Hydraulic fluid is one of the most important components of a hydraulic system. It performs multiple functions, such as power transmission and lubrication, but is also responsible for heat transfer, and conveyance of sludge, wear debris, and contamination. With the important roles played by fluids, proper fluid selection is critical in maximizing performance and life of hydraulic pumps, motors, and other components. To make the right choice, a variety of fluid properties must be considered, along with other factors such as operating parameters, system requirements, environmental conditions, and regulations. ProActive Fluid Power is pleased to provide these hydraulic fluid recommendations and other resources from leading manufacturers.