The Troy Bilt TB220 3-in-1 self-propelled lawn mower operates with a powerful 159cc OHV engine & will accommodate small to medium size yards. This mower is self-propelled & equipped with front wheel drive. The smarter tire design, 8 x 8 front & rear tread wheels, & comfort grip handle provide more confident handling & traction for any terrain. The TB220 cutting & mulching deck grass height settings range from 1.25-3.75 & provides 3 options for you to select your desired cut for either mulching, bagging, or using side discharge with an included standard 1 bushel grass catcher. This specific model comes equipped with a tri-action cutting system engineered to deliver a clean, even cut in just one pass. Troy-Bilt offers a 2-year limited warranty on the TB220.