Mainstay`s 500 power units has been run by Hughes Pumps since 2008 and it’s the most sold “high pressure” cabinets in the market. The cabinet is built to last, with high quality components to give the lowest life circle cost and prevent downtime.

The Mainstay 500 cabinet is the pump with the best flow range. This robust and reliable power unit is driven with a Hughes HPS 5000 pump and powered by a electrical- or diesel engine.