31.88 Cubic Inch Motor
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According to: https://www.surpluscenter.com/item.asp?item=9-7469&catname=
the working pressure is around 1,100 PSI.
Comment from MJ: When I bought this motor, years ago, I recall the rated pressure was around 3000 PSI. That is what I have at OSTrac. What is the discrepancy? Is that the reason for the Failing Wheel Couplers?