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oem HPK055AT-RH18A Hydraulic Pump ZAX120 ZAX130 ZAX135 Excavator Parts Main Pump for Hitachi HPK055 Piston Pump

Displacement: 112 cc/rev (per pump element). อัตราการไหล: Max Flow: ~264 L/min at 2,360 RPM (calculated as 112 cc/rev × 2,360 RPM × 0.98 efficiency). Rated Flow: 240–250 L/min under typical load conditions. Pressure Ratings: Rated Pressure: 34.3 MPa (350 kgf/cm² / 4,975 psi). Max Pressure: 39.2 MPa (400 kgf/cm² / 5,685 psi) for short-term peak loads . Speed: Max Operating Speed:…