Built For Efficiency: The 170cc 4-cycle OHV engine equipped with recoil starter and auto choke for easy start, delivers maximum efficiency in this class of mower. Rear Wheel Drive: The single-speed self-propel makes mowing effortless, it easy to mow hills and large yards up to 1/2 acre. With single speed 3.5-4.1 km/h. Mowing Quality: 21-in wide fine cutting system with durable steel deck and heavy-duty blade provides ultra fine cuts and small clippings. 2-In-1 Versatility: Mulching or bagging system for your mowing preference, equipped with a 1.4-bushel, easy-to-empty grass bag to reduce clipping blow out and keep the lawn clean. Adjustable Cutting Height: With a 6-position single-level height of cut that allows for quick deck adjusting to keep an even cut. Easy Assembly: Fully assembled in the box, no tools required, just unfold the handle. The PowerSmart 21 in. 2-in-1 Rear Wheel Drive (RWD) Self-Propelled Lawn Mower will make cutting your lawn quick and easy with its high performance 170cc OHV engine with automatic choke system for an easy start. The high-rear-wheels are perfect for uneven terrain and are equipped with double ball bearings and exclusive aggressive spiked tread rubber tires for an increased traction and maneuverability. This mower offers 6 cutting heights, from 1.5 in. to 3.9 in. allowing you to cut your lawn to your specifications by using a single convenient lever. The steel volute deck is designed to keep grass clippings airborne longer for superior mulching or for flowing into the rear bag when needed. Space saver, the entire mower can be compactly folded for storing in small garage spaces. Fully assembled, just unfold the handle and you're ready to go. The PowerSmart gas lawn mower will make your yard work job easy and will provide reliable performance and clean-even cut season after season.