This Kohler 674cc Command Pro OHV Horizontal Engine is the ideal replacement for Grasshopper zero-turn radius mowers and is designed to deliver relentless power and legendary performance. U.S.A. Low Oil Shutdown: Yes, Shaft End Tapped (Diameter (in.)/Threads per inch): 17/16-20 UNF, Cylinders (qty.): 2, Bolt Circle (in.): 5 5/8, 7 3/4, 7 pilot, Mounting Bolt Pattern L x W (in.): 7 1/4 x 3 1/2, Dimensions L x W x H (in.): 14 x 17 7/10 x 19, Cooling System: Air cooled, EPA/CARB Approval (California Air Resource Board): Yes, Lubrication System: Full pressure, Cylinder Bore: Cast iron sleeve, Shaft Diameter (in.): 1 1/8, Crankshaft: Hardened, Shaft Keyway (in.): 1/4, Shaft Length (in.): 3 11/32, Muffler Included: Yes, Choke Control: Remote, Bearing Type: Parent material, Fuel Type: Gasoline, Ignition System: Electronic, Max. RPM: 3,600, Torque (ft./lbs.): 32.7 @ 2,400 RPM, Bore x Stroke (in.): 3 x 2.6, PTO Height (in.): 6 1/8, Shaft Rotation (From PTO Shaft Side): Counterclockwise, Charging System Amps: 15, Compression Ratio: 8.5:1, Displacement (cu. in.): 41, Fuel Pump: Mechanical, Auto Compression Release: No, Start Type: Electric, Carburetor: Smart choke, Governor System: Mechanical, Application: Grasshopper zero-turn mower, Fuel Filter: In line, Oil Capacity (qt.): 2, Low Oil Alert: Yes, Throttle Control: Remote, Engine Type: Command Pro OHV, Air Cleaner Type: Dual element, Engine Displacement (cc): 674, Mounting Base L x W (in.): 7 1/4 x 3 1/2, Shaft Output