The Gravely 8169 is a garden tractor introduced in 1980 as part of the 8000 Series. It features a 16HP Briggs & Stratton 531cc 1-cylinder gasoline engine, an 8-speed shaft-driven gear transmission with 4 reverse speeds, and two-wheel drive with manual steering. The tractor has an open operator station and mechanical band brakes. It includes an open center hydraulic system with 1200 psi pressure and 1.7 gpm pump flow. The mid PTO is independent with a mechanical clutch and a 1000 type. Dimensions include a 52 inch wheelbase, 79.5 inch length, 36.4 inch width, and 43 inch height, with a shipping weight of 870 lbs. Tires are sized 16x6.50-8 front and 23x8.50-12 rear. Electrical system is 12 volts with a 42 AH battery and negative ground.