Mobil Delvac Super 20W50

Mobil Delvac Super 20W-50 is a high performance, heavy duty engine oil that provide proven protection to diesel engines operating in severe on and off-highway service applications.  Mobil Delvac Super 20W-50 is recommended by ExxonMobil for use in a wide range of heavy duty applications and operating environments found in the trucking, construction, and agricultural industries.   It is also suitable for gasoline engines.

Features and Benefits

The key benefits include:

Features  Advantages and Potential Benefits 
Thermal and oxidation stability  Controls sludge build-up and deposits 
Excellent detergency/dispersancy  Cleaner engines and longer engine life 
Stay-in-grade shear stability  Helps reduce oil consumption and wear 



       Recommended by ExxonMobil for use in:

  • Diesel-powered equipment from leading diesel engine manufacturers
  • On highway light and heavy duty trucking
  • Off highway industries including: trucking, construction, quarrying, and agriculture
  • Mixed diesel/gasoline engine fleets


Specifications and Approvals

Mobil Delvac Super 20W-50 is recommended by ExxonMobil for use in applications requiring: 20W-50 


Typical Properties

Mobil Delvac Super 20W-50  
SAE Grade 20W-50
Viscosity, ASTM D 445  
cSt @ 40ºC 148.9
cSt @ 100ºC 17.6
Viscosity Index, ASTM D 2270 129.8
Sulfated Ash, wt%, ASTM D 874 1.0
Total Base # , mg KOH/g, ASTM D 2896 8.4
Pour Point, ºC, ASTM D 97 -30
Flash Point, ºC, ASTM D 92 220
Density @ 15ºC kg/l, ASTM D 4052 0.88