Troy-Bilt TB42 42-inch 420cc Auto Drive 7-Speed Side Discharge Riding Lawn Tractor Powered by a 420cc single Troy-Bilt foot-pedal automatic CVT (continuously variable) 7-speed transmission for ease of use 42-inch mowing deck and 13-gauge steel Step Thru frame for easy access and comfort Five position deck height adjustment to meet your lawn cutting needs 15 x 6-inch front and 20 x 8-inch rear wheels for easy maneuverability Backed by a 2-year limited warranty