Kohler PA-CH680-3093 Engine 1" x 2-3/4" Crank Horizontal Shaft Electric Start 22.5 HPKohler PA CH680 3093 Engine 1" x 2 3 4" Crank Horizontal Shaft Electric Start 22. 5 HP You work your tail off 12+ hours a day. It's time to hold your engine to the same standard. With extended maintenance intervals and fuel efficient operation, KOHLER Command PRO engines work as hard as you do. Features: Integrated oil coolers extend oil change intervals and maintain low temperatures during the entire power range High efficiency, heavy duty air