The EMD GP7 is a diesel-electric locomotive built by the Electro-Motive Division of General Motors from 1949 to 1954. It features a 1,500 horsepower engine and is designed for both freight and passenger service. The GP7 is known for its versatility and reliability, making it a popular choice among railroads in North America. With a length of 56 feet and a weight of approximately 130 tons, the GP7 can operate on various track conditions. It was one of the first locomotives to use the road-switcher design, allowing it to easily switch cars in yards and operate on mainline tracks.