Gravely 8171

The Gravely 8171 is a garden tractor introduced in 1978 as part of the 8000 Series. It features a 16.5 hp Onan 816cc 2-cylinder gasoline engine with air-cooled horizontal-shaft opposed-twin design. The tractor has an 8-speed shaft-driven gear transmission with 8 forward and 4 reverse speeds, two-wheel drive, manual steering, and mechanical band brakes. It includes an open operator station and a mid independent PTO with mechanical clutch. The hydraulic system is open center type with 0.375 gal capacity and 1200 psi pressure. Dimensions include a 48 inch wheelbase, 75.5 inch length, and 935 lbs shipping weight. Tires are lawn/turf type with 16x7.50-8 front and 23x10.50-12 rear sizes. Electrical system features a 12 volt battery and 15 amp flywheel alternator charging system. Fuel capacity is 5.3 gallons.