The Massey-Harris 203 is a standard-tread farm tractor produced from 1940 to 1947 as part of the 200 Series. It was built in Racine, Wisconsin, USA. The tractor features a Continental 5.4L 6-cylinder engine available in distillate and gasoline versions, with the gasoline version introduced after 1944. It has a 4-speed gear transmission with mechanical dry disc clutch, two-wheel drive, manual steering, and an open operator station. The PTO is rated at 37 hp (27.6 kW) with a rear PTO type of 540. The tractor weighs 6700 lbs (3039 kg) and can pull up to 5 plows. The belt pulley diameter is 13.5 inches (34 cm) with a width of 8 inches (20 cm), running at 839 RPM and a speed of 2962 ft/min (902.82 meters/min).