Purpose and Specifications

CASTROL Transmax Axle EPX 15D76B is a reliable mineral-based transmission oil in 80W-90 viscosity, perfect for manual transmissions, differentials, and transfer cases. Available in a sturdy 20-liter tank, it delivers smooth gear shifts and strong protection for gears and bearings under tough conditions.

This oil excels in everyday driving, flowing easily in cold starts down to -20°C and staying thick at high operating temps up to 150°C. It cuts wear by up to 30% compared to basic oils, extends gear life, and resists breakdown for quieter, smoother performance mile after mile.

• Key Benefits: Tough EPX formula fights rust and corrosion, keeps seals soft to prevent leaks.
• Meets API GL-5, MAN 342 M2, ZF TE-ML 05A specs for heavy-duty use.
• Ideal for trucks, SUVs, and cars with demanding drivetrains.

When to Use / Replace?

Use CASTROL 15D76B in manual gearboxes, axles, and differentials calling for 80W-90 GL-5 oil. Replace every 40,000-60,000 km or 24-36 months, or sooner if towing heavy loads or driving in dusty/hot climates. Check fluid level monthly; dark color or burnt smell means change it now to avoid costly repairs.

Shelf life is 5 years unopened in cool, dry storage. Drain and refill during routine service for peak protection.

FAQ

Q: Is this oil safe for my differential?
A: Yes, its EPX additives provide excellent protection for hypoid gears under high pressure, perfect for rear axles and 4x4 systems.

Q: Can I mix it with other 80W-90 oils?
A: Top up is fine, but for best results, fully drain old fluid before switching to CASTROL for full benefits.

Q: What temps does it handle?
A: Pumps smoothly from -20°C to 150°C, ideal for all-season use without thinning out or gumming up.