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Performance Oils

Co-branded, high performance gas engine oils.

Keep your Jenbacher gas engines running longer, cleaner and more reliably with Jenbacher S Oil 40 and Jenbacher N Oil 40. They were developed by our engine experts in collaboration with leading industry players Q8Oils and ExxonMobil.

The Jenbacher S Oil 40, developed for non-natural gas engine applications, together with Q8Oils, is built to perform in the most extreme operations conditions. The Jenbacher N Oil 40 for natural gas engine applications, has been developed together by the experts from Jenbacher and ExxonMobil, to keep your engines running longer, cleaner and more reliable.

Lubrication Management

Optimized operating fluids management is a prerequisite to your engine’s high availability and economic efficiency. In the video below, INNIO innovatively shows how to digitally capture oil sample on a Jenbacher engine. Our step-by-step guide details the new procedure for sampling and evaluation of the operating fluids using myPlant Performance.

Jenbacher N Oil 40 for natural gas

As technology leaders in the gas engine and lubrication sectors, INNIO Jenbacher and ExxonMobil continue a decade-long collaboration to meet your evolving natural gas engine lubrication needs. Jenbacher* N Oil 40, the first co-engineered and co-branded gas engine oil, can double your oil and filter life while reducing lifecycle costs by up to 30% (compared to reference oil). 

Formulated for all current and next-generation Jenbacher gas engines, Jenbacher N Oil 40 is just one more way INNIO Jenbacher is working to improve your engines’ reliability, productivity, profitability and sustainability.

Please click on this button to see the latest: ExxonMobil Safety Data Sheet  

Advantages of Jenbacher N Oil 40


Extend your oil and filter life by up to 100% while reducing lifecycle costs by as much as 30%. Available for INNIO Jenbacher’s Type 2, 3, 4, 6 and 9 engines, Jenbacher N Oil 40 improves dry lubrication properties for enhanced valve protection and enhances dispercency for cleanliness and soot handling. Our advanced solvency provides high-temperature deposit control, too. 

Specifically developed and carefully validated new used oil limits for Jenbacher N Oil 40 provide extended but still reliable oil drain intervals. 

Actual results may vary. 


Co-developed by INNIO Jenbacher and ExxonMobil since 2015, Jenbacher N Oil 40 has accumulated more than 160,000 hours of field validation with more than 100 units of long-term monitoring across multiple engine platforms. Our extensive field testing even proves the capability of sustaining performance within a high-severity gas engine fitted with thermally loaded steel pistons.


INNIO’s myPlant* Asset Performance Management solution can be used to monitor oil quality, oil consumption, exhaust gas temperature, oil change intervals and more. Analytics help predict oil lifetime and ensure your gas engines’ performance and protection. Additional specialized technical support is available through Mobil ServSM.

With online monitoring, you get longer drain intervals, extended condemning limits, an optimized base oil and additive package, and enhanced dry lubrication properties—all without compromising protection of critical engine parts and components.

Learn more about oil management from INNIO Jenbacher

With OEM spare parts from INNIO, you enable your engine to operate at its highest level. Now, you can maintain your lubricant correctly using our analysis, inspection and maintenance work instructions. Find all the details about the correct filling, draining and sampling methods on our customer portal.

Properties and Specifications

Grade SAE 40
Sulphated ash, mass%, ASTM D874 0.6
Density @ 15.6 C, g/cm3, ASTM D4052 0.88
Flash Point, Cleveland Open Cup, °C, ASTM D92 269
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 13.2
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 114
Pour Point, °C, ASTM D97 -18
Total Base Number, mgKOH/g, ASTM D2896 7.4
Viscosity Index, ASTM D2270 111

See the Press Release here.

For more information visit ExxonMobil´s Jenbacher N Oil 40 page here.

Jenbacher S Oil 40 for non-natural gas

A strategic partnership with benefits for our customers

Q8Oils and INNIO are combining strengths in a long-term partnership agreement for the global supply of lubricants for Jenbacher gas engines that operate on non-natural gas, including sewage gas, biogas and landfill gas.

The Q8Oils/INNIO partnership will increase knowledge sharing and facilitate faster and more innovative development in future. It continues our successful existing technology partnership of more than 20 years and will enable us to improve further the durability and efficiency of Jenbacher type 2, 3, 4 and 6 engines running on non-natural gas.

Frank Rouwens customer benefits

"We are delighted to partner with world-class engine producer INNIO, bringing together Q8Oils’ leading technology in gas engine lubrication and INNIO’s world-leading expertise in designing and building gas engines."

Frank Rouwens, General Manager Q8Oils

Q8 Oils logo

Andreas Kunz customer benefits

This partnership will be a key driver to continue to improve the performance of our non-natural gas engines in an environmentally friendly way."

Andreas Kunz, Chief Technology Officer, INNIO

 Key Features

  • Lower operational costs
  • Longer engine life
  • High TBN retention
  • Excellent protection and anti-wear properties
  • Exceptional Condemning Limits

Jenbacher S Oil 40: The high performance Jenbacher gas engine oil for non-natural gas 


Engine protection

  • High-performing stationary gas engine oil with an excellent oxidation stability and firstrate acid neutralization abilities.
  • Exceptional performance in operations with high H2S content gases.

Enhanced Technology

  • The superior additive technology protects the combustion chamber excessive deposit formation and provides an outstanding TBN-retention.

Extended drain

  • The latest additive technologies and premium hydrocracked base fluids provide maximal protection and engine cleanliness. This results in an extended drain interval and a significant reduction of the total operational costs.


Jenbacher S Oil 40 is a high-performing synthetic (hydrocracked) oil for stationary gas engines. This medium-ash product is specifically developed for engines running under severe conditions in non-natural gas applications (biogas, sewage, landfill, woodgas, etc.). Jenbacher S Oil 40 provides an increased drain interval (by on average 80% longer). The special used oil limits for this product provide a reliable operation with an extended oil drain, reducing life cycle costs significantly.


Jenbacher S Oil 40 is approved for the whole range of Jenbacher non-natural gas engines Type 2, Type 3, Type 4 and Type 6. Jenbacher S Oil 40 is approved for extended used oil limits following the Technical Instruction TA 1000-0099B (Limit levels for used oil in INNIO Jenbacher gas engines). For the latest approvals, check INNIO Jenbacher’s technical instructions TA 1000-1109.

Jenbacher S Oil 40 can be used for all series of Jenbacher engines Type 2, Type 3, Type 4 and Type 6, operating on various types of non-natural gases.







Q8 oils innio jenbacher s oil 40 pail Density, 15° C  D 4052 g/ml 0.862
Viscosity grade     SAE 40
Kinematic Viscosity, 40° C D 445 mm²/s 90.0
Kinematic Viscosity, 100° C D 445 mm²/s 13.4
Viscosity Index D 2270   150
Total Base Number D 2896  mg KOH/g 8.0
Pour Point D 97 °C -18
Flash Point, COC D 92 °C 258
Sulfated Ash D 874 % mass 0.79
Copper Strip 3h, 100° C D 130   1


The figures above are not a specification. They are typical figures obtained within production tolerances

oil life in innio jenbacher j320

For more information on Jenbacher S Oil 40  please visit Q8 Oils

© 2021 INNIO - INNIO and Jenbacher are trademark applications or registered trademarks of INNIO or one of its affiliates. © 2021 Kuwait Petroleum Corporation. Q8Oils is a registred trademark of Kuwait Petroleum Corporation.

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