?(IDEAL FOR YARDS UP TO 1 ACRE) Cutting Widths Side Discharge: 36", 42", 52" Engine Configurations Kawasaki: 21.5hp FR651 Kohler: 19hp 6600 Series HD 23hp FR691V 22/24hp 7000 Series HD Speed: 6.5 MPH Fuel Capacity: 3 US Gallons Front Tires: 11"x 4" Drive Tires: 36": 18"x17" 42/52": 18"x8.5"