Hi, and welcome to the forums. I don't know the details of your situation, but we have moved fully-loaded racks that lacked their own wheels -- where doorway, hallway and elevator heights permitted -- using a pair of rolling jacks, like this:
. Where conditions did not permit the racks to be moved upright, we have unloaded the equipment from the racks and moved them separately, re-assembling everything at the destination.
Ken