I have a 2015 F-350 supercab short bed 4x4 that I ordered in April.
Did not get the camper package or the 20" wheels.
My payload is listed as 4170.
I wish I had got the spray in bedliner as they do a good job for much less than after market.
We got the factory hitch package that is made by Reese.
Bought a Demco High Jacker Auto Slide hitch that drops right into the hitch, no adapters.
It is a towing beast, up the Sierra Nevada summit as fast as I wanted.
It does have an exhaust brake that is activated by pushing a button.
I bought ours from Corning Ford, they were great to deal with and the guy I dealt with knew his stuff.