TB220. Powered by a 159 cc OHV, Troy-Bilt engine with recoil start. Self-propelled front wheel drive, variable speed. 8 In. front and 11 In. rear ball bearing wheels with dual-lever height adjusters. 21 In. 3-in-1 deck side discharge, mulch, or bag. Mulch kit and bagger included. Deck wash. Fully assembled. 2 year limited warranty. California Compliant.