You don't want a 63HP they will put out huge pressure 140 + you want a 63HV gives volume at way less pressure.
Think the Hp is for industrial motors like water pumps that run 24/7 at 4000 rpm. with a canaster style filter.
took one off a friends 440 would blow the filters up and off sometimes and buried the 140 oil pressure gauge. Sharp pump gears as opposed to the rounded ones