hood lengthened and blower duct widened by 1" - Middle section of hood moved rearward by 1" - Rear section of hood shortened by 1" - Increased height of walkway blower duct and bottom of hood doors 2019-01-28 - Shifted rear 4 engine compartment doors, rear hood doors, radiators and dynamic brakes 0.5" forward 2019-08-10 - Added missing grabiron ahead of right-side battery box 2020-11-07 - Corrected sand line glitch near steps (right side) 2020-12-21 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator and dynamic brake fan dimensions and spacing - Fuel tank vent pipe (increased diameter, revised fittings) 2021-01-10 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Horn manifold and back cap dimensions

EMD SD45 ← →	1971-05 - 1971-08	2c	BN 6498-6542	45		2022-03-29Revision history: 2017-10-08 - Corrected minor line glitch on latches on first engine room door - Revised bottom flange of dynamic brake and radiator fans 2017-11-11 - Revised central hood door spacing 2019-01-17 - Relocated front hood seam resulting in revised hood proportions - Front section of hood lengthened and blower duct widened by 1" - Middle section of hood moved rearward by 1" - Rear section of hood shortened by 1" - Increased height of walkway blower duct and bottom of hood doors 2019-01-28 - Shifted rear 4 engine compartment doors, rear hood doors, radiators and dynamic brakes 0.5" forward 2019-08-10 - Added missing grabiron ahead of right-side battery box 2020-11-07 - Corrected sand line glitch near steps (right side) 2020-12-21 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator and dynamic brake fan dimensions and spacing - Fuel tank vent pipe (increased diameter, revised fittings) 2021-01-10 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Horn manifold and back cap dimensions

EMD SD45 ← →	1971-10 - 1971-12	2c, 3	BN 6543-6567, CS 868-874	25 + 7	BN units Phase 3; CS units Phase 2c CS 868-874 to BN 6570-6576	2022-03-29Revision history: 2017-10-08 - Corrected minor line glitch on latches on first engine room door - Revised bottom flange of dynamic brake and radiator fans 2017-11-11 - Revised central hood door spacing 2019-01-17 - Relocated front hood seam resulting in revised hood proportions - Front section of hood lengthened and blower duct widened by 1" - Middle section of hood moved rearward by 1" - Rear section of hood shortened by 1" - Increased height of walkway blower duct and bottom of hood doors 2019-01-28 - Shifted rear 4 engine compartment doors, rear hood doors, radiators and dynamic brakes 0.5" forward 2019-08-10 - Added missing grabiron ahead of right-side battery box 2020-11-07 - Corrected sand line glitch near steps (right side) 2020-12-21 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator and dynamic brake fan dimensions and spacing - Fuel tank vent pipe (increased diameter, revised fittings) 2021-01-10 - Fuel tank height and gap from underframe 2022-03-29 - Coupler cut lever and pilot details - Corner handrail end plate / stairwell attachment points - Horn manifold and back cap dimensions

EMD SD60M ← →	1989-12 - 1990-03	1c	BN 9200-9249	50	Equipped for fuel tender	2023-01-19Revision history: 2020-01-05 - Revised center hood door spacing - Increased height of walkway blower duct and bottom of hood doors 2020-11-28 - Revised cab / short hood proportions (moved front edge forward by 0.75"; increased total cab length by 1.5") - Shifted first engine room door, inertial air intake, dynamic brakes and blower duct rearward by 0.25" to 0.5" 2020-12-03 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator fan dimensions and spacing 2020-12-05 - Increased fuel tank vent pipe diameter - Sand lines (larger pipe diameter, revised hoses) 2021-01-10 - Fuel tank length, height and gap from underframe 2022-12-12 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-19 - Hood door and radiator intake height - Reversed orientation of radiator intakes (left side)

EMD SD60M ← →	"	"	"	"	As modified; strobe lights later replaced with ditch lights	2023-01-19Revision history: 2020-01-05 - Revised center hood door spacing - Increased height of walkway blower duct and bottom of hood doors 2020-11-28 - Revised cab / short hood proportions (moved front edge forward by 0.75"; increased total cab length by 1.5") - Shifted first engine room door, inertial air intake, dynamic brakes and blower duct rearward by 0.25" to 0.5" 2020-12-03 - Revised side handrail stanchions - Increased handrail thickness - Revised radiator fan dimensions and spacing 2020-12-05 - Increased fuel tank vent pipe diameter - Sand lines (larger pipe diameter, revised hoses) 2021-01-10 - Fuel tank length, height and gap from underframe 2022-12-12 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-19 - Hood door and radiator intake height - Reversed orientation of radiator intakes (left side)

