Purpose and Specifications

Castrol Transmax Axle EPX 85W-90 is a premium mineral axle oil designed for differentials, final drives, and heavy-duty gear systems in passenger cars and commercial vehicles. It meets API GL-5 standards with approvals from Mercedes-Benz (MB 235.0) and ZF (TE-ML 16C, 17B, 19B, 21A), ensuring reliable performance under high loads.

This oil delivers high film strength to shield gears from wear and shock loads during towing or off-road use, while excellent thermal stability prevents harmful deposits and oil thickening in hot conditions up to 200°C. It flows smoothly at low temperatures down to -30°C, protecting components during cold starts and extending gear life in demanding applications.

• 1-liter bottle perfect for precise refills
• Prolongs component life under heavy loads
• Reduces wear for quieter, smoother operation

When to Use / Replace?

Use Castrol Transmax Axle EPX 85W-90 in vehicles requiring GL-5 rated axle oils, especially ZF and MB-approved systems in trucks, vans, and cars with high-mileage differentials. Ideal for commercial fleets, towing, or off-road driving where gears face extreme stress.

Replace every 40,000-60,000 km or 24-36 months under normal conditions; inspect sooner if towing frequently or operating in dusty/hot environments. Shelf life is typically 3-5 years when stored cool and sealed.

FAQ

Q: Is this oil suitable for my truck's rear differential?
A: Yes, if it requires API GL-5 and matches ZF or MB specs - perfect for heavy-duty axles handling high loads and heat.

Q: What temperatures can it handle?
A: Stays fluid down to -30°C for cold weather starts and stable up to 200°C to fight heat buildup during long hauls or towing.

Q: How often should I change it?
A: Every 40,000-60,000 km or 2-3 years; check fluid level and condition during oil changes to catch issues early.