The All-New Bad Boy Revolt X is driven by Hydro-Gear 16cc Pumps with 18 cubic inch Wheel Motors include a Cooling Fan on Pumps and Dual Independent 2.5 Quart Hydraulic Fluid Reservoirs, this hydraulic system is designed for performance and longevity. Paired with the Vanguard 40HP EFI and Kawasaki 38.5HP FX1000 EFI Power plants, the Revolt X runs cleaner and cooler for better performance and life expectancy. As for innovative features, you’ll love the new variable deck lift adjustment. Now you can change the height of cut with just one touch, giving you the power to make on-the-fly adjustments quickly and easily. Revolt. Powerful performance in a smaller package.