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Oil Change interval 5.9 Cummins

watglen ยท 2013-10-21 20:27

Hi guys, I have a couple 5.9's and I am wondering how often to change the engine oil. Manual calls for 12000 kms iirc. I have always tried to get in around 5000 kms, but do I really need to do it that often? I run caseIH No.1 15w40. Trucks mainly used for running to site and back morning and night. Site is 45 mins away. Thanks for your input. Ken

Replies2
  1. #1denver m farms2013-10-23 21:47

    I change the oil in my 5.9 and 6.7's at about 5000 to 6000 miles, I'm not sure how many Km's that is.

  2. #2Wink08182013-10-24 19:06

    We change ours every 5000 miles, 490,000 miles later not a problem get