The Yard-Man 3630 is a 1973 lawn tractor built by Yard-Man in Jackson, Michigan, USA. It features an 8 hp Briggs & Stratton 318cc 1-cylinder gasoline engine with electric start, a Peerless 600 belt-driven 3-speed transmission with 3 forward and 1 reverse gears, and two-wheel drive with manual steering. The tractor has a 36" mid-mount mower deck with 2 blades and manual lift. Tires are sized 13x5.00-6 front and 18x6.50-8 rear. Electrical system is 12 volts with negative ground.