The Allis Chalmers 310 is a garden tractor produced from 1971 to 1973 as part of the 300 Series. It features a 10 hp Kohler 391cc 1-cylinder gasoline air-cooled engine, a 21-speed belt-driven variator transmission, and two-wheel drive with manual steering. The tractor has an open operator station and is built in Lexington, South Carolina, USA. It includes an independent front PTO with manual clutch and optional electric PTO. The 310 supports a 42-inch mid-mount mower deck with manual or optional electric lift. Dimensions include a 48.1 inch wheelbase, 74 inch length, and 794 lbs weight. Tires are 4.80-4.00x8 front and 23-8.50x12 rear. Electrical system is 12 volts with alternator charging at 15 amps. The serial number tag is located on the left side of the tractor frame.