May 20, 201015 yr most likely a Dana 60...although randy's say a Dana 44 is possible. http://www.ringpinion.com/DiffList.aspx?SearchMode=Make&MakeID=1&ModelID=208&Side=Front
May 20, 201015 yr http://dodgeram.org/tech/specs/axle/axlespecs.html Dana 60 9.75" (right hand column of specs on that site)
I got an 01 2500. Want to know what front axal I have?