The Wheel Horse 401 is a lawn tractor manufactured by Wheel Horse in 1961 in South Bend, Indiana, USA. It features a 4 hp Kohler 145cc 1-cylinder air-cooled gasoline engine with a manual recoil starter. The tractor has a Uni-Drive transmission with 3 forward and 1 reverse gears, two-wheel drive, and manual steering with an open operator station. It is equipped with mid PTO continuous power take-off. Tires are sized 16x4.00-8 front and 22x6.00-12 rear. Attachments include a 32" mid-mount mower deck, a 30" single-stage front-mount snowblower, and a 42" front-mount blade. Related models include the Wheel Horse 400 and 551.