The EMD GP15-1 is a 4-axle diesel locomotive built by General Motors Electro-Motive Division between June, 1976 and March, 1982. Intended to provide an alternative to the rebuilding programs that many railroads were applying to their early road switchers, it is generally employed as a yard switcher or light road switcher. This locomotive is powered by a 12-cylinder EMD 645E engine, which generates 1,500 horsepower (1,119 kW). The GP15-1 uses a 50' 9" frame, has a wheelbase of 29' 9" and has a length over couplers of 54' 11" A total of 310 units were built for American railroads. A number of GP15-1's remain in service today.
