21" STEEL DECK made from heavy gauge steel delivers increased durability resulting in extended life and usage POWERFUL ENGINE: 140cc Briggs & Stratton engine featuring easy starting, no priming, and long life MOWING CONVENIENCE: 21 inch, 3-in-1 convertible deck lets you side discharge, mulch, or rear bag grass clippings CLIPPING COLLECTION: Rear bag collects grass clippings for easy clean up or composting HEIGHT ADJUSTMENT: Dual-lever, 6 position height adjustment makes it easy to change cutting heights from 1.25-in to 3.75-in high Included mulch kit helps maintain a healthy lawn Some assembly required