Nuffield PM-4 Universal

The Nuffield PM-4 Universal is a utility tractor that was manufactured by Nuffield, with the engine provided by Morris Motors. It features a traditional 4x2 2WD chassis and is steered manually. The tractor operates with a gear-based transmission and offers 5 forward gears plus 1 reverse gear. Under the hood, the PM-4 Universal houses a 230 cubic inch, 4-cylinder, liquid-cooled Morris Motors gasoline engine with a vertical L-head valve configuration. With a bore and stroke of 3.937 inches by 4.724 inches, the engine is rated to deliver 40.8 horsepower at 2000 RPM and a cooling capacity of 18 quarts. Standard tire sizes are 6.00-16 at the front and 11.00-36 at the rear, however, additional tire options were available. The tractor has an operating weight of 5,307 pounds and can be recognized by its distinct heights: 59.5 inches at the hood and 80.7 inches at the exhaust. Additionally, this model came with an open center hydraulic system. Specifications such as PTO type and speeds, hitch types, and manufacturing years are not available.