The SW1500 is a 4f708\1m435\StandardGage 4Axle\BoBo DieselElectric locomotive, built 1966~1974 by ElectroMotive in USIL.LaGrange, with 1500 hp\1124kw 13v645ci Engine, 65MpHr\105KpHr MaxSpeed, Westinghouse.26L AirBrakes, MultiUnit\MU Control , & AARE Couplers. Though designed as a Shunting\Yard switcher, SW1500s are often used as MainLine\Road locomotives; most had EMD.FlexiCoilB replacing older EMD.CommonWealth\AAR BogieTrucks. The design proved reliable\maintainable & SW1500s are likely to remain in service for the forseeable future.