#1 what is the load how heavy is it and where are you moving it, and why?
My Dad had Air suspension spring compensation for when the car had a trailer on it, a heavy rubber air bag inside the coil springs..
in the early 60s..
heavier load? more axles and wheels .. seen a "bike" moved piano stage, In your Berlin , I think it was.. 10 wheels .. Power from 3 people.
the stage had a concert Grand piano, for it's player, on it,