Ponton based utilities as we call them here in Australia are very common, in fact Ford Motor Company Aust claim to have built and marketed the first of type anywhere in the world in 1934. It was response to demand by farmers, something to take produce to market in, and mother to church on Sundays while the kids rode in the back.
Well now I have an anouncement, I have bought one myself yesterday, a 1972 108 280SE 3.5, needs an engine out bare metal re-spray in dark blue to match our 300. also thinking of fitting a diff, air bags and sway bar from a 109 300 in order to raise the load carring capacity