CV680 22.5 HP Vertical Engine Overhead Valve Design Hydraulic Valve Lifters Electronic Ignition Cast Iron Cylinder Liner High Efficiency Grass Screen and fan Full Pressure Lubrication Dual-Element Air Filter Easy Access Fill Tube & Dipstick Oil Sentry Pulse Fuel Pump Smart-Choke Carburetor 12-Volt Solenoid Shift Starter Fits Model Replaces OEM Kohler PA-CV680-3036 Specs Grade Commercial Cylinders: V-Twin Cooling: Air Fuel Type: Gasoline Bore: 3.1″ Stroke: 2.6″ Compression Ratio: 8.5:1 Weight: 90 lbs Dimensions (LxWxH): 17.8″ x 17.7″ x 14.1″ Warranty: 2 Year Commercial Warranty Shaft Size 1″ x 4″ Equipment Type Zero Turn Mower Power 22.5 HP Displacement 674cc