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Pump Type: It is composed of 3 variable – displacement axial piston pumps and 1 gear pump, which can provide stable and efficient hydraulic power for the excavator.
Maximum Flow Rate of Main Pump: The maximum flow rate is 2×63 + 1×52.5 L/min, which can meet the flow demand of each actuator of the excavator during operation, ensuring the smooth progress of operations such as digging, lifting, and swinging.
Hydraulic System Overflow Valve Pressure: The pressure of the hydraulic system overflow valve is 31400 kPa, which plays a role in protecting the hydraulic system and preventing the system pressure from being too high to damage components.
