Developed to balance pressure fluctuations in hydraulic circuits and dampen sudden pressure shocks, the 20Y-970-6440 part number Komatsu excavator breaker accumulator (20Y9706440) supports the stable operation of the hydraulic system under demanding site conditions. Compatible with the hydraulic plumbing of PC200-8, PC220-8, PC270-8, PC300-8, PC350-8, PC400-7, PC400-8, PC450-7, PC450-8, PC490-11, and PC550-8 series machines, this component maintains system efficiency during breaker operations.
Compatibility and Installation Checks
During part replacement, it is crucial that the excavator's hydraulic line pressure is completely relieved, and the condition of connection threads and sealing elements is inspected for a safe installation. Offering a precise fit to original line dimensions, this accumulator optimizes system flow.
You can review the technical details of this hydraulic accumulator part and the compatible heavy machinery models.