17.5hp Briggs John Deere Riding Mower Engine 1″ Shaft Elect Start 31R977 0052 G1

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.nbsp;-Crankshaft Drilled/Tapped 7/16-20-Choke-A-Matic-Oil Filter-Fuel Pump-Does not include Muffler or Gas TankPlease Note: If your current engine model number starts with a 31