Posted 8/6/2026 16:57 (#11720762 - in reply to #11720654) Subject: RE: 855 Cummins losing oil pressure
Mount Vernon, WA
olivetroad - 8/6/2026 12:04
Bern - 8/6/2026 14:00
How low is low? Cummins typically run lower pressure than most other manufacturers and get away with it. I would not be afraid of 35 PSI at working speeds.
More like 10-15ish.
10-15 PSI at working speeds is shutdown time for me.