TECHNOL GEAR OIL 75W-90 GL-5 is a fully synthetic, high-performance gear oil made with advanced technology product base oils and a state-of-the-art additive system. This product is formulated for mechanical heavy duty transmissions and rear axles used in applications requiring gear oils with excellent load carrying capacity over wide temperature ranges and applications where extreme pressures and loads are expected. This oil has excellent thermal and oxidation stability, high viscosity index (VI) for its composition, extremely low pour point and incredible fluidity at low temperatures.