Briggs and Stratton Vanguard Model 305447-0609-G1 is 479cc with a total of 16HP (gross horse power). This is a Briggs Vanguard Engine with a 1″ x 2 29/32″ crankshaft, keyway, and tapped 3/8-24. The engine has an electric start with sting-pull recoil back-up for easy starting without electric power needed. The Briggs 305447-0609-G1 also has a 16 Amp charging system to help run accessories such as lights, hand warmers and other add-on accessories. We also include a fuel pump but do not include a muffler or fuel tank – those are sold separately on Equipatron. This Briggs engine is perfect for dependable use on commercial applications. Some features include, full pressure lubrication with spin-on oil filter, Oil Gard low oil shutdown system, mechanical governor and compression release, and a high-efficiency head design. Buyer protection package provides thee-year commercial engine warranty. 50-State CARB Compliant. All engines purchased from Equipatron ship for free and are foam packed for added protection during transit.