Mobilux EP 111  

Mobil Grease, United States


Product Description

Mobilux EP 111 is an extra high performance grease primarily designed for lubrication of all AGMA CG-3 couplings. It is specifically formulated to help protect against wear even in heavily loaded misaligned low speed gear couplings. Mobilux EP 111 is a lithium hydroxystearate grease formulated with an extremely heavy, viscous mineral base oil. Mobilux EP 111 also contains an oil soluble molybdenum additive, as well as a very effective corrosion inhibitor. It is an NLGI 1 Grade grease.

Mobilux EP 111 has shown excellent performance and protection in a broad range of industries. Based on its longstanding performance capabilities, this grease has become the product of choice for many users.


Features and Benefits

The Mobilux brand of products is well known and highly regarded world-wide based on their very good performance over an extended period. The excellent qualities of one of these lubricants in this family, Mobilux EP 111, have made it the choice of many users.

Mobilux EP 111 enjoys an excellent reputation in the lubrication of all types of heavily loaded couplings in a wide variety of applications, and offers the following advantages and potential benefits:

FeaturesAdvantages and Potential Benefits
Very good viscometrics and wear protectionExtended coupling protection and coupling life: helping to reduce maintenance replacement costs
Resists oil separationLess oil leakage helping to reduce lubricant consumption
Good high temperature stabilityLong grease life helping extend relubrication intervals 
Good resistance to rust and corrosionMaintains grease performance even in presence of water



Mobilux EP 111 is recommended for all types of heavily loaded lubricated couplings. Mobilux EP 111 has a recommended operating temperature range of -10 to 120º C. Mobilux EP 111 has performed very well in the following applications:

  • Gear and grid couplings
  • Spring and slipper joint couplings
  • Spindle (gear) and chain couplings
  • Low speed open gears and plain bearings


Specifications and Approvals

Mobilux EP 111 meets or exceeds the requirements of: 


Typical Properties

Mobilux EP 111 
NLGI Grade1
Thickener TypeLithium
Color, VisualBlack
Penetration, Worked, 25º C, ASTM D 217325
Dropping Point, ºC, ASTM D 2265180
Viscosity of Oil, ASTM D 445 
cSt @ 100º C45
Timken OK Load, ASTM D 2509, lb50
Four- Ball Wear, ASTM D 2266, mm0.4
Four Ball Weld Load, ASTM D 2596, kg315
Corrosion Prevention, ASTM D 1743Pass


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.

The Mobil logotype, the Pegasus design and Mobilux are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.


Exxon Mobil Corporation
22777 Springwoods Village Parkway
Spring TX 77389

1-800-ASK MOBIL (275-6624)

Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification. Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations. The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.