14hp 429cc Kohler Command Pro Engine 1" x 3.48" keyed shaft, tapped 7/16"-20. Common Replacement Engine-please verify will fit your application This Kohler Command PRO Horizontal OHV Engine with Recoil Start is an excellent choice for concrete saws, edgers, go-karts, UTVs, golf carts, aerators, chippers, cement mixers, pressure washers, blowers, hydraulic power packs, generators, log splitters, lawn vacuum pumps, tillers, air compressors, stump grinders and more. Packed with performance-driven features like a heavy-duty air cleaner, electronic ignition, forged-steel crankshaft and cast-iron cylinder liner, the Command PRO is the standard for professional-grade power and reliability.