Over 5000 lbs. dry would be better served by a F-250 sized vehicle.
I have an e-boost F-150 and my 5004 lb. dry weight TT when loaded for the road will max out my TV.
Twenty six foot 2010 Dutchmen Lite pulled with a 2011 EcoBoost F-150 4x4.
Just right for Grandpa, Grandma and the dog.