15HP Gas Powered Walk Behind Stump Grinder Powerful 15HP 420cc Gas Powered Engine Max Output: 15HP/ 3600RPM Engine Type: Ducar 15HP 420cc OHV 4-Stroke Recoil Starting System Upgraded Drum Braking System 12" Cutting Wheel (9 teeth included) Thick 3.55" Cutting Wheel Thickness Tire Size: 13" Overall Assembled Size: Upgraded Twin V Belts Cuts stumps 20.25 in. tall & 9 in. below ground Large pipe bow handle for added comfort and control Dimensions: 42W x 51D x 72H in. Weight 220lbs (Crated 300lbs) 1 Year Warranty.