Since you are looking for a super compact rig....
Another option to consider is a
Phoenix Cruiser model
2350 but special order it on an E450 (over-kill for that motor home), special order a 10,000# hitch, special order the
4x4 Quigley Option install heavy duty front and rear stabilizer bars and a rear trac bar, and you'll have about the same investment as a low end Super C but a 4x4 that is more compact & friendly to drive.
It would need a little research and discussion with Phoenix USA, but they might be able to get you that unique rig you seek, at a price you can afford. They might quote you a wild guess of less than $125k.