Purpose and Specifications

WOLF EXTENDTECH 80W90 GL 5 is a tough mineral transmission oil built for heavy-duty gearboxes and hypoid axles. It handles high speeds, shock loads, and high torque at low speeds, keeping gears smooth and protected during tough jobs like towing or off-road driving.

This oil flows easily down to -33°C for cold starts and stays thick up to 210°C, shielding metal parts from wear in extreme heat. It meets API GL-5 standards, plus ZF TE-ML 17B/19B/21A and MIL-L-2105 specs, making it perfect for trucks, tractors, and cars with manual transmissions or differentials.

• Protects against rust, corrosion, and oxidation for longer gear life
• Makes shifting easier with reliable lubrication
• Prevents sludge buildup for clean operation

When to Use / Replace?

Use in manual gearboxes, rear axles, and transaxles calling for GL-5 oil. Ideal for agriculture, construction, and passenger vehicles under heavy loads. Replace every 40,000-60,000 km or 24 months, or sooner if towing frequently or in dusty/hot conditions. Shelf life is 5 years unopened in cool storage.

FAQ

Is this oil good for limited-slip differentials?
No, use WOLF EXTENDTECH 80W90 LS GL5 for limited-slip setups - this standard version is for regular hypoid gears.

Can I use it in my truck's manual transmission?
Yes, if it specs GL-5 and ZF approvals - check your manual for exact match.

What if I live in a cold climate?
Perfect choice - pumps reliably at -33°C and protects startup wear.