The EMD GP7 is a four-axle (B-B) diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October...

However, lessons learned from the BL2 were incorporated into EMD's next design, the GP7. EMD's diesel program was well underway by the late 1940s thanks...

their aging fleet of EMD GP7, GP9 and GP18 road switchers (many of which were over twenty years old). 155 locomotives (122 GP7, 31 GP9 and two GP18)...

1970s and 1980s. The SD7 was conceived as a modification of the existing EMD GP7 with two additional powered axles, one for each truck. Providing two more...

EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as...

GP11 rebuilding program in 1978. All units were rebuilt from recycled EMD GP7, GP9 or GP18 parts. Spotting features are an angled cab, exterior paper...

were Illinois Central GP7, GP9, a GP8, C&O GP9, D&RGW GP9, DT&I GP7, N&W GP7, P&LE GP7, QNS&L GP7, RDG GP7, St.J&LC GP9, SLSF GP7, and SP GP9. The Paducah...

contention. In later years, with the advent of the "road switchers" such as the EMD GP7, F-units were primarily used in "through freight" and "unit train" service...

1950 it was clear that EMD's competitors could not crack their position in mainline road diesels and in 1949 their new EMD GP7 road switcher locomotive...

The EMD GP40 is a 4-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1965 and December 1971. It has an...