Mobilgard M 430

Nhớt Động Cơ Mobilgard M 430
Mobilgard M30 Series
Diesel Engine Oils
Product Description
Mobilgard M30 Series (M330 and M430) by ExxonMobil are premium, extra high performance 30 TBN engine
oils designed for use in the most severe residual-fueled, medium-speed diesel engines used in marine and
stationary power applications. These diesel engine oils have been specially formulated to provide outstanding
residual fuel compatibility characteristics to deliver excellent engine cleanliness, especially in crankcase, camshaft
areas, ring belt and piston undercrowns. They provide excellent high temperature oxidation and thermal stability,
low volatility, high load-carrying properties and corrosion protection.
Features and Benefits
Mobilgard M30 Series oils have industry-leading 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
superior 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
Reduced deposits in piston undercrown and ring belt
Excellent thermal and oxidation stability
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
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 RFD (Residual Fuel Detection) 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 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
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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 40ºC 112 143
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
Health and Safety
Based on available information, this product is not expected to produce adverse effects on health when used
for the intended application, following the recommendations provided in the Material Safety Data Sheet (MSDS).
MSDSs are available upon request through your sales contract office, or via the Internet on 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 ExxonMobil logo and Mobilgard are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.
ExxonMobil Lubricants & Specialties
All products may not be available locally. For more information, contact your local sales office 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. Due to continual product
research and development, the information contained herein is subject to change without notification. Typical Properties may vary slightly.
© 2007 Exxon Mobil Corporation. All rights reserved.
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