Engine Manufacturer: Kohler Horse Power: 22.5 hp Engine Type: Command Pro Displacement: 674 cc (41.1 cu. in.) Transmission: Eaton Model 7 transmission with ductile cast iron final drive; Dual Hydrostatic; each wheel independently driven Wheel Size: 18 x 9.50-8 (Pneumatic 4-Ply; Standard) Fuel Capacity: 4.7 gal. (17.8 L) Deck Size: Collection: 36 to 52 in. (91 to 132 cm); Side Discharge: 36 to 74 in. (91 to 188 cm); Mulch: 36 to 52 in. (91 to 132 cm)