Wear Guard AW is a premium anti-wear lubricant formulated with high viscosity index hydroprocessed Group II base oils and advanced additives for superior oxidation stability and extended life. Ideal for a wide range of hydraulic applications, it meets and exceeds Caterpillar's zinc requirements for heavy-duty hydraulic fluids, offering exceptional performance in off-road and heavy haul equipment. Its special friction-reducing properties ensure long-lasting protection and efficiency, with an impressive 8,000-hour oxidation rate.