Craftsman 11A-B26B791 21 in. 150 cc Gas Lawn MowerThis 21 in. push Lawn Mower features a 150 cc Briggs & Stratton engine with one step starting, so there is no priming needed. Its 3 in 1 convertible deck allows you to mulch, helping put nutrients back in the soil for a healthier lawn, discharge, or use the Dust Blocker bag. It reduces in air and dust debris, and offers a 1. 9 bushel bag capacity for easy clean up or composting. The 11 in. rear wheels provide improved maneuverability on any terrain.