Auxiliary hydraulic performance determines whether a skid steer or mini excavator attachment operates at peak efficiency or stalls under load. Understanding GPM vs PSI ratings is vital when pairing attachments like trenchers, grapples, and breakers with host machines.
Understanding GPM vs PSI
Gallons per minute (GPM) dictates attachment operating speed, while pressure (PSI) dictates torque and digging force. Operating high-flow attachments on standard-flow auxiliary lines leads to sluggish response and excessive thermal buildup.
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