CITGO HyDurance AW Fluids are superior anti-wear hydraulic and circulating oils specially formulated to provide outstanding resistance to sludge formation, are chemically stable, and exhibit excellent anti-wear protection and filterability. Formulated with high quality base stocks and premium additive components to offer trouble-free service in high-pressure, high-output industrial hydraulic circuits. Recommended for service in industrial and mobile hydraulic sytems when used in accordance with equipment manufacturers' recommendations. They are designed to provide maximum service life to vane, piston, and gear pumps as well as other circuit components such as motors and servos.