Long RANT
In theory, it is possible to get an F150 with payload >3k lbs/GVWR >7,850 lbs, GAWR F 3,400lbs, R 4,800lbs. But that requires:
Regular Cab Long box 4x2 with HDPP (Heavy Duty Payload Package - which includes heavy frame, 18" LT tires & 9-3/4" rear axle).
It has to be an XL, with...