Gravely ZT X 42″ Kawasaki Zero Turn Mower (918008)Description This is the residential lawnmower thats often mistaken for a commercial mowing machine. Its no surprise with its heavy duty construction, professional features, and legendary Gravely performance. When you have a ZT X on your lawn, your neighborhood will know youre upping your lawn game to the next level. Specifications Model Number: 918008 Power Train: Engine: Kawasaki FR651V Horsepower: 21. 5 Engine Displacement: 44. 3 in 726 cc Fuel