Briggs Stratton 19L232-0037-F1 horizontal Vanguard engine is 305cc and puts out 10.0 HP (maximum horsepower). This single-cylinder Vanguard has a 1″ x 3-21/32″ crankshaft with a 1/4″ keyway. Briggs Stratton Vanguard engines are made to operate under the most challenging conditions – the TransportGuard fuel/ignition shut-off system provides added protection, a commercial-style carburetor supports reliable starting and a metal fuel tank helps reduce emissions. Common applications include concrete equipment, blowers, generators, tillers, pumps, pressure washers and more. Buyer protection package provides 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.