Specifications 8 hp Model W Tractor
ENGINE: 8 hp Briggs & Stratton, 4 cycle, single cylinder, air-cooled, cast-iron, heavy-duty... Easy-Spin starter, with micromatic ignition... mechanical governor... oil foam air cleaner.
UNIT: 3 speeds forward, 1 reverse, all gear transmission features precision roller bearings, sliding gear construction of alloy steel, carburized and hardened for long life... heavy steel frame with rugged cross bracing . . . spur gear differential, precision-cut, carburized and hardened with built-in controllable traction . . . heavy, reinforced tubular handles, adjustable for height... 6.00 x 12, super sure grip, Chevron tread tires, with wide base for maximum flotation and pulling power... adjustable tread width from 20" to 25" depending on wheel mounting . . . soft action clutch with spring loaded idlers... ground clearance 10 ½'' at rear axle.
8" & 10" MOLDBOARD PLOWS. Do clean, smooth plowing job behind the Model W tractor. Swivel rolling coulter cuts trash, turns it under and leaves a clean furrow. Depth can be changed while in motion.
[Source: Simplicity -- for picture perfect outdoor maintenance, 1969 Product Catalog, Form No. 868, courtesy of John Boesch]