UP33F Front Mount Pump Front mounting pump, compact structure, axial piston system, non-return valve that prevents reversibility, overpressure protection valve, 3/4 stainless steel tapered shaft, cast iron rotor for longer life, front oil filling, designed for 1/4 NPT fittings, for 3/8 hose complete with elbow fittings. Possibility of semi-recessed mounting.