On my recommended, thought you all might like this.
The 5.9 was sold in Dodge pickups starting in 1989, not the late 90's. The B Series engines were not developed with Intrashnational, and thank goodness for that! It was an industrial engine, and the marine versions were turned up some, but to say they were de-tuned is a bit much.
While I do believe the 6.7 is not overbuilt like the 5.9, there are plenty of 6.7s in commercial service with that kind of mileage. There is a hotshotter on TDR with a 2018 4500 approaching 200K miles, and his prior 6.7 was sold with almost 400K and is still going. The only 6.7s that were really troublesome were the pre-DEF, heavy EGR versions 2007-2012(?), when Cummins stepped on their **** trying to avoid DEF. There are plenty of guys with tuned Third Gens that have bought Fourth and 4.5 Gen trucks and say they outpull tuned 5.9s. My '05 was all stock, and I can honestly say my '19 pulls better than my '05, which was a great truck, would ever dream of.
Last edited: