So it's going to vary a bit depending on how you have your truck optioned out. I have the Tradesman Crew Cab, 6'4" Bed, 4x4, and a 3.92 rear end.
Using Ram's site this gives me 1,300# payload and 8,700# towing. Swapping out to the V8 gives 1,510# payload and 10,200# towing.
The lower payload...