Purpose and Specifications

Mobil 127732 is a high-performance 80W-90 transmission oil designed for heavy-duty gearboxes, axles, and final drives in trucks, cars, and off-road equipment. This 20-liter container delivers exceptional protection against wear, rust, and corrosion, ensuring smooth gear shifts and longer component life under extreme pressures and shock loads.

• Flows easily in cold starts down to -26°C for reliable performance in winter conditions
• Stays stable at high operating temperatures up to 150°C, preventing breakdowns during heavy towing or hauling
• Recommended replacement every 50,000-100,000 km or 24-36 months, depending on vehicle usage
• Shelf life of 5 years when stored properly in a cool, dry place

When to Use / Replace?

Use Mobil 127732 in manual transmissions, differentials, and hypoid gears where API GL-5 performance is required, including heavy-duty trucks, construction machinery, and agricultural vehicles. Replace if oil appears dark, gritty, or smells burnt, or during routine service to avoid costly repairs.

Practical benefits: Reduces maintenance costs, improves fuel efficiency with smoother operation, and extends gearbox life by minimizing low-speed wear and high-heat damage.

Frequently Asked Questions

Is Mobil 127732 suitable for my truck's manual gearbox?
Yes, it's ideal for heavy-duty manual transmissions and axles in trucks and commercial vehicles requiring GL-5 protection.

How often should I change this transmission oil?
Change every 50,000-100,000 km or 2-3 years for normal use; more frequently for severe conditions like towing or off-road driving.

Can it handle extreme temperatures?
Absolutely - performs in cold down to -26°C and stays thick in heat up to 150°C for year-round reliability.