OTR Super Synthetic Premium Automatic Transmission Fluid ensures Expertise Built In , being a fully synthetic high viscosity ATF that supports the performance requirements of a wide array of automatic transmissions. This OTR transmission fluid enhances proper shifting and efficient power transfer due to friction modifiers that effectively control clutch pack lock-up rates. In addition, this heavy duty synthetic automatic transmission fluid efficiently removes heat from clutch surfaces to extend clutch life and reduce clutch shudder in modulated torque converters. This heavy duty ATF provides superior friction retention and thermal and oxidation stability, extending the life of your transmission. FleetPride is your First Click in Heavy Duty .