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Operating Conditions Will Significantly Change In Three Ways
Due to the requirements of the new engines, lubricant requirements and operating conditions will significantly change in three ways:
Change #1
Higher operating temperatures as a result of increased use of EGR
Change #2
High soot levels as a result of EGR
Change #3
Compositional limits on oil (limits on sulfated ash, phosphorous, sulfur)
To account for this, CJ-4 oils will be significantly better in:
- Wear control
- Deposit control
- Oxidation stability (resistance to breakdown at high temperatures)
Available by October of This Year
CJ-4 oils will be required to be available by October of this year. Some OEMs, such as Cummins and Mack, are likely to launch their low-emission engines requiring API CJ-4 oils ahead of the mandatory requirements.
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