We produce Gear Pump ( gear oil pump, hydraulic gear pump) Gear Pump (Hydraulic Pump,external gear pump,hydraulic gear pump,small gear pump, mini gear pump,High pressure gear pump)We produce Gear Pump ( gear oil pump, hydraulic gear pump)Model MRGP-F20 is an all aluminium construction ... are SAE-12 inlet and SAE-10 outlet. The standard drive shaft is a 5/8 inch diameter straight with 5 ...