Keeping you Ready for the Road Ahead™, Castrol TranSynd 668 Full Synthetic Automatic Transmission Fluid is formulated for high performance, wear and tear protection, and extended drain capacities. This Castrol synthetic transmission fluid enhances anti-shudder durability, improves smooth clutch engagement for shift comfort, and stabilizes friction levels for consistent gear changes. In addition, this formula minimizes deposit formation and resists corrosion and foaming to extend the life of your equipment. In the end, this heavy duty full synthetic automatic transmission fluid is high-quality and reduces your operating costs and downtime. FleetPride is your First Click in Heavy Duty®.