Found this document in vehicle. Notice the shipping weight of 8623. If I do a little math 12300 - 8623 = 3677 cargo. However, my payload sticker says 3682. This tells me a few things one being the payload does not account for a driver, passenger(s) or full tank of fuel, if anyone thinks cargo value excludes this in its value. I will eventually weigh truck after I get all my personal stuff, hitch, bed cover, etc to confirm weights for towing, but happy with payload for SRW 3500. My 21 F-450 only had 4600 lbs payload (although that was more on paper as equipment ratings were far above this).
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