I hang mine from two points, one directly over the gearbox, and one about halfway down the beam.
This hangs it in the position that it mounts on my tractor in.
It allows hooking and unhooking with a minimum of hassle, and is particularly easier with the Pats system (which I use)
I back up too it, hook the pats on the lower two links, get out, secure my top pin, then secure the drive shaft, and away I go.
I made mine portable as we are a landscape business and we take the PHD to the job site to dig holes for shrubs and trees.
To pick the thing off the ground and mount it is terrible. The best I can suggest is two and only two folks, then watch closely that you do not end up pinched.