Castrol TRANSSYND 668 Automatic Transmission Fluid 20L
Castrol TranSynd 668 is a high-performance, full-synthetic automatic transmission fluid engineered specifically for Allison Transmission® on-highway applications. Approved to the latest TES 668™ specification, TranSynd 668 delivers exceptional gear protection, extended anti-shudder and clutch-friction durability, and superior resistance to oxidation and thermal breakdown. With enhanced performance over previous generations, TranSynd 668 ensures smoother operation, longer service life, and increased reliability—making it the ideal choice for fleets and operators who demand the best.
Features
- TES 668™ approved – Allison certified
- Backwards compatible with TES 295®
- Enhanced gear protection and wear resistance
- Extended anti-shudder and clutch durability
- Excellent thermal and oxidative stability
- Superior corrosion and foam resistance