Pro Maxx Tractor Hydraulic Fluid and Tractor Hydraulic Fluid (W) are premium quality tractor hydraulic fluids blended from highly refined base stocks and formulated for long term service under severe conditions. It is designed for use in equipment utilizing a common pump or requiring a single fluid for final drive, transmission, differential power takeoff (PTO) units and wet brake system. Pro Maxx Tractor Hydraulic Fluid (W) is a lower viscosity product blended to meet the viscosity limits of John Deere J20D specification.