Gasoline Engine Engine Series Intek(TM) Series Gross Torque Not Applicable Horsepower 17.5 hp Shaft Orientation Vertical Shaft Configuration Keyed/Tapped Shaft Diameter 1 in Shaft Length 3 5/8 in Start Type Electric Maximum Speed 3 300 RPM Muffler Yes CARB Compliant CARB Compliant Engine Brand Briggs and Stratton Engine Displacement 500 cc Engine Cycle 4-Cycle Overall Depth 12 1/2 in