Forum Discussion
Gripnriprod
May 31, 2013Explorer
The Duramax/Allison combo is hard to beat. One of the downsides for off-roading is the location of the DEF tank on the 2011+ models which can be mitigated with an after market guard. The Duramax is definitely quieter than the other options.
About Travel Trailer Group
44,029 PostsLatest Activity: Jan 21, 2025