AMSOIL Synthetic Automatic Transmission Fluid and Gear Lubes deliver maximum power and fully protect hardworking drivetrains. Synthetics deliver maximum power because their molecular structure is designed to reduce friction, a big power-eater. They protect best, even in temperatures that gel or fry conventional lubes. Protection in extreme temperatures is critical, given the incredible drivetrain heat generated by heavy-load operations and the temperature extremes in which diesels often work.

AMSOIL Transmission Fluid and gear lubes provide easy, dependable cold temperature shiftability in a fraction of  the time required by conventional fluids. They actually reduce high lube temperatures to optimal levels, and outlast ordinary transmission fluids and lubes.