Super Z riding mower offers 15-m.p.h. top speed and 14.4-gal. fuel capacity. Features fuel-efficient Honda, Kohler, or Kawasaki engine; high-capacity hydraulic pumps and wheel motors that reduce pressure at high speeds; hydraulic oil cooler; wide stance for stability on slopes; and SmoothTrak steering with automatic park-brake system. XR-7 mowing decks in 54-, 60-, 66-, and 72-in. sizes give even cut.