85 F-250, 4x4, 4 speed manual, diesel, stock wheels and tires, one full tank, one occupant (250 Lbs) dock rear bumper with additional class 4 tow hitch, spare tire, assorted cab junk, empty bed = 6020 Lbs.
I usually ( but not when weighed) have a heavy shell, a 200 Lbs 8 foot bed slid-out, tool...