Mobilube GX 80W-90 is a high performance, heavy duty gear lubricant formulated from high quality base oils and an advanced additive system. This lubricant is engineered for automotive heavy-duty transmissions, axles, and final drives where protection against wear and scoring is required. It provides excellent performance where API GL-4 service is required.Mobilube GX 80W-90 - Today’s heavy equipment applications place higher performance demands on drivetrain lubricants. Higher speeds, higher torque, and heavier loads require improved formulations to maximise equipment life and optimise operating costs. Longer service intervals place additional demands on the gear lubricant requiring effective basestock and additive systems. Mobilube GX 80W-90 is engineered to meet these challenges.