Bowser HO Scale ready-to-run GMD SD40-2W diesels are based on the SD40-2 diesels built for Canadian National during the 1970s which incorporate the North American Safety Cab. The Bowser Executive Line model features accurate, railroad-specific and era-specific body variations, applied details and a smooth-running drive with can motor, flywheels, nickel silver wheels with RP25 flanges and knuckle couplers. This GMD SD40-2W locomotive features an ESU LokSound V5 sound and DCC decoder and can operated on DCC and DC (with limited sound features) layouts. Check out the entire line of Bowser HO Scale locomotives.WARNING: This product can expose you to chemicals including STYRENE, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov