Purchasing first TT, need a bit of sanity checking advice

nickthehunter wrote:
That's hyperbole, and mostly pure malarkey. Most towing charts for the last 20 years have accounted for a multitude of configurations. Here's 7 pages worth of configurations for the truck in question. Clicky

Crew cab 4x4 might be as high as 5887 depending on the trim package with a 940lb payload (that has to be a new record for minimalist payload).

That gets it down to a 200lb discrepancy and the OP already found at least part of that.