Mobil Delvac™ CNG/LNG 15W-40

Mobil commercial-vehicle-lube , Norway

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

Product Description

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. 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.


Features and Benefits


Advantages 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


Specifications and Approvals

This product has the following builder approvals:

Detroit Fluids Specification 93K216


This product is recommended for use in applications requiring:



This product meets or exceeds the requirements of:

ISUZU CNG Engine Oil


Properties and Specifications




SAE 15W-40

Ash, Sulfated, mass%, ASTM D874


Density @ 15 C, g/cm3, ASTM D4052


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


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


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


Pour Point, °C, ASTM D97


Total Base Number, mgKOH/g, ASTM D2896


Viscosity Index, ASTM D2270



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.


Mobil Oil AS
Drammensveien 149, Postboks 350 Skøyen
N-0213 OSLO

(+47) 22 66 30 30

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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