Champion Oil Posts Technical Bulletin on Understanding Automotive Gear Oils
Hypoid gearboxes found in automobiles and heavy duty trucks require specialized lubrication. Oils designed to lubricate these components are loaded with extreme-pressure additives and are more viscous than other automotive fluids. They are relied upon to transfer a lot of power, usually run very hot, and have very long drain intervals. Consequently, choosing high quality gear oil is very important for the life of your gearbox.