The EMD SW1500 is a 1,500 hp (1,119 kW) Diesel-electric locomotive intended for switching service and built by General Motors’ Electro-Motive Division from 1966 to 1974. The SW1500 replaced the SW1200 in the EMD product line. Many railroads regularly used SW1500s for road freight service.
The EMD GP38 is a 4-axle road switcher diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and December 1971. The locomotive’s prime mover was an EMD 645 16-cylinder engine that generated 2,000 horsepower