ZTR stands for "Zero Turning Radius." ZTR mowers have separate hydraulic pumps driving the left and right tires, and each side is controlled separately. One tire can be turning forward while the other is turning in reverse, thus the mower can pivot around its own center. This feature allows amazing versatility in trimming while mowing.

Zero-turning-radius (ZTR) mowers are popular among professionals and homeowners with larger lawns. ZTR manufacturers offer many new and/or optional features on their mowers that further increase their versatility and ease of use.

Some ZTR mowers are designed with a serious fire safety hazard. These models should be avoided.

Commercial-size riding mowers, including the popular ZTR (zero turning radius) mowers, are covered by a safety standard promulgated by the American National Standards Institute (ANSI). Even though many of these mowers are used by homeowners, those that are designed primarily for commercial use are considered commercial machines and they fall under a commercial mower standard.

ZTR mowers have taken over the commercial riding mower market. In the past, there were few low-cost models available to homeowners, but this has changed. Low-cost homeowner models are now available from several companies.

Farm and grounds maintenance equipment is often exposed to rain, high humidity, fertilizer, pesticides and corrosive plant materials (such as grass clippings). The manufacturers of that equipment have taken steps to try to protect the equipment and reduce the potential for corrosion.

This publication is intended to help you select the correct zero turning radius mower for your purpose, then use it and maintain it correctly and safely. (PDF Format Only)