oil for cummins 8.3
I have a Monaco diplomat with a cummins 8.3L I was told to use Rotella 15-40 W Can I use Rotella 5-40w synthtic
Forum Discussion
I have been using Rotella synthic in my Cummins 5.9L for the last 150,000 miles and have had zero issues. I change it twice a year.
