The Craftsman 131.8838 is a 1959 riding lawn mower built by Roper and distributed by Craftsman (a part of Sears). It features a 4 hp Tecumseh V40B 180cc 1-cylinder gasoline engine with manual recoil start. The transmission is a 1-speed belt-driven gear with 1 forward and reverse gear, directly engaged without a clutch. The mower has 3x2 2WD drive with manual steering and an open operator station. It includes a 24-inch mid-mount mower deck with a single blade for cutting.