Gravely 8121

The Gravely 8121 is a garden tractor introduced in 1978 as part of the 8000 Series by Gravely. It features a 12 hp Kohler K301 476cc 1-cylinder air-cooled gasoline engine, an 8-speed shaft-driven gear transmission with 4 reverse speeds, and two-wheel drive with manual steering. The tractor has a hydraulic lift variant and an open operator station. It includes a mid independent PTO with mechanical clutch, an open center hydraulic system, and a fuel capacity of 5.3 gallons. The 8121 rides on 16x7.50-8 front tires and 23x10.50-12 rear tires, with a wheelbase of 48 inches and a weight of 890 lbs. Electrical system features a 12-volt battery and a 15-amp flywheel alternator charging system.