LOCOMOTIVE ENGINE PR20B LOCOMOTIVE ENGINE SMW Machinery model PR20B SMW: For full view, you need register PR20B SMW (2016) M0068950 PR20B Locomotive SMW00001-UP PR20B Locomotive SMW00001-UP M0068950 AIR INLET AND EXHAUST SYSTEM ENGINE ARRANGEMENT SERVICE EQUIPMENT AND SUPPLIES MACHINE ARRANGEMENT COOLING SYSTEM FUEL SYSTEM ELECTRICAL SYSTEM BRAKING SYSTEM OPERATOR STATION