A10VSO45DR/31R-PSC62N00 REXROTH REPLACEMENT, PISTON PUMP, 2.75 IN3 DISPLACEMENT, CLOCKWISE ROTATION, 1"-15 SPLINED SHAFT, SAE 'B' 2-BOLT MOUNTING FLANGE, SIDE PORTS, -24 CODE 61 SUCTION FLANGE, -16 CODE 61 PRESSURE FLANGE, (2) #10 O-RING CASE DRAIN PORTS, DR PRESSURE CONTROL DEVICE, , 4000 PSI CONTINUOUS OPERATING PRESSURE, 5100 PSI PEAK, 30.9 GPM MAXIMUM, 100% FACTORY TESTED, A10VS045DR/31R-PSC62N00.