Water Truck Pump, Model B4JRMBHS, 5" Suction x 4" Discharge Flanged, Clockwise (CW), Keyed Shaft, 13.5" Impeller, Mechanical Seal, Berkeley B61050 36787000 relieve pressure and disconnect electrical 3 Way Valve relieve pressure and disconnect electrical power before disassembly Return to service Use the applicable Elkhart service instructions and check the repaired system for leaks and correct operation Check Details Quantity in assembly Two Assembly area Monitor drive and override area Selection Match exact part number Hex size Not relied upon Before Ordering making it ideal for tank fed water truck applications where consistent prime is maintained making it a versatile choice for a wide range of builds