The Massey Ferguson 500B Crawler Loader is a crawler tractor loader manufactured by Massey Ferguson. It features a Perkins 8.4L 8-cylinder diesel engine producing 125 hp (93.2 kW) net power. The transmission is a 2-speed power shift with 2 forward and reverse gears. It has a crawler drive with an open operator station and optional four-post ROPS. The loader attachment offers a lift capacity of 12,570 lbs and breakout force of 19,840 lbs. The machine has 16-inch wide tracks and weighs 29,700 lbs. It includes a hydraulic system with 34.5 gallons capacity and an open center type with 2000 psi pressure. Electrical system includes a 12-volt alternator and two 12-volt batteries.