MTD Gold 12AVB2A9704 173cc 21 in. 3-in-1 Self-Propelled Lawn Mower 3-in-1 capabilities - mulching, rear collection and side discharge Powerful OHV Powermore 163cc engine delivers reliable cutting performance 21 in. wide cutting path for increased cutting capacity Durable steel cutting deck Adjustable height positions from 1-1/4 in. up to 3-3/4 in.