Castrol Syntrans 75W-85 is a full synthetic transmission fluid recommended for most commercial vehicle manual transmissions (truck, bus, light commercial vehicle) where API GL-4 lubricants are required.
Warranty and Protection Requirements
- Excellent thermal and oxidative stability maintains transmission cleanliness and lubricant performance allowing extended drain capability.
- Synthetic formulation provides a reduction in operating temperatures giving longer component and lubricant life.
- Superb cold flow characteristics give smoother gear shifts at low temperatures.
- High shear stability maintains lubricant performance throughout the drain interval.
- Good wear and EP performance ensures component protection under high load conditions reducing downtime and service costs.
- Exceeds all manufacturers’ warranty requirements for HD applications requiring a GL-4 full synthetic 75W-85 manual transmission fluid.
Product Data Sheet
Material Safety Data Sheet