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Mobilgard™ M30 Series diesel engine oils

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Features and Benefits

Mobilgard M30 Series oils have high performance thermal and oxidation stability. They have excellent TBN retention and resistance to viscosity increases over long operating periods. They also promote a high level of engine cleanliness with protection against wear. Compared to other medium speed engine oils, they have excellent lube/fuel compatibility and separate easily from water.

When used as recommended, Mobilgard M30 Series oils provide the following benefits:

Features Advantages and Potential Benefits
Excellent thermal and oxidation stability Reduced deposits in piston undercrown and ring belt areas
Improved anti-wear properties Extends the life of critical wear surfaces
Advanced detergency/dispersancy Clean camshaft and crankcase spaces
Outstanding rust and corrosion properties Protects wear surfaces from water and acidic corrosion
High Residual Fuel Compatibility Reduced sludge formation, longer oil life, cleaner engines
Low volatility base stocks Reduced lubricant consumption
Excellent TBN Reserve and Retention
Combats fuel/combustion related corrosion and deposits

 

Applications

Mobilgard M30 Series oils can be used in most medium-speed trunk piston engine applications. They are recommended for use in main propulsion and auxiliary engines on deep-sea vessels; in main propulsion engines on coastal and river ships; and in stationary power plants. This new Series of oils is the result of an extensive research and development program, incorporating ExxonMobil's patented DAC (Detecting Aspahltene Contamination) Test.

Mobilgard M30 Series oils are designed to meet the needs of engines operating on heavy fuel. They are recommended for use in the latest model medium speed diesel engines and are especially beneficial in engines having low crankcase oil consumption or operating with low cylinder liner temperatures. Relatively high alkalinity reserves in these oils provide excellent protection in neutralising the strong acids resulting from the use of high sulphur fuels that find access to the crankcase to promote oil degradation and ring, cylinder, and bearing corrosion.

Typical Properties
  M330 M430
SAE Grade 30 40
Specific Gravity at 15ºC 0.907 0.907
Flash Point, ºC, ASTM D 92 244 250
Pour Point, ºC, ASTM D 97 -6 -6
Viscosity, ASTM D 445    
cSt, at 100ºC 12.0 14.0
TBN, mg KOH/g, ASTM D 2896 30 30
Sulphated Ash, wt%, ASTM D 874 3.8 3.8

 

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Industry Sectors
  • Short sea shipping
  • cruise and ferry
  • inland and coastal
  • deep sea shipping industry
Product Features
  • Extended Life
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