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Message: <blockquote data-quote="ward" data-source="post: 141819" data-attributes="member: 25583">For make up oil  for the hydrostatic drive, I would think it would be, however bucket lift and bucket curl I would think will be bewteen 2000 psi and 3000 psi, gear pumps do not like above 3000 psi, if it has a vane pump it might get pushed to 5000 psi.  Hydrostatic can run up to 20,000 psi however that is on large equipment, fork lifts and skid steers and dozers tend to work with 5000 to 10,000 psi on the hydrostatic system. If I am checking a 2000 to 3000 system I used a 5000psi gauge to get it as close as I could when setting the relife, however if you just checking to see if you in close range a 3000 psi gauge will work, the gauges are most accurate in the center 1/3rd of the dial, so a 500 psi  system checked on a 3000 psi gauge could be off by 10 to 20 %</blockquote>