Purpose and Specifications

LIQUI MOLY 1406 Hypoid Gear Oil (GL4/5) TDL SAE 75W-90 is a fully synthetic transmission oil designed for manual transmissions, differentials, and auxiliary drives in commercial vehicles and heavy-duty applications. This universal TDL (total drive line) oil delivers excellent wear protection, smooth gear shifting, and reduced friction for reliable performance from -40°C cold starts to over 150°C high-heat conditions.

• Flows easily at low temps: Starts smooth even in freezing weather down to -40°C.
• Stays thick under heat: Maintains protection up to 150°C+ for towing or heavy loads.
• Reduces noise and wear: Quieter shifts and longer gear life with high-pressure absorption.
• Universal fit: Meets API GL4/GL5/MT-1, ZF TE-ML 02B/08/16B/17B/19B, MAN, Scania specs.

500ml box packaging makes it perfect for precise top-ups or small services.

When to Use / Replace?

Use in manual gearboxes, hypoid differentials, and transfer cases requiring GL4/5 or TDL oils. Ideal for trucks, vans, and cars with high-load transmissions. Replace every 60,000-100,000 km or 3-5 years under normal driving; sooner (30,000-50,000 km) for severe duty like frequent towing or off-road. Shelf life is 5 years unopened when stored cool and dry.

FAQ

Is LIQUI MOLY 1406 safe for my differential?
Yes, its hypoid formula handles extreme pressure in differentials, preventing metal-on-metal wear for smoother, quieter operation.

Can I use it in cold climates?
Absolutely, the 75W rating ensures easy flowing at -40°C, protecting gears from startup damage.

How often should I change it?
Every 60,000 km for daily driving; check levels monthly and top up as needed to extend transmission life.