100% synthetic transmission lubricant. This high-performance, low-viscosity lubricant is specifically designed for the most modern automatic transmissions of heavy vehicles, such as trucks, buses or coaches, (manual, sequential, electronically controlled, etc.) with or without clutch slip lock. MOTUL ATF HD extends oil change intervals in the most demanding driving conditions and fully adapts to the continuous starts and stops of commuting around town. Its unique dedicated formula protects the many compact and heavily loaded gears thanks to its advanced anti-wear properties. Extends service life and offers high high temperature shear stability and oxidation resistance. Motul ATF HD saves fuel in vehicles with automatic gearboxes by reducing the friction of the planetary gears, and improves the reaction of automatic gearboxes at low temperatures. This lubricant is formulated with anti-corrosion and anti-foaming agents, and offers an anti-shake effect to prevent vibrations in the engine flywheel. The use of this product finally offers a smooth shifting feel and minimizes lag when shifting for superior automatic response.