The Craftsman 917.28722 is a 2007 lawn tractor from the YS 4500 Series built by AYP and distributed by Craftsman (a part of Sears). It features a 21 hp Briggs & Stratton 540cc single-cylinder gasoline engine with electric start and a belt-driven hydrostatic Tuff Torq K46 transmission offering infinite forward and reverse speeds. The tractor is two-wheel drive with manual steering and an open operator station. It includes a 2.5 gallon fuel tank and a 2 quart oil capacity. Electrical system has a 12 volt battery with 230 CCA and 5 amp charging. Attachments include a 42 inch mid-mount mower deck with manual lift, a 42 inch front-mount blade, and a 42 inch 2-stage front-mount snow blower, both with manual lift.