More style, more comfort, more speed, and more precision have made the ZT HD one of the top-selling machines in its class. Designed with 15 cutting positions, ranging from 1.5 inches to 5 inches, your lawn will be looking its best in no time. Although a residential unit, the ZT HD gives commercial units a run for their money with its high-quality features This unit has a superior and more robust welded tubular frame, giving you the integrity of a commercial frame in a residential package. The X-Factor 3 Deck delivers solid performance and decreases grass clogging. The ZT HD is built for power and durability.