Over 100 have looked at your post with no comments. I don't think a cummins conversion would be bad, they are a good motor. I wouldn't pay 35K for that one though. It looks pretty good!
The Mule-96 2WD F250 EC/LB auto PSD, semi-retired.
The old gray Mare 97 dually cc, rest in peace.
The Blue Ox 97 dually EC, all stock.