I know the rearend in my truck is a "G80" but what is that? What size is it and who makes it?


Also, what rear end comes in the SRW Dodge Cummins?


TIA

Try this link:


http://automotive.eaton.com/product/traction_stability/lockingdiff.html


I believe they are 11.5 inch in the 3500 and 2500HD trucks.


Can't help you with the Dodge info.