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Old 11-10-2021, 04:31 PM   #1
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Oil change interval on ISB6.7

Per the Cummins manual, the oil change interval is 15,000 miles, or 12 months, whichever comes first.
But, if you are putting significantly fewer miles than 15,000 on your coach each year, at what interval are most of you actually changing the oil?
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Old 11-10-2021, 04:36 PM   #2
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I change mine annually along with the Oil and Fuel filter.
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Old 11-10-2021, 04:59 PM   #3
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annually if I put more than 2000 miles on in that year. I put on 13,000 this year.
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Old 12-02-2021, 03:04 PM   #4
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Annually so far......pretty new owner. Planning to change it this weekend.
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oil change

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