I’d be looking for a 2006-7 Duramax LBZ.

That’s not a knock on Dodge. I am just familiar with and confident in Duramax/Allison trucks, and an LBZ checks a lot of boxes.

"What we obtain too cheap, we esteem too lightly: it is dearness only that gives every thing its value. Heaven knows how to put a proper price upon its goods; and it would be strange indeed if so celestial an article as freedom should not be highly rated." Thomas Paine