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