Sage Oil Vac, Inc. mobile lube equipment for on-site maitnenance. Sage Oil Vac lube equipment utilizes a vacuum and pressure process - not pumps - to powerfully evacuate and refill fluids. Lube equipment is available in skid, trailer or truck bed configurations with many tanks sizes available. By using a standard air compressor, customers have less compressor run time - saving on fuel costs and less wear and tear on equipment.