Kohler CH730-3203 horizontal 4-cycle OHV V-Twin Command Pro engine is 725cc and puts out 23.5 HP (maximum horsepower). This CH730 has a 1-7/16″ x 4.46″ crankshaft. It features a 12V electric solenoid shift starter and engine controls (key switch, throttle and choke). This model replaces PA-68501, PA-CH730-0040, PA-68590 and PA-CH730-3040. Kohler Command Pro engines have tough features like hardened crankcase journals and hydraulic valve lifters while remaining user-friendly, efficient and reliable. CH730 Series engines can be used for a variety of applications including utility vehicles, two-wheel tractors, feeders, conveyors and more. Buyer protection package provides a three-year engine warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.