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china Excavator ZAX330 ZAX350 ZAX360 EX300 EX330 EX350 Main Pump HPV145 Hydraulic Pump

Main Pumps: Likely 2 × 145 cc/rev (total 290 cc/rev), based on Hitachi’s medium excavator pump standards (e.g., K3V112 for ZX200-5 uses 112 cc/rev) . Pompa per ingranaggi: ~30–50 cc/rev (auxiliary functions like pilot control). Max Flow: ~290 L/min (main pumps) + 50 L/min (gear pump) at 1,900 RPM. Flusso nominale: 250–270 L/min (main pumps) under typical load conditions. Pressione nominale: 34.3–35.0 MPa (350–357 kgf/cm²…

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china Excavator ZAX330 ZAX350 ZAX360 EX300 EX330 EX350 Main Pump HPV145 Hydraulic Pump

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