Purpose and Specifications

Mobil 143870 Transmission Oil SAE 80W is a premium gear lubricant designed for heavy-duty manual transmissions and axles. It delivers smooth shifting, superior wear protection, and long gear life even under high loads and extreme temperatures from -30°C to over 150°C.

This oil meets key approvals like ZF TE-ML 17A, 08, MB 235.1, 235.14, and API GL-4, making it ideal for trucks, buses, construction equipment, and off-road vehicles. Its advanced formula resists breakdown, reduces friction for better fuel economy, and protects seals to prevent leaks.

• Smooth gear changes in all weather conditions
• Extends transmission life up to 500,000 km with proper maintenance
• Handles heavy towing and steep grades without overheating
• 20-liter container for fleet service or large jobs

When to Use / Replace?

Use Mobil 143870 in non-synchronized manual transmissions, axles, and differentials requiring GL-4 performance. Perfect for Mercedes, ZF, and other European heavy-duty specs. Replace every 100,000-200,000 km or 24 months in severe service like mining or construction; check fluid level monthly and inspect for metal particles.

Shelf life is 5 years unopened when stored cool and dry. Compatible with standard seals for easy upgrades from conventional oils.

FAQ

Q: Can I use this in my truck's manual gearbox?
A: Yes, if it specs ZF TE-ML 17A or MB 235.1 approval - provides smoother shifts and longer life than standard oils.

Q: How often should I change it?
A: Every 150,000 km for highway use, or sooner (80,000 km) for off-road/heavy loads to maintain protection.

Q: Will it work in cold winters?
A: Absolutely, flows easily down to -30°C for quick startups and reduced wear.