Well, the truck is being ordered next week. Here is what I ended up with:
F350 Supercab DRW 6.7L Turbo Diesel 4WD with 4.1 ratio and a 397amp alternator. 10 speed automatic
It has 17" tires and a 35gal fuel tank, both of which you cannot upgrade
I got the towing package and the 14,000 GVWR package. Trailer TPMS & Camera system. 5th wheel puck system. Adaptive steering.
Thanks to all of you, I did not buy the wrong truck
This massive beast is setting me back a bundle but I know I will not need a new truck for awhile even if my towable changes.
Thank you, Thank you, Thank you.
Karel