Troy-Bilt XP, 21", 3-N-1, Self Propelled Lawn Mower, 163cc Briggs & Stratton Engine, 21" Steel Tri-Action Deck, Rear Wheel Drive With Variable Speed Transmission, Integrated Deck Wash System, Rear Bag/Side Discharge/Mulch Capable, Mulch Ready, Rear Bag & Side Discharge Chute Included, 8" Front & 8" Rear Wheels, Dual Lever Height Adjustment, Adjustable Ergonomic Handle, Fully Assembled, Engine Oil Included In Carton, 3 Year Limited Warranty, 50 State EPA/CARB Compliant.