Gasoline Engine Engine Series Command PRO(R) Series Gross Torque 9.8 lb-ft Horsepower 4.5 hp Shaft Orientation Horizontal Shaft Configuration Key Shaft Diameter 3/4 in Shaft Length 2 7/16 in Start Type Recoil Maximum Speed 3 600 RPM Muffler Yes CARB Compliant CARB Compliant Engine Brand Kohler Engine Displacement 176.98 cc Fuel Tank Capacity 3.1 qt Engine Cycle 4-Cycle Overall Depth 13 7/8 in Overall Depth Facing PTO 12 11/16 in Overall H Facing PTO 15 3/16 in