Bowser HO Scale ready-to-run GE U25B diesels are based on 2,500-horsepower road diesels built by GE beginning in 1959 and in use into the 1980s. Used in all kinds of freight service, U25B locomotives operated from coast to coast on many railroads and several have been preserved in museums. The Bowser Executive Line model features accurate, railroad-specific body variations, applied details and a smooth-running drive with can motor, flywheels, nickel silver wheels with RP25 flanges and knuckle couplers. This GE U25B locomotive features a 21-pin DCC decoder interface for easy conversion to DCC when you′re ready (decoder sold separately). 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