Mobilgard M50

Specifications

Brand

Mobil (ExxonMobil)

Category

Marine lubricants

Viscosity

SAE 40

Manufacturer code

201540109010

Availability

On order

Manufacturer's description

Mobilgard M50 is a premium, extra high performance 50 TBN engine oil designed for the most severe residual-fuelled medium-speed diesel applications in marine and stationary power industries. Formulated with the latest additive detergent technology, this market-leading trunk piston engine oil provides outstanding residual fuel compatibility for excellent engine cleanliness, especially in the crankcase, camshaft areas, ring belt and piston undercrowns, along with excellent high-temperature oxidation and thermal stability, low volatility, high load-carrying properties and corrosion protection. Mobilgard M50 suits most medium-speed trunk piston engine applications, including main propulsion and auxiliary engines on deep-sea vessels, main propulsion engines on coastal and river ships, and stationary power plants, and was developed using ExxonMobil's patented DAC (Detecting Asphaltene Contamination) Test. It is especially beneficial in engines with low crankcase oil consumption or low cylinder liner temperatures, where conventional lube oils have suffered reduced oil life and drain intervals from severe TBN depletion; its relatively high alkalinity reserves neutralise the strong acids from high sulphur fuels, and the product is also recommended for topping up existing oil charges with low TBN to raise them to an acceptable value. Mobilgard M50 has industry-leading thermal and oxidation stability, excellent TBN retention and resistance to viscosity increase over long operating periods, a high level of engine cleanliness and wear protection, and superior lube/fuel compatibility with easy separation from water.

Applications

• Mobilgard M50 oil can be used in most medium-speed trunk piston engine applications. It is 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 oil is the result of an extensive research and development program, incorporating ExxonMobil's patented DAC (Detecting Aspahltene Contamination) Test. Mobilgard M50 oil is designed to meet the needs of engines operating on heavy fuel. It is recommended for use in the latest model medium speed diesel engines and is especially beneficial in engines having low crankcase oil consumption or operating with low cylinder liner temperatures. In these engines, oil life and drain intervals have been significantly reduced when using conventional lube oils due to severe TBN depletion resulting from very low lube oil consumption. Relatively high alkalinity reserves in this oil provide superior 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. Mobilgard M50 is also recommended for topping-up existing oil charges with a low TBN value to raise them to an acceptable value.

Performance & benefits

• Excellent thermal and oxidation stabilityReduced deposits in piston undercrown and ring belt areas
• Improved anti-wear propertiesExtends the life of critical wear surfaces
• Advanced detergency/dispersancyClean camshaft and crankcase spaces
• Outstanding rust and corrosion propertiesProtects wear surfaces from water and acidic corrosion
• High Residual Fuel CompatibilityReduced sludge formation, longer oil life, cleaner engines
• Low volatility base stocksReduced lubricant consumption
• Excellent TBN Reserve and RetentionCombats fuel/combustion related corrosion and deposits

Fits

• Ships & vessels

Typical characteristics

Complete documentation

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• SDSEN
• SDSRO
• TDSEN