Gravely 8120

The Gravely 8120 is a garden tractor introduced in 1978 as part of the 8000 Series. It features a 12 hp Kohler K301 476cc 1-cylinder air-cooled gasoline engine, an 8-speed shaft-driven gear transmission with 4 forward gears in two ranges and 4 reverse gears, and a mechanical lift variant. The tractor has a wheelbase of 48 inches, weighs 890 lbs, and uses lawn/turf tires sized 16x7.50-8 front and 23x10.50-12 rear. It includes a mid independent PTO with mechanical clutch, two-wheel drive, manual steering, and mechanical band brakes. Electrical system includes a 12-volt battery with 42 AH capacity and a 15 amp flywheel alternator charging system.