Max tow is a bit more. Mine is rated for 6900 but you can get up to 7500 rating with diesel engine. I have the ecoboost engine but you could not get 4.10 gears which the non turbo got.
What I love about the ecoboost engine is that it doesn't give a sh*t if you are above 8000 ft loaded It just...
Why not look into a van? I love my transit 250. It tows, it carries things inside and I can set it up to sleep. There is an HD version with dual rear wheels.
Much cheaper to setup for sleeping than having to purchase an extra camper for a truck. The important thing is getting a light enough...