Heavy diesel engine series 221 of the German Federal Railways (DB). Earlier series V 200.1. With digital decoder mfx, regulated high-power drive & extensive sound functions. 2-axle driven. Traction tyres. Three-light spike signal changes depending upon the direction of travel & 2 red tail lights conventional in operation, can be switched digitally. Couplers exchange-able against closed front aprons. Length over buffer 21 cm.