The GP40 is a 4-axle diesel-electric road-switcher train built by General Motors between 1965 and 1971. This HO scale, die cast replica of the powerful New York Central GP40 locomotive features 8-wheel drive, an operating headlight, authentic markings, E-Z Mate couplers, and are DCC decoder ready. Performs best on 18" radius or greater. 8 ½" long.