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buy EX1900-5 EX1900-6 Hydraulic Pump Assy Excavator K3V180DTH Main Pump 4689079 4626845 for Hitachi

Main Pumps: 2 × 180 cc/rev (total 360 cc/rev), aligning with Kawasaki’s K3VG series standards . Gear Pump: ~50 cc/rev (auxiliary functions like pilot control). Max Flow: ~360 L/min (main pumps) + 50 L/min (gear pump) at 1,800 RPM. Rated Flow: 320–340 L/min (main pumps) under typical load conditions . Rated Pressure: 34.3 MPa (350 bar / 5,076 psi) for continuous operation . Max…