Castrol TranSynd 668 is a premium, full-synthetic automatic transmission fluid specifically formulated for Allison Transmission® on-highway automatic transmissions. TranSynd 668 provides oxidative stability, anti-wear performance, and friction durability, as well as TES 668™ specification differentiators such as extended anti-shudder durability and extended clutch friction durability. This fluid features an Allison® TES 668™ approval. The TES 668™ spec is fully backwards compatible with both Allison TES 295® and TES 468™ applications.
Engineered for the harshest industrial environments.
Good thermal/oxidation stability protects against the formation of deposits and oil thickening prolonging the life of components and lubricant
Excellent transmission cleanliness under all conditions permits extended oil-drain intervals and decreased servicing.
Optimized frictional characteristics gives smoother gear changing at all ambient temperatures and load conditions.
Complete technical profile for precision engineering integration and procurement assessment.
Download the complete product catalog for detailed specifications, configurations, and compatibility data for your engineering team.