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 pull a 31', 7700 GVW with a 2013 F150, 5.0. The ONLY problem I've found is the "P" rated tires have side wall flex causing a little sway. Not bad enough to change out otherwise good tires. When these tires wear out, I will replace with "LT".