The Craftsman 131.8550 is a 1967 lawn tractor built by Roper and distributed by Craftsman (a part of Sears). It features a 6 hp Tecumseh H60 221cc 1-cylinder air-cooled gasoline engine with electric start. The transmission is a belt-driven gear type with 3 forward and 1 reverse gears. It has two-wheel drive, manual steering, and an open operator station. The tractor weighs between 356 lbs (recoil start) and 432 lbs (electric start). Tires are 12.50x3.75 front and 16x5.25 rear. Attachments include a 36-inch mid-mount mower deck with 2 blades and manual lift. Original price was $375 in 1967.