Forum Discussion
larry_cad
Jan 01, 2020Explorer II
One other thought, and as mentioned above, the new ISB has a lot of pollution control and requires DEF which is a pain. That is to me, a BIG disadvantage over your Newmar. You have extra cost for the DEF, and you will need to carry a spare container with a few gallons in case you run out.
About Motorhome Group
38,764 PostsLatest Activity: Dec 23, 2025