2023 Gravely ZTHD44, 22Hp Kawasaki FR651 V-Twin Zero Turn w/ 44", 7-gauge steel and specially designed for better grass dispersion thanks to its larger discharge opening, integrated baffles, and sloped front end. Kawasaki® Engines are best-in-class and part of the trusted Kawasaki® FR line. Automotive-style frame is constructed of enclosed rectangular tubing and is fully welded for superior durability.