Kohler PA-CH1000-3002 Engine 1 7/16" x 113 mm Crank Horizontal Shaft Electric Start 37 HPKohler PA CH1000 3002 Engine 1 7 16" x 113 mm Crank Horizontal Shaft Electric Start 37 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