The CRAFTSMAN 21" 3-in-1 Mower features a Briggs & Stratton® 163cc OHV engine with 7.25 ft. lb. gross torque for super powerful performance and reliability. Choose from side discharge, bagging or mulching to suit your yard's needs. This mower never needs oil changes and the pull cord provides a quick, easy start. Flexible cutting heights range from 1.25" to 3.5" providing exceptional versatility for all lawn or grass types. An EZ Empty rear bagger with Dust Blocker™ reduces the amount of dust while allowing the bag to completely fill with clippings. Low 8" front wheels and high 11" rear wheels provide improved turning and sure-grip traction over all types of terrain.