Don't really see why it wouldn't work. Early Broncos, some Isuzus, and other SUV's had tub mounted tire swings. It would require more beef on the tub mounts.
As far as getting to the lower hinge to add a backing plate just go through the under side of the wheel well. Possible relocation of the vac can if it is there and needed to be moved.
4.0L, 5spd, 4.25 Zone lift, Currie Anti-rock, Trutrac D30, D-locked D35 w/4.56 gears, MCE GEN I Flares, 33" Trxxus ATs, Engo 10K# winch, rear disc brake conversion.
My idea of help from the man above is a sniper on the roof.