I have a 98 and it has the 3:55 differential in it. I haven't had an instance where I lacked the power going over passes in Colorado running 16-17,000 pounds. My buddy has a 2003.It can out pull mine,but not by much .

Here is a good web site for Dodge info.

https://www.genosgarage.com/

If God wanted you to walk and carry things on your back, He would not have invented stirrups and pack saddles