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- Wed Aug 10, 2022 10:18 am
- Forum: Drivetrain
- Topic: CAT 3126B oil change interval
- Replies: 10
- Views: 14783
Re: CAT 3126B oil change interval
I agree 5000 miles or once a year with conventional oil . I have 4000 miles after a year and changes it . Oil looks dark . I do start it once a month .Side note I just changed my fuel filters and found out the truck service company that I when to a year ago put in filters with a 6 micron rating on t...