Forum Discussion
jabres
Jun 10, 2017Explorer III
Thanks for all the responses! When you guys talk about rear axles and such, are all the newer ones built with the 4.10 rear ends , or 3.73 (on both the 2500HD AND 3500HDS)? My 2007 classic GMC has the 4.10s, and I wouldn't want to step back into the 3.73.
About Travel Trailer Group
44,052 PostsLatest Activity: Oct 25, 2025