Mobil Delvac CNG/LNG 15w-40 (Case of 4 - 1 Gal. Containers)

Mobil 121112

Mobil Delvac CNG/LNG 15W-40 commercial vehicle lube is an excellent choice for spark-ignited Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG) fueled bus and truck engines. This high-performance, heavy-duty engine oil meets or exceeds the requirements of Cummins CES 20085 and Isuzu CNG Engine Oil. Mobil Delvac CNG/LNG 15W-40 works well with Exhaust Gas Recirculation (EGR) systems, three-way catalysts and other emissions reduction systems. Using Mobil Delvac CNG/LNG 15W-40 in your bus or truck ensures improved engine cleanliness, durability and longevity. It provides outstanding wear protection, thermal and shear stability, plus oxidation and nitration control. Mobil Delvac CNG/LNG 15W-40 has extended drain interval capability, and it will also help prevent spark plug fouling and excessive valve recession.

Product Data Sheet

FeaturesAdvantages and Potential Benefits
Thermal Stability and Oxidation/Nitration Control Extended Drain Interval Capability
Advanced Wear Protection Helps Towards Long Engine Life
Effective Detergency/Dispersancy Engine Cleanliness
Optimized Ash Level Helps Protect Against Excessive Valve Recession and Spark Plug Fouling
Shear Stability Engine Durability

Mobil Delvac CNG/LNG 15W-40 is a high performance heavy duty engine oil formulated specifically for spark ignited CNG and LNG fueled truck and bus engines.

  • Spark ignited CNG/LNG fueled stoichiometric and lean-burn engines
  • Extended Drain Interval Capability
  • Compatible with Exhaust Gas Recirculation (EGR) Systems, Three Way Catalysts, and other emissions reduction systems
Mobil Delvac CNG/LNG 15W-40 meets or exceeds the requirements of:
Cummins CES 20085
Isuzu CNG Engine Oil


Mobil Delvac CNG/LNG 15W-40 has the following builder approvals:
Detroit Fluids Specification 93K216
Mobil Delvac CNG/LNG 15W-40 
SAE Grade 15W-40
Viscosity, ASTM D 445  
cSt @ 40ºC 114
cSt @ 100ºC 15.3
Viscosity Index, ASTM D 2270 140
Sulfated Ash, wt%, ASTM D 874 0.9
Total Base #, mg KOH/g, ASTM D 2896 6.4
Pour Point, ºC, ASTM D 97 -27
Flash Point, ºC, ASTM D 92 215
Density @ 15ºC kg/l, ASTM D 4052 0.871
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