Product Description

Mobilube S 80W-90 is an extra high performance drivetrain lubricant engineered to provide excellent  lubrication for state-of-the-art, heavy duty manual transmission components used in on-highway commercial vehicles and cars. Potential benefits include excellent shifting performance, good low temperature fluidity, and high temperature viscosity retention.  Mobilube S 80W-90 provides API GL-4/5 level performance.


Features and Benefits

Today’s technology has vastly improved the performance capabilities of on-highway vehicles in terms of load, speed, and control through inno-drivetrain designs. These designs have increased the requirements of components and lubricants to deliver a higher level of performance. For heavy-duty applications, friction control, wear reduction, thermal stability, shear stability, rust and corrosion inhibition, and seal protection are features that must be optimally balanced to contribute to long gear and synchroniser life, smooth shift control, fuel economy, and high load capability over a wide range of applications. Mobilube S 80W-90 delivers outstanding performance in current as well as older units. The key benefits include:

FeaturesAdvantages and Potential Benefits
Outstanding load carrying, anti-wear, and extreme pressure performanceHelps to promote long transmission life.
Excellent prevention of deposits and lacquer formationHelps to promote long seal life, extended drain, and service intervals
Excellent protection from corrosion of copper and its alloysHelps to promote long life of synchronisers and smoother shifting performance
Effective thermal and oxidation resistance at high operating temperaturesHelps to promote reduced wear and long component life
Excellent shear stabilityMaintains effective viscosity and film strength during severe operation
Good low-temperature fluidityEasier, smoother shifting and quicker starts


      Recommended by ExxonMobil for use in:

  • Cars, on highway light and heavy duty trucks, busses, and vans
  • Heavy duty automotive type drivetrains where API GL-4/GL-5 level performance is required

Specifications and Approvals

Mobilube S 80W-90 meets or exceeds the requirements of the following industry specifications:
API GL-5 / MT-1X
Scania STO 1:0X
SUZU Large Manual Transmission OilX


According to ExxonMobil, Mobilube S 80W-90 is of the following quality level:
ZF-TE-ML 07A/08X


Mobilube S 80W-90 has the following builder approvals:
MAN 341 Typ Z2X
MAN 342 Typ M2X
ZF-TE-ML 02B/05A/12L/12M/16B/17H/19B/21AX
MB-Approval 235.0X


Mobilube S 80W-90 is recommended by ExxonMobil for use in applications requiring:
Meritor O-76-DX
MAN 341 Typ E2X


MIL-PRF 2105E quality level, but not approved

Typical Properties

Mobilube S 80W-90
SAE Grade80W-90
Viscosity, ASTM D 445
cSt @ 40ºC144
cSt @ 100ºC15.0
Viscosity Index, ASTM D 2270105
Pour Point, ºC, ASTM D 97-30
Flash Point, ºC, ASTM D 92210
Density @ 15ºC kg/l, ASTM D 40520.90

Health and Safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @


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