Huh. So, it *is* "Heavy Duty"
payload for your truck is 2800. for mine is 1300. for a 3500 it is about 3500-4klbs with single rears, and about 4700-5k lbs for duallys.
http://www.dodge.com/bodybuilder/200...r/mlup3500.pdf
http://www.dodge.com/bodybuilder/200...r/mlup3500.pdf



