The DW and I get along quite well in a 24 ft 5000 lb TT with slide.
As you will soon hear it is not what your truck can pull, it is what it can carry.
You will run out of cargo capacity before you run out of towing capacity.
Twenty six foot 2010 Dutchmen Lite pulled with a 2011 EcoBoost F-150 4x4.
Just right for Grandpa, Grandma and the dog.