Troy-Bilt TB120B 21 In. Push Walk Behind 3-in-1 Mower with 140cc Briggs & Stratton 550ex engine. A sturdy 21 In. stamped steel mowing deck comes with bagging, mulch, and side discharge cutting capabilities. Tri action cutting system was engineered to deliver a clean, even cut every time, a rake guard stands grass upright for a clean cut, a higher performance blade creates lift for a finer cut and a symmetrical deck design improves airflow and works with the blade to cut clippings more times, producing a finer mulched cut. Dual lever height adjustment for six different heights ( 1.25 In. to 3.75 In.), 7 In. front and 8 In. rear wheels, recoil pull start, and 2 year manufacturer's warranty.