My 2022 Big Horn 3500DRW/ Crew Cab Long Bed CTD/HO/Aisin 4.10 has a payload of 4847lbs. That's with the 5th wheel prep, hitch, steps, spray in bed liner, 50 gallon fuel tank and all other options as installed at the factory. As you can see all of these eat into the payload quickly. I have a 17K...