Ford E450 chassis - excellent engine/trans match - was a dream in Colorado @14k elevation and Arkansas mountains - climbs, descents and switchbacks! Auto downshift is great!

Purchased new and have used ever since - never stored or sat long. 
Still in use - currently has 26k miles. 
Made some modifications after Warranty. 

Model/Floorplan 26DS (double slideout) features:
Bedroom Slide - Master Queen bed - folds in half (have never felt the joint) 
Living Room Slide - refrig and recliner loungers - frig always accessible
‘J’ lounge dinette has many uses plus under storage
1 AC with heat pump
Good window placement for full views
Equalizer brand electric stabilizer legs (4)
Dometic Electric/propane absorption refrigerator with ARP Fridge Defend System Installed
TST Tire Pressure Monitoring System (TPMS) 507 Series Color display
Dual battery bank with monitoring setup and display 
4kw gas generator @ 322 hours

Slight cosmetic hail damage on hood