The Troy-Bilt TB290 ES XP Walk-Behind Lawn Mower features an easy-starting push button electric start 159cc Troy-Bilt OHV engine with Check, Don’t Change system that eliminates oil changes. By simply checking the oil each time and topping off as needed, this system reduces maintenance time and having to dispose of old oil. True variable speed front wheel drive transmission will turn more easily around landscape features and obstacles. Equipped with the TriAction cutting system, it features a rake bumper to lift grass upright, a specially designed blade for a finer mulch and a symmetrical deck for superior grass flow, eliminating clumping. The TB290 ES XP self-propelled mower comes with three options to dispose of grass clippings, including side discharge, mulch or rear bagging capabilities. Dual lever height adjusters for easy changes in cutting height, plus a deck wash adaptor to help clean the underside of the deck, helps you care for both your yard and your mower more easily. Your work in the yard inspires us to design, test and build the most reliable mowers we possibly can. 159cc Troy-Bilt Check, Don’t Change OHV engine eliminates the need to change the oil by simply checking before each use and topping off as needed True variable speed provides improved control over front wheel drive transmission to turn and maneuver more easily around landscape beds, trees, and at the end of each row Maintain cutting deck more easily by connecting a standard garden hose to deck wash adaptor to rinse clippings from underside of deck and easily adjust the cutting height from 1.25 in. to 3.75 in. with the dual-lever, 6 position height adjustment lever 21 in. 3-in-1 steel cutting deck with TriAction Cutting System and side discharge, mulch or rear bag capabilities Includes: 21 in. Self-Propelled 3-in-1 Front Wheel Drive Walk-Behind Lawn Mower with 159cc OHV Troy-Bilt E-Start Check Engine – 12AGA2MT766.