So not going to get in a oil war on the forum.. I did that a Few times in the Marines.
So if the OP hasn’t looked, Go to Liquid Moly website and see if you can even find under oilapplication Ram/dodge trucks with a cummins.
For whatever reason they only show gas engines and show onlyup to 2009 years.
After looking at the synthetic diesel oil 5w/40 and couldnot see anywhere that this oil is compatible with any diesel EGR/DPF emission system.
I have used this brand of oil and Eneos oil when I havechanged past girlfriend(s) car oil, Volkswagen, BMW due to the Euro/oil specsblah blah.