Mobilube GX-A 80W

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Mobilube GX-A 80W

Product Description

Mobilube GX-A 80W is an automotive gear lubricant formulated from high performance base oils and an advanced additive system. This lubricant is engineered for commercial transmissions, axles, and final drives where protection against wear and scoring is required. It is recommended by ExxonMobil for use in Mercedes Benz applications where MB-Approval 235.1 is required and in applications where API GL-4 service is required.

Features and Benefits

Today’s drivetrain applications place higher performance demands on lubricants. Higher speeds, higher torque, and heavier loads require improved formulations to maximise equipment life and optimise operating costs. Longer service intervals place additional demands on the gear lubricant requiring effective basestock and additive systems. Mobilube GX-A 80W is engineered to meet these challenges. The key benefits include:

Features Advantages and Potential Benefits
Good thermal stability and resistance to high temperature oxidation Long gear and bearing life due to minimal deposits
Long seal life
Excellent rust and corrosion protection Long component life
Good low temperature lubrication Reduced wear at start-up and ease of start-up
Compatible with typical automotive seals and gaskets Minimum leakage and reduced contamination


Recommended by ExxonMobil for use in:

  • Manual transmissions and drive axles requiring API GL-4 level performance
  • Passenger cars, onhighway light and heavy-duty trucks and commercial vehicles
  • Off-highway industries including: construction, quarrying, and agriculture
  • Other industrial, commercial, and automotive applications including hypoid gears operating under moderate to severe operating conditions

Specifications and Approvals

Mobilube GX-A 80W meets or exceeds the requirements of the following industry and builder specifications:

Mobilube GX-A 80W has the following builder approvals:
MB-Approval 235.1 X

Mobilube GX-A 80W is recommended by ExxonMobil for use in applications requiring:
MAN 341 Typ Z1 X

Typical Properties

Mobilube GX-A 80W
SAE Grade 80W
Viscosity, ASTM D 445
cSt @ 40ºC 76
cSt @ 100ºC 10.0
Viscosity Index, ASTM D 2270 104
Pour Point, ºC, ASTM D 97 -30
Flash Point, ºC, ASTM D 92 216
Density @ 15ºC kg/l, ASTM D 4052 0.89

Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS’s are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.


It cannot be guaranteed that the product information given above is up to date. For the latest version of the Product Data Sheet we refer to the product library of ExxonMobil.