The Massey Ferguson Work Bull 204 is an industrial tractor produced from 1960 to 1965 as part of the Work Bull Series. It features a Continental Z-134 2.2L 4-cylinder gasoline engine producing 40 hp (29.8 kW) net power. The tractor uses a 4-speed torque converter transmission with instant reverse and hydraulic clutch. It is a two-wheel drive tractor with optional mechanical rear differential lock and power steering. The tractor has mechanical drum brakes and an open operator station. Hydraulics are open center type with 2800 psi pressure and 4 gpm pump flow. The rear PTO is live and optional, running at 540 RPM at 1500 engine RPM. Dimensions include a 75 inch (190 cm) wheelbase, 118 inch (299 cm) length, and 66 inch (167 cm) width. The shipping weight is 3160 lbs (1433 kg). Tires vary for agricultural, lawn/turf, and industrial use. Attachments include loaders (models 99, 101, 102) and backhoes (models 185, 220) with detailed specifications for lift capacity, breakout force, reach, and bucket sizes.