Purpose and Specifications

CASTROL Transmax Axle Long Life 75W-90 is a full synthetic transmission oil designed for manual transmissions, differentials, and transfer cases in cars. This 20-liter canister delivers long-lasting protection with smooth shifting and reduced wear, flowing easily in cold starts down to -40°C and staying thick under high heat up to 150°C.

It meets tough specs like API GL-5 for extreme pressure protection, plus MAN 342 S1 and ZF approvals (TE-ML 05A, 12B, 17B, 19C, 21A), making it ideal for heavy-duty use in commercial vehicles and passenger cars.

• Key Benefits: Extends gear life, prevents breakdowns, handles heavy loads
• Volume: 20 liters - perfect for workshops or fleet service
• Shelf Life: Up to 5 years unopened in cool, dry storage

When to Use / Replace?

Use this oil in manual gearboxes, axles, and transfer cases approved for 75W-90 synthetics. Replace every 100,000 km or 48 months under normal driving, or sooner (60,000 km/24 months) for towing, off-road, or extreme temps to keep shifts smooth and parts protected.

FAQ

Is CASTROL 15DB77 suitable for automatic transmissions? No, it's for manual transmissions, differentials, and transfer cases only - check your owner's manual.

How much oil for a typical differential change? Most car diffs need 1-2 liters; this 20L canister covers multiple services.

Can I mix it with conventional gear oil? Best to fully drain and refill with this synthetic for maximum long-life benefits.