The Wheel Horse SK-486 is a 1982 garden tractor from the S Series built by Wheel Horse in South Bend, Indiana, USA. It features a 16 hp Kohler 588cc 1-cylinder air-cooled gasoline engine, a 6-speed gear transmission (Wheel Horse Uni-Drive 5086) with 6 forward and 2 reverse gears, two-wheel drive, manual steering, and an open operator station. The tractor uses a 48" mid-mount mower deck attachment. Electrical system is 12 volts with negative ground. The SK-486 shares the older C-series red hood with the SB-421 model.