Mobil commercial-vehicle-lube , United States

High Performance Heavy Duty Engine Oil for Spark Ignited CNG and LNG Fueled Trucks and Buses

Product Description

Mobil Delvac Modern 15W-40 CNG/LNG is a high performance heavy duty engine oil formulated specifically for spark ignited CNG and LNG fueled truck and bus engines. It provides excellent performance in the challenging operating environments presented by CNG (Compressed Natural Gas) and LNG (Liquefied Natural Gas) and offers extended drain interval capability.


This product is backwards compatible to CES 20085.


Features and Benefits


Advantages and Potential Benefits

Thermal Stability and Oxidation/Nitration Control

Advanced Wear Protection

Effective Detergency/Dispersancy

Optimized Ash Level

Shear Stability

Extended Drain Interval Capability

Helps Towards Long Engine Life

Engine Cleanliness

Helps Protect Against Excessive Valve Recession and Spark Plug Fouling

Engine Durability



Mobil Delvac Modern  15W-40 CNG/LNG 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


Specifications and Approvals

This product meets or exceeds the requirements of:

Cummins CES 20092


Properties and Specifications



SAE 15W-40

Viscosity Index, ASTM D2270


Total Base Number, mgKOH/g, ASTM D2896


Pour Point, °C, ASTM D97


Ash, Sulfated, mass%, ASTM D874


Density @ 15 C, g/ml, ASTM D1298


Flash Point, Cleveland Open Cup, °C, ASTM D92


Kinematic Viscosity @ 100 C, mm2/s, ASTM D445


Kinematic Viscosity @ 40 C, mm2/s, ASTM D445



Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


Exxon Mobil Corporation
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Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification. Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations. The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
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