Castrol Transmax Universal LL 75W-90 formulated with Smooth Drive Technology is a full synthetic multi purpose manual transmission and final drive lubricant. It may be used in synchronised manual transmissions and final drives / differentials of a wide range of vehicles (commercial vehicle, construction equipment) where API GL-4 or API GL-5 fluids are required and it carries a number of OEM approval. Advantages: A single product for transmissions and final drives reducing inventory and the potential for misapplication. Excellent low temperature fluidity provides improved shift quality and wear protection in cold conditions and improves fuel efficiency. Superior high temperature stability and excellent wear protection even in the most arduous conditions prolongs equipment life and allows for extended drain intervals. Full compatibility with conventional mineral oils and seals allows this product to be used in a wide range of applications.