Shell Spirax S4 AX 85W 140 Heavy Duty Extreme Pressure Gear Oil 400 Pound Drum btpcat_other_354310027 even when the grease is even when the grease is contaminated with water operating conditions and intensity of hydraulic power usage Reduce maintenance costs Shell Tellus S4 ME offers outstanding performance in all the properties relevant to a hydraulic fluid such as hydraulic pump wear and resistance to breakdown in contact with water or other contaminants Protects hypoid gears against wear and scuffing Multi viscosity for year round use over wide temperature range Contains a sulfur phosphorus additive system for excellent load carrying capacity Contains additives to inhibit oil oxidation and keep lubricated parts clean Contains inhibitors to protect against corrosion conventional manual transmissions calling for API GL 5