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3.9l cummins oil pressure specs

Discussion in 'Excavators' started by rioncrsn, Jan 20, 2013.

  1. rioncrsn

    rioncrsn Well-Known Member

    Joined:
    Sep 22, 2011
    Messages:
    51
    Location:
    south carolina
    Wondering if anyone knows what the oil pressure is suppose to be on a 3.9 cummins. It's in a 1999 kobelco. Brand new engine! Thanks for any help
     
  2. joeblow

    joeblow Well-Known Member

    Joined:
    Jan 13, 2013
    Messages:
    88
    Occupation:
    Retired
    Location:
    Victoria B.C.
    What have you got?
     
  3. sheepfoot

    sheepfoot Senior Member

    Joined:
    Feb 17, 2008
    Messages:
    1,212
    Location:
    wilmington nc
    Most of the older 3.9 cummins ran about 42 to 55 psi engine hot. Most of my specs are before 1994, hope this helps.