From the Workshop: Hydraulic oils

MOST of us are quite particular about the oil we put in our engines, but can sometimes be a little blasé about the fluids used in hydraulic systems. The wrong hydraulic oil can cause all manner of problems, not the least is significant damage to hydraulic pumps and motors. These repairs don’t come cheap, and breakdowns can happen at the worst possible time with little or no warning.

From the Workshop: Hydraulic oils From the Workshop: Hydraulic oils From the Workshop: Hydraulic oils From the Workshop: Hydraulic oils From the Workshop: Hydraulic oils

Hydraulic fluids have a tough working life, and have three distinct roles to play. Apart from providing a medium for power transmission, they also transfer heat and lubricate components.