The 44Q777-0127-G1 features a 724cc 27.0 Gross HP Briggs and Stratton V-Twin Extended Life Series Engine with 1-Inch x 3-5/32-Inch Length Crankshaft, tapped 7-16-20. This engine features 12 volt electric start, and a 16 amp DC alternator. Extended Life Series features include premium oil filter and fuel filter, platinum spark plugs, full pressure lubrication system, and advanced debris management system. The exhaust manifold, muffler and fuel tank is omitted. For use on zero-turn-radius lawn mowers and lawn tractors. Emission compliant for sale in all 50-states.