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Rated Pressure: The rated pressure of these pumps is designed to meet the high – demand requirements of the excavators' hydraulic systems. For the pumps applicable to the listed Komatsu models, the rated pressure is likely in the range of 250 bar (25 MPa) to 350 bar (35 MPa). At this pressure level, the pump can provide stable power to drive the hydraulic actuators, ensuring smooth and efficient operation of the excavator.
Maximum Pressure: The maximum pressure that the pump can withstand for a short period is usually higher than the rated pressure. It may reach around 380 bar (38 MPa) to 420 bar (42 MPa). This allows the pump to handle sudden high – load situations, such as when the excavator encounters hard soil or large rocks during digging.
