Cummins issues their own set of requirements for service fill lubricants used in their engines.
Each individual specification is known by its CES (Cummins Engineering Standard) Number. Example “CES 20086.” There are multiple CES specifications each with different requirements and applications.
Cummins specifications often align or share many common characteristics with the North American American Petroleum Institute (API) standards. However, lubricants which only carry an API position are not sufficient for Cummins engine requirements and the Cummins handbook and recommended specification should always be referenced.
As stated by Cummins, CES numbers should not be considered sequential or to supersede previous numbers unless they have specifically stated so.
Cummins specifications can be claimed by oil marketers on a finished fluid after successful application has been progressed by the OEM.
Cummins only accepts applications through an electronic process, click here to access that system.
Always follow the handbook recommendation.
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