Mobil Delvac Modern 10W-40 Complete Protection

Mobil commercial-vehicle-lube , South Korea

Synthetic Technology

Product Description

Mobil Delvac Modern 10W-40 Complete Protection is an extra high performance diesel engine oil that helps extend engine life in severe on and off-highway applications while delivering excellent performance in modern, high-output, low-emission engines including those with Exhaust Gas Recirculation (EGR) and Aftertreatment Systems with Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs). Mobil Delvac Modern 10W-40 Complete Protection is recommended by ExxonMobil for use in a wide range of heavy duty applications and operating environments found in the trucking, mining, construction, quarrying, and agricultural industries. It meets or exceeds the requirements of the API CJ-4, CI-4 PLUS, CI-4 and CH-4 service categories.


Features and Benefits

Mobil Delvac Modern 10W-40 Complete Protection is formulated with optimized base oil and additive technology to provide a strong foundation for oxidation resistance, soot handing and wear control supplemented with excellent piston deposit protection and reduced sludge formation to help long engine life.



Advantages and Potential Benefits

Enhanced soot-viscosity control

Engine efficiency, long engine life and long oil life

Outstanding thermal and oxidative stability

Reduced low temperature sludge build-up and high temperature deposits

Good oil consumption control

Lower oil costs due to less make-up oil during operation

TBN reserves

Improved corrosion protection and long drain intervals

Stay-in-grade shear stability

Maintains viscosity in severe, high temperature service for greater wear protection and long engine life

Enhanced low temperature pumpability

Faster oil flow and reduced wear during engine start-up in low temperatures

Outstanding resistance to corrosive and abrasive wear

Long life of critical wear surfaces

Component compatibility

Long gasket, seal and after treatment device (DPF) life



Recommended by ExxonMobil for use in:


•Heavy duty diesel engines including Euro V/VI modern low emissions vehicles(1), utilizing technologies such as Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR), Continuously Regenerating Traps (CRT), Diesel Oxidation Catalysts (DOC) and Exhaust Gas Recirculation (EGR)

•On-highway heavy-duty trucking and off-highway including: construction, mining, quarrying, and agriculture.

•On-highway applications operating in both high speed/high load and short haul pick-up/delivery.


(1) Refer to your vehicle service manual for correct lubricant requirement and service intervals


Specifications and Approvals

This product meets or exceeds the requirements of:





Caterpillar ECF-3


Properties and Specifications



SAE 10W-40

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


Density @ 15 C, g/ml, ASTM D1298


Pour Point, °C, ASTM D97


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


Ash, Sulfated, mass%, ASTM D874


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


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 Korea Lube Oil Inc.

Level 22, Seoul Square bd., Hangang-daero, Jung-gu, Seoul, Korea


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
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.