Briggs & Stratton Horizontal 21 HP 627cc Vanguard Engine 1" x 2-29/32 #385447-0466

V-Twin 90 Overhead Valve Design Cooler, cleaner and more efficient operation. More HP output with less displacement, less carbon build-up. Longer valve life and improved fuel economy

Dura-Bore Cast Iron Cylinder Sleeves Withstand wear and abuse while providing improved oil control

Dura-Bore Cast Iron Cylinder Sleeves Keeps oil clean and extends time between oil changes for extended engine life

Dual-Clean Air Cleaner Pleated paper filter with foam pre-cleaner ensures maximum protection for extended engine life

Upper DU Bearing and Heavy-Duty Lower Bearing Replaceable, self-lubricating upper bearing and large lower bearing withstands load and reduces wear for longer engine life Full Length Replaceable Valve Guides and Seals Extended valve life and lower oil consumption

High Flow Cooling Package Lower engine and oil operating temperatures to extend engine life

Mechanical Governor Additional power under heavy mowing conditions

Magnetron® Electronic Ignition Quick, dependable starts with no maintenance required Mechanical Compression Release Smooth, easy starts and instant return to maximum power after starting

Engine Warranty Two-year engine warranty for consumer or Commercial use applications