New Briggs & Stratton Vertical crankshaft engine -Overhead Valve Design (O.H.V.) -17.5 HP -Single Cylinder -Vertical shaft -500cc -Solenoid Carburetor Shutdown -Cast Iron Sleeve -12 Volt Electric Start -9 Amp Alternator -1" diameter x 3.157" Keyed Crankshaft. -Crankshaft Drilled/Tapped 7/16-20 -Choke-A-Matic -Oil Filter -Fuel Pump -Does not include Muffler or Gas Tank Please Note: If your current engine model number starts with a 31. it has 500cc. Our 17.5 Gross HP engine has enough power to replace your old engine. A 500cc Briggs and Stratton engine is no longer rated more than 17.5 gross HP.
