Mobil Delvac CNG/LNG 15w-40 (55 Gal. Drum)

Mobil 121114

Specially engineered for spark-ignited CNG- and LNG-fueled truck and bus engines, Mobil Delvac CNG/LNG 15W-40 is a high-performance, heavy-duty engine oil that offers exceptional performance and extended drain interval capability in the demanding operating environments presented by Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG). Mobil Delvac CNG/LNG 15W-40 is compatible with Exhaust Gas Recirculation (EGR) Systems, three-way catalysts and other emissions reduction systems. Mobil Delvac CNG/LNG 15W-40 provides advanced wear protection, with highly effective detergency and dispersancy to maintain engine cleanliness. Its optimized ash level safeguards against 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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