Briggs & Stratton 1550 series engine is great with tillers, compressors and log splitters. Automotive-type air filter ensures long life. U.S.A. 3300 RPM 5.25 ft.-lbs. Gross Torque Magnetron® electronic ignition for quick, dependable starts Recoil start Aluminum alloy bore for cooler operation 3 5/8in. flange mount bolt circle 6 3/8in.L x 3 1/8in.W base 3/4in. dia. x 2 5/16in.L shaft Automotive-type air filter for long life For tillers, compressors, or log splitters EPA/CARB compliant