Castrol TranSynd 668 Full-Synthetic Transmission Fluid 55 Gal/drum

Availability Notice

Due to current manufacturer supply constraints, this product is not always available for immediate shipment. If this item is ordered, please allow approximately 2–3 weeks for us to receive inventory and ship your order.

We appreciate your patience and understanding. If you have a specific delivery deadline, please contact us before placing your order to verify current availability and estimated delivery time.

Castrol TranSynd 668 Full-Synthetic Transmission Fluid 55 Gal/drum

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 for TES 295® applications, but is not backwards compatible for TES 468™ applications.