What is gmd sd40-2f?

The GMD SD40-2F is a locomotive model produced by General Motors Diesel (GMD) and designed for use in freight trains. The "F" designation indicates that it is a Canadian version of the SD40-2 model, with modifications to meet Canadian regulations. It features a 16-cylinder diesel engine, producing 3,000 horsepower, and has a maximum speed of 65 miles per hour. The SD40-2F is known for its reliability and durability, and has been used extensively in Canada and the United States since its introduction in the 1970s.