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3.9l cummins oil pressure specs

R

rioncrsn

Well-Known Member
Joined
Sep 21, 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
 
S

sheepfoot

Senior Member
Joined
Feb 16, 2008
Messages
1,259
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.
 
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