EMD SD60M ← →	1991-01 - 1991-03	2a	BN 1991, 9250-9298	50		2023-01-19Revision history: 2020-01-05 - Revised center hood door spacing - Increased height of walkway blower duct and bottom of hood doors 2020-11-28 - Revised cab / short hood proportions (moved front edge forward by 0.75"; increased total cab length by 1.5") - Shifted first engine room door, inertial air intake, dynamic brakes and blower duct rearward by 0.25" to 0.5" 2020-12-03 - Revised side handrail stanchions - Increased handrail thickness - Revised anticlimber supports - Revised radiator fan dimensions and spacing 2020-12-05 - Increased fuel tank vent pipe diameter - Sand lines (larger pipe diameter, revised hoses) 2021-01-10 - Fuel tank length, height and gap from underframe 2022-12-12 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-19 - Hood door and radiator intake height - Reversed orientation of radiator intakes (left side)

EMD SD70MAC ← →	1993-11 - 1994-08	1a	BN 9400-9474	75		2023-01-20Revision history: 2021-01-11 - Fuel tank height and gap from underframe 2021-01-22 - Added rear numberboards - Added circular hatches on long hood top end 2021-02-26 - Cab door (4 hinges instead of 3) (left side) 2021-01-18 - Added missing portion of brake levers near brake cylinders 2022-03-30 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-20 - Hood door and radiator intake height - Inverter cabinet dimensions - MU sockets on pilot

EMD SD70MAC ← →	1994-08 - 1995-01	1b	BN 9475-9499, 9504-9511, 9542-9571	63		2023-01-20Revision history: 2021-01-11 - Fuel tank height and gap from underframe 2021-02-26 - Cab door (4 hinges instead of 3) (left side) 2022-01-18 - Access panels on bottom corners of nose - Added missing portion of brake levers near brake cylinders 2022-03-30 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-20 - Hood door and radiator intake height - Inverter cabinet dimensions - MU sockets on pilot

EMD SD70MAC ← →	1995-01 - 1995-03	1c1	BN 9512-9541	30		2023-01-20Revision history: 2021-01-11 - Fuel tank height and gap from underframe 2021-02-26 - Cab door (4 hinges instead of 3) (left side) 2022-01-18 - Access panels on bottom corners of nose - Added missing portion of brake levers near brake cylinders 2022-03-30 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-20 - Hood door and radiator intake height - Inverter cabinet dimensions - MU sockets on pilot

EMD SD70MAC ← →	1995-03 - 1995-07	1c2	BN 9572-9716	145		2023-01-20Revision history: 2021-01-11 - Fuel tank height and gap from underframe 2021-02-26 - Cab door (increased height and angled top corner) (right side) 2022-01-18 - Access panels on bottom corners of nose - Added missing portion of brake levers near brake cylinders 2022-03-30 - Coupler cut levers - Corner handrail end plate attachment points 2023-01-20 - Hood door and radiator intake height - Inverter cabinet dimensions - MU sockets on pilot

GE B30-7A ← →	1982-06 - 1982-09	3c	BN 4000-4052	53	Cabless; unofficially referred to as B30-7AB	2023-11-11Revision history: 2022-08-02 - Coupler cut lever and pilot details - Corner handrail and step bolts 2023-11-11 - Increased underframe height

GE B30-7A ← →	1983-06 - 1983-10	3d	BN 4053-4119	67	"	2023-11-11Revision history: 2022-08-02 - Coupler cut lever and pilot details - Corner handrail and step bolts 2023-11-11 - Increased underframe height

GE B32-8 ← →	1984-01		BN 5497-5499	3		2022-11-14Revision history: 2021-01-05 - Increased corner handrail thickness 2021-01-28 - Revised air reservoir height and brackets - Revised dynamic brakes 2022-11-14 - Coupler cut lever and pilot details - Corner handrail and step bolts - Horn manifold and back cap dimensions

