An EMD GP15T is a 4-axle diesel locomotive built by General Motors Electro-Motive Division between October 1982 and April 1983. It was a very close cousin to the GP15-1, but used a turbocharger in order to generate more power from a smaller engine. Power was provided by an 8-cylinder diesel engine that generated 1,500 hp (1.1 MW), the same as the GP15-1, but with four fewer cylinders. These locomotives also differed from GP15-1s because of their dynamic braking. 28 examples of this locomotive model were built for American railroads (Chessie System getting the majority of them as C&O 1500-1524 (25 units)).