The Massey Ferguson 500B is a bulldozer produced from 1973 to 1977. It features a Perkins 8.4L 8-cylinder liquid-cooled diesel engine delivering 125 hp (93.2 kW) net power. The tractor uses a 2-speed power shift transmission and has a crawler drive. It has an open operator station with an optional four-post ROPS. The 500B has a fuel capacity of 66 gallons and a hydraulic system capacity of 32 gallons with an open center type hydraulics system operating at 1780 psi. The tractor weighs between 28,765 and 28,970 pounds depending on the dozer type and runs on 18-inch wide tracks. It offers attachments including 120-inch and 147.75-inch blades with hydraulic angle and lift features.