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Jenbacher S Oil 40

The new Jenbacher S Oil 40 - Built to perform in the most extreme operations conditions.

  • Q8Oils

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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