Valvoline AW Hydraulic Oil -- ISO 32 is formulated with premium high viscosity index (VI) base oils and additives for a wide variety of hydraulic systems. They are zinc-based, non-detergent oils with excellent oxidation and demulsibility characteristics and contain rust and foam inhibitors. These oils have excellent D943 Oxidation Life, and a D665A/B no rust pass. The excellent demulsibility and high VI of Valvoline AW Hydraulic Oils proves highly useful in mobile equipment applications. Other suitable applications (of proper grades) include lubrication of machine tools, servo controls, metalworking equipment, as light duty crankcase oils, circulating systems, bearings/journal (anti friction) and gear cases.