The Allis Chalmers WF is a standard-tread farm tractor produced from 1938 to 1951 by Allis Chalmers in West Allis, Wisconsin, USA. It features a 3.3L 4-cylinder liquid-cooled gasoline engine producing 22 hp at the PTO. The tractor has a 4-speed gear transmission with 1 reverse gear, two-wheel drive, and manual steering with an open operator station. It has a wheelbase of 70 inches, weighs 3175 lbs, and uses 5.5x16 front tires and 11.25x24 rear tires. The WF was originally priced at $1,340 in 1951 and was available in standard (WF) and row-crop (WC) variants.