GE C30-7 ← →	1976-09 - 1977-12	1a	BN 5500-5544		Adirondack trucks A small minority had Rockwell trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	1978-09 - 1979-02	1b	BN 5545-5581		Adirondack trucks 5567-5581 had lower fuel cutoff switch (as on later units)	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	"	"	"		Rockwell trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	1979-06 - 1979-11	1c	BN 5000-5046, 5582-5599		Adirondack trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	"	"	"		Rockwell trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	1980-02 - 1980-07	2a	BN 5047-5126		Adirondack trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Rear headlight and numberboards - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing rear class lights (left side) - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	"	"	"		Rockwell trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Rear headlight and numberboards - Fuel filler - Longer handrail stanchion in front of cab (right side) 2021-02-15 - Added missing rear class lights (left side) - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	1981-03 - 1981-06	2c	BN 5127-5141		Adirondack trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Rear headlight and numberboards - Fuel filler - Changed bolted strip / front hood doors to later-phase version - Longer handrail stanchion in front of cab (right side) - Revised seams under door behind cab 2021-02-15 - Added missing rear class lights (left side) - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE C30-7 ← →	"	"	"		Rockwell trucks	2022-08-03Revision history: 2021-01-04 - Increased corner handrail thickness 2021-02-12 - Added safety valve to front air reservoir (left side) - Added notch and square hole at top of bolted strip behind front air intake (right side) - Rear headlight and numberboards - Fuel filler - Changed bolted strip / front hood doors to later-phase version - Longer handrail stanchion in front of cab (right side) - Revised seams under door behind cab 2021-02-15 - Added missing rear class lights (left side) - Added missing section of pipe for handbrake chain (right side) 2022-08-03 - Coupler cut lever and pilot details - Corner handrail and step bolts - Horn manifold and back cap dimensions - Changed horn from Leslie S-3K to Prime PM-990

GE U30C ← →	1972-01 - 1972-12	2f	BN 5306-5352	47		2022-03-21Revision history: 2020-01-25 - Revised hood doors behind cab (left side) - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← →	1972-01 - 1972-12	2f	BN 5300:1-5305:1, 5353:1-5364:1	18	Locotrol-equipped re# 5800-5805, 5900-5911	2022-03-21Revision history: 2020-01-25 - Revised hood doors behind cab (left side) - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler - Added second air filter behind fuel tank (right side) 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← →	1973-07	2g1	BN 5806-5813, 5912-5918	15	Locotrol-equipped	2022-03-21Revision history: 2020-01-25 - Revised hood doors behind cab (left side) - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler - Added second air filter behind fuel tank (right side) 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← → →	1973-11 - 1973-12	2g1	BN 5814-5823, 5919-5928	20	Locotrol-equipped	2022-03-21Revision history: 2020-01-25 - Revised hood doors behind cab (left side) - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← → →	1974-04 - 1974-05	2g3	BN 5824-5833, 5929-5938	20	Locotrol-equipped	2022-03-21Revision history: 2020-01-25 - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← →	1974-11	2g3	BN 5365-5394	30	→2,000th 1:18 drawing	2022-03-21Revision history: 2020-01-25 - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← →	1975-05	2h2	BN 5300:2-5305:2, 5353:2-5364:2	18		2022-03-21Revision history: 2020-01-25 - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U30C ← → →	1975-06	2h2	BN 5834-5839, 5939-5944	12	Locotrol-equipped	2022-03-21Revision history: 2020-01-25 - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

GE U33C ← ← →	1971-02 - 1971-09	2f	BN 5725-5728, 5729-5763	39		2022-03-21Revision history: 2020-01-25 - Revised hood doors behind cab (left side) - Corrected line glitch on brake chain pipe (right side) 2020-12-31 - Increased corner handrail thickness 2021-02-04 - Fuel filler 2021-02-13 - Longer handrail stanchion in front of cab (right side) 2022-03-21 - Coupler cut lever and pilot details - Corner handrail and step bolts - Cab window gaskets - Horn manifold and back cap dimensions

1:36 Drawings

Model	Built	Phase	Numbers	Notes
EMD GP38-2 ← →	1980-06	2c	BN (FWD) 2150-2154

EMD GP39-2 ← →	1981-03 - 1981-04	2c	BN 2700-2739	Single fuel filler

EMD GP39-2 ← →	"	"	"	Dual fuel filler

EMD SD40-2 ← →	1972-01 - 1972-03	1a1	BN 6325-6339; CS 900-917

EMD SD40-2 ← →	1974-02 - 1974-05	1a2	BN 6376-6385; CS 918-925, 980, 996

EMD SD40-2 ← →	1974-11 - 1974-12	1a2	BN 6700-6707; CS 950-959

EMD SD40-2 ← →	1976-02 - 1976-03	1c1	BN 6708-6752

EMD SD40-2 ← →	1976-11 - 1976-12	2a1	BN 6753-6772

EMD SD40-2 ← →	1977-11 - 1977-12	2a2	BN 6781-6799, 7000-7028

GE B30-7A ← →	1982-06 - 1982-09		BN 4000-4052	Unofficially referred to as B30-7AB

