Hydraulic Power Packs are built as stand alone units to supply power for hydraulic tools and equipment or installed on Cabling Trailers They feature pressure compensated pumps and load sensing valves with precise flow control. In addition the pumps have variable pressure control to limit maximum pressure. With load sense hydraulics hydraulic fluid is pumped only when needed with the pump standing by at other times. This eliminates heat generation common with systems that pump oil full time.