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Locomotive-Specs
GMD GP40 – photo 1© trainspo.com
Diesel locomotive

GMD GP40

Built by EMD, GMD

Power output
2,200 kW
2,950 hp
Track gauge
1,435 mm
Standard gauge
Years built
1965–1971
1,221 units
Axle arrangement
Bo'Bo'

Overview of the GMD GP40

Discover the versatile EMD GP40 diesel locomotive, a powerhouse in railway operations.

This reliable locomotive, built between 1965 and 1971, is renowned for its robust performance and adaptability across numerous North American railroads.

With a powerful EMD 16-645E3 prime mover generating 2200 kW, the GP40 excels in both freight and passenger service, making it a cornerstone of rail transport for decades. Its standard gauge of 1435 mm and Bo'Bo' wheel arrangement contribute to its smooth and efficient operation on diverse track conditions.

Explore the extensive service history of the GP40, serving prominent companies like Burlington Northern, BNSF Railway, Conrail, and Union Pacific. Each career highlights the locomotive's enduring legacy and its significant role in the evolution of diesel-electric traction.

GMD GP40 technical specifications

Value
SeriesGP40
Built byEMD, GMD · 1965–19711,221 units
Power output2,200 kW2,950 hp
Prime moverEMD 16-645E3
Track gauge1,435 mmStandard gauge4 ft 8½ in
UIC axle arrangementBo'Bo'

Operators of the GMD GP40

Railway companies that have operated the GP40, with the class designation used by each of them.

OperatorClassCountry
Baltimore and Ohio RailroadB&O GP40United States
BNSF RailwayBNSF GP40MUnited States
Buffalo and Pittsburgh RailroadBPRR GP40United States
Burlington NorthernBN GP40United States
Burlington NorthernBN GP40MUnited States
Chicago and North Western Transportation CompanyCNW GP40United States
Chicago, Milwaukee, St. Paul and Pacific RailroadMILW GP40United States
Chicago, Missouri and Western RailwayCMNW GP40United States
Chicago, Rock Island and Pacific RailroadCRIP GP40United States
Conrail: Consolidated Rail CorporationCR GP40United States
Dakota, Minnesota and Eastern RailroadDME GP40United States
Denver & Rio Grande Western RailroadDRGW GP40United States
Gateway Western RailwayGWWR GP40United States
Herzog Contracting CorporationHZGX GP38M-3United States
Illinois Central GulfICG GP40United States
Illinois Central RailroadIC GP40United States
Illinois Central RailroadIC GP40United States
Illinois Central RailroadIC GP40RUnited States
Kansas City Southern RailwayKCS GP40United States
Missouri and Northern Arkansas RailroadMNA GP40United States
Missouri-Kansas-TexasMKT GP40United States
Norfolk and Western RailwayNW GP40United States
Palouse River & Coulee City RailroadPCC GP40United States
Pan Am RailwaysPAR GP40United States
Portland and Western RailroadPNWR GP40P-2United States
Richmond, Fredericksburg and Potomac RailroadRF&P GP40United States
San Joaquin Valley RailroadSJVR GP40United States
Seaboard Coast Line RailroadSCL GP40United States
Soo Line RailroadSOO GP40United States
Southwestern Portland Cement CompanySWPX GP40United States
Union Pacific RailroadUP GP40United States
Western Pacific RailroadWP GP40United States

GMD GP40 photos

Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.

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