Purpose and Specifications

WOLF OFFICIALTECH 85W90 M GL 5 is a tough mineral transmission oil built for heavy-duty gearboxes, axles, and final drives in passenger cars, trucks, and construction equipment. It meets strict Mercedes Benz 235.0 and ZF TE-ML 21A standards, delivering smooth gear shifts, reduced friction, and strong protection against wear under extreme pressure and shock loads.

This oil flows easily down to -30°C for reliable cold starts and stays stable up to 216°C, shielding gears during hot, heavy towing or hauling. Special additives fight rust, foam, and oxidation, extending gear and oil life in tough conditions.

• Perfect for mechanical transmissions expecting high loads
• Compatible with Mercedes Benz, ZF, Volvo, and MAN specs
• Available in 1L, 5L, 20L, and larger sizes for easy servicing

When to Use / Replace?

Use this oil in older vehicles or heavy-duty applications calling for SAE 85W-90 GL-5 specs, like manual transmissions, differentials, and axles under constant stress. Ideal for all-year protection in construction, mining, or commercial fleets.

Replace every 40,000-60,000 km or 24 months under normal use, or sooner (every 20,000 km) for severe duty like frequent towing or off-road work. Shelf life is 5 years unopened in cool, dry storage.

FAQ

Is this oil safe for my Mercedes differential?
Yes, it exactly matches Mercedes Benz 235.0 requirements for superior protection under heavy loads.

Can I use it in cold winters?
Absolutely, it pours smoothly at -30°C, ensuring easy shifting even in freezing temps.

How often should I change it in a truck?
Check your manual, but typically every 40,000 km or 2 years for long-haul reliability.