Honda GX390 QNE2 (GX390UT2QNE2) horizontal OHV engine is 390cc and puts out 11.7 net HP. This Honda GX has a 1″ x 3-31/64″ crankshaft with a 1/4″ keyway (Tapped 3/8-24). The engine has electric and recoil start, a 10-amp charging system, a silent muffler with deflector, a fuel tank and an oil alert system. Honda GX390 commercial engines deliver economical and quiet operation without sacrificing superior performance and reliable power. Common applications for this engine include water pumps, small vehicles, commercial lawn and garden equipment, generators and more. Buyer protection package provides three-year commercial engine warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.