Bought a 2015 Keystone Montana Mountaineer 356TBF this week from camping world Myrtle Beach,SC. I currently have a 2013 F250 6.7l diesel with Firestone airbags and a B&W Companion 20k hitch (non slide...
If you are thinking 350 srw then you may want to first consider just adding the 350 rear spring pack to you 250. That is really the only mechanical difference in the two. And that can be accomplished for under $500...