Mobilgard 412 (208 litres)


Mobilgard™ 12 Series by ExxonMobil are high performance diesel engine oils developed for use in trunk piston engines operating on low sulphur distillate fuels in marine and industrial applications. They are formulated to have excellent resistance to oxidation and viscosity increase over a long period of service. They have superior water separating properties and provide excellent corrosion protection.

Features and Benefits

Mobilgard 12 Series is formulated with base oils having proven successful performance in diesel engines. The additive system is balanced to provide excellent resistance to thermal degradation under moderately severe operating conditions. They also provide good engine cleanliness and superior wear protection.

When used as recommended, Mobilgard 12 Series oils provide the following features and potential benefits:


Features Advantages and Potential Benefits
Excellent thermal and oxidation stability Extended periods between inspections, overhaul and cleaning
Improved antiwear properties Reduced ring and liner wear
Excellent TBN reserve and retention Increased protection against corrosive wear
Excellent detergency/dispersancy properties Increased oil service life

Cleaner engines


The Mobilgard 12 Series diesel engine oils are intended for use as cylinder and bearing lubricants in marine and industrial diesel engines operating on distillate fuels or light fuel blends. They are particularly effective in high speed engines in fishing fleets; in new, severe service engines; and in many types of medium speed engines. They may be used as crankcase lubricants in large crosshead type diesel engines operating on high sulphur fuels.

Properties and Specifications

Property 312 412
Grade SAE 30 SAE 40
Ash, Sulfated, wt%, ASTM D874 2.1 2.1
Flash Point, Cleveland Open Cup, °C, ASTM D92 266 272
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 12 14.5
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 108 142
Pour Point, °C, ASTM D97 -9 -9
Specific Gravity, 15.6 C/15.6 C, ASTM D4052 0.896 0.899
Total Base Number, mgKOH/g, ASTM D2896 15 15
Viscosity Index, ASTM D2270 100 100


Additional information

Weight 208 kg