Super Tractor Oil Universal (STOU) Lubricant

Mobil Agri Super 15W-40 is a high performance, multi-functional lubricants for most farm equipment application. This STOU lubricant provides good performance in diesel and gasoline engines, transmissions, hydraulics, final drives, and oil-immersed brakes operating in agricultural service. Mobil Agri Super is recommended for use in a wide range of heavy-duty applications and operating environments found in the farming industry.

Features and Benefits

Agricultural enterprises employ a wide variety of equipment requiring multi-functional lubrication performance. The engineering in Mobil Agri Super 15W-40 meets the diverse lubrication requirements of this equipment which reduces the number of lubricants required and the possibility of misapplication. The key benefits include:

Features Advantages and Potential Benefits
Good thermal and oxidation stability Reduced sludge build-up and high temperature deposits
TBN reserves Improved deposit control
Good rust and corrosion protection Reduced wear and long equipment life especially in hydraulic components
Effective detergency/dispersancy Cleaner engines and long engine life
High temperature viscosity retention and volatility control Reduced engine scuffing, bore polishing, and oil consumption
Unique frictional and load carrying properties Increased power, improved power train performance, and elimination of chatter in wet brakes
Low temperature pumpability and performance Easier engine start-up, reduced wear in critical valve train, and good hydraulic response
Component compatibility
Multipurpose product
Longer gasket and seal life
Reduces inventory and chance for misapplication


  • Mixed diesel and gasoline-powered farm vehicles and equipment
  • Farm equipment transmissions and power systems requiring multifunctional fluid

Specifications and Approvals

Mobil Agri Super Multigrades has the following builder approvals: 15W-40
ZF-TE-ML 06B/07B X
Mobil Agri Super Multigrades are recommended by ExxonMobil for use in applications requiring: 15W-40
Allison C-4 (Agriculture Applications Only) X
Massey Fergusson MF 1139, 1144, 1145 X
Caterpillar TO-2 X
John Deere J27 X
Ford New Holland M2C 159B X

Typical Properties

Mobil Agri Super Multigrades  
SAE Grade 15W-40
Viscosity, ASTM D 445  
cSt @ 40ºC 96.0
cSt @ 100ºC 14.2
Viscosity Index, ASTM D 2270 140
Sulfated Ash, wt%, ASTM D 874 1.5
Total Base # , mg KOH/g, ASTM D 2896 11.2
Pour Point, ºC, ASTM D 97 -30
Flash Point, ºC, ASTM D 92 220
Density @ 15ºC kg/l, ASTM D 4052 0.88

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 on (insert Internet address here).  This product should not be used for purposes other than its intended use.  If disposing of used product, take care to protect the environment.


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