Figured out the drip tray and also the skirt/dolly to move it around.
Adding up the weight in the keezer is quite impressive. 130 lbs for keexer, ~50lbs of wood, tank-reg-lines 20 lbs, 6 full kegs 65lbs = Almost 600 lbs. So the casters need to have some beef in them. 190 lbs each - 4in...