GE C30-7 ← →	1976-09 - 1979-11	1	BN 5000-5046, 5500-5599	Adirondack trucks

GE C30-7 ← →	"	"	"	Rockwell trucks

GE C30-7 ← →	1980-02 - 1980-07	2a	BN 5047-5126	Adirondack trucks

GE C30-7 ← →	"	"	"	Rockwell trucks

GE C30-7 ← →	1981-03 - 1981-06	2c	BN 5127-5141	Adirondack trucks

GE C30-7 ← →	"	"	"	Rockwell trucks

GE U30C ← →	1972-01 - 1972-12	2f	BN 5306-5352

GE U30C ← →	1972-01 - 1972-12	2f	BN 5300:1-5305:1, 5353:1-5364:1	Locotrol-equipped re# 5800-5805, 5900-5911

GE U30C ← → →	1973-11 - 1974-05	2g1, 2g3	BN 5814-5823, 5919-5928; 5824-5833, 5929-5938	Adirondack trucks Locotrol-equipped

GE U30C ← → →	"	"	"	Rockwell trucks Locotrol-equipped

GE U30C ← →	1974-08 - 1974-11	2g3	BN 5365-5394

GE U30C ← →	1975-05	2h2	BN 5300:2-5305:2, 5353:2-5364:2	Adirondack trucks

GE U30C ← →	"	"	"	Rockwell trucks

GE U30C ← →	1975-06	2h2	BN 5834-5839, 5939-5944	Locotrol-equipped

1:55 Drawings

Model	Phase	Numbers	Notes	Accuracy
EMD GP38-2 ← →	1a	BN 2078-2087		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP38-2 ← →	1b	BN 2088-2109		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP38-2 ← →	2c	BN (FWD) 2150-2154		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD GP39-2 ← →			BN version	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 SD40 ← →	2c	BN 6300-6324		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	1a1	BN 6325-6339; CS 900-917		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	1a2	BN 6376-6385; CS 918-925, 980, 996		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	1c1	BN 6708-6752		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	2a1	BN 6753-6772		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	2a2	BN 6773-6780, 8000-8009; CS 930-949, 960, 961		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	2a2	BN 6781-6799, 7000-7028		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← ← →	2a3, 2a4	BN 7029-7160, 8010-8029; CS 7832-7877		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	2b1, 2b2	BN 7161-7205, 8030-8089; CS 7878-7923		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD40-2 ← →	2c	BN 7206-7291, 8090-8181; CS 7924-7940		* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD60M ← →	1c	BN 9200-9249		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD60M ← →	2a	BN 1991, 9250-9298		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD70MAC ← →	1a	BN 9400-9474		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD70MAC ← →	1b	BN 9475-9499, 9504-9571		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SD70MAC ← ← →	1c, 1d	BN 9572-9716; BNSF 9717-9775		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

EMD SDP40 ←		BN version		Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE B32-8 ← →		BN 5497-5499		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	1	BN 5500-5599, 5000-5046	Adirondack FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	"	"	Rockwell FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	2a	BN 5047-5126	Adirondack FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	"	"	Rockwell FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	2c	BN 5127-5141	Adirondack FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE C30-7 ← →	"	"	Rockwell FB-3 trucks	* * Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2f	BN 5306-5352		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2f	BN 5300:1-5305:1, 5353:1-5364:1	Locotrol equipped re# 5800-5805, 5900-5911	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2g1	BN 5806-5813, 5912-5918	Locotrol equipped	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2g1, 2g3	BN 5814-5833, 5919-5938	Locotrol equipped	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2g3	BN 5365-5394		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2h2	BN 5300:2-5305:2, 5353:2-5364:2		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U30C ← →	2h2	BN 5834-5839, 5939-5944	Locotrol equipped	* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)

GE U33C ← →	2f	BN 5725-5763		* Accuracy legend for 1:55 drawings: * * 2007-2008 drawings (mostly accurate) * * 2005-2007 drawings (generally accurate) * 2000-2004 drawings (not dimensionally accurate)