Mobilgard™ M20 Series diesel engine oils

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Mobilgard™ M20 Series diesel engine oils
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Technical resources
ExxonMobil launches Mobilgard™ M420 oil for medium-speed marine engines
ExxonMobil has launched Mobilgard™ M420, a 20 BN oil specifically for use in medium-speed engines using fuels that comply with the International Maritime Organization’s (IMO) global 0.50% sulphur ...
Guidance comes ahead of the International Maritime Organization’s (IMO) 2020 0.5 per cent global sulphur cap
The fuels landscape is set to dramatically change when the International Maritime Organization’s (IMO) 0.5 per cent sulphur cap comes into force on 1 January, 2020.
Guidelines for switchover to ExxonMobil marine lubricants
Learn about five different circumstances related to switching and mixing ExxonMobil marine lubricants.
Features and Benefits

Mobilgard M20 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 and in conjunction with Mobil Serv℠ Lubricant Analysis, leveraging ExxonMobil’s patented Detecting Asphaltene Contamination (DAC) testing, Mobilgard M20 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 antiwear 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

Mobilgard M20 Series, M420 by ExxonMobil is a premium, extra-high-performance 20 TBN engine oil designed for use in the residual, distillate and LNG-fuelled medium-speed diesel applications found in marine and stationary power industries. M20 Series is an extension to the outstanding Mobilgard M Series trunk piston engine oils and is specifically formulated to support the transition to lower sulphur fuels in light of fuel regulations.

High-performance additive detergent technology is utilised to provide outstanding residual fuel compatibility characteristics for excellent engine cleanliness, especially in crankcase, camshaft areas, ring belt and piston undercrowns. Mobilgard M20 Series oils also demonstrate excellent high temperature oxidation and thermal stability, low volatility, and high load carrying properties and corrosion protection across varying fuel grades.

  • Man ES
  • Wartsila
Industry Sectors
  • Cruise and Ferry
  • Inland and Coastal
  • Deep Sea Shipping Industry
  • Short Sea Shipping
Product Features
  • Corrosion protection
  • Enhanced Wear Protection
  • Extended Life
  • High Temperature
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