This 21-in. self-propelled rear wheel drive mower features a 163cc, OHV Briggs & Stratton® engine with one step starting, no priming needed. Its 3-in-1 convertible deck allows you to mulch, helping to put nutrients back in the soil for a healthier lawn, discharge or use the 2.3 bushel Dust Blocker bag for easy cleanup or composting. Equipped with a Pace Control System, this mower matches your natural stride providing the perfect mowing speed. Its large 8-in. front and 11-in. rear wheels provide improved maneuverability on any terrain and the dual-lever, 6-position height adjustment makes it easy for you to change the cutting height while mowing.