Looking at 2017 F150 XLT Super Crew with the 3.5 V6 GTDI Eco Boost and new 10 speed. It looks like it can tow and has the payload for our 30' Heritage Glen with dry weight of 6400 and 7500 with gear, ...
I went from pulling our 30 ft 8000 lb gross TT with a 5.4l V8 in our Expedition to 3.5l V6 in a F150. We were at the limits (maybe slightly over) with the Expy. It could not maintain speed on any but the slightest grades. With the F150, I had enough power to pass on most hills if I needed it. It sounds strange that a V6 could outpower the V8 but really did.
I would also strongly suggest the max tow package.