Briggs & Stratton 386447-3065-G1 horizontal Vanguard engine is 627cc and puts out 23.0 HP (maximum horsepower). This V-Twin engine has a 1″ x 2-29/32″ crankshaft. It is equipped with a recoil starter, a 12V electric starter and a 16A alternator. Briggs & Stratton V-Twin Vanguards are designed with advanced technology and integrated components to take on demanding jobs. Common applications include commercial mowers, power packs, golf and turf equipment and generators. Buyer protection package provides a three-year limited consumer engine warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.