I have an 06 Ford gas MH and have gone all over the West..True, not the power of a diesel typically but no issues over the mtns..I also pull a 4K pound Jeep.....Just have to know up front you are not going to set any speed records going uphill..But, I rarely slow under 45 or so up the steepest grades..
Ford changed to the 3v higher HP/torque engine in 06......
Steve and Liz
Elko, Nv and San Diego, Ca
2017 Lance 1172
2016 F350 dually
2010 Jeep Wrangler