Defeng Mechanical Manufacturing Limited
                                                                                                           
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PVD2B40 Hydraulic Pump Powerhouse

Excavator boom arm
2026-01-09
PVD2B40 hydraulic pump piston pump replacement excavator hydraulic parts
Watch the demo to catch practical tips and quick performance insights. This video provides a detailed walkthrough of the Kato HD820 hydraulic control valve assembly, showcasing its components, explaining common fault codes like E21 and E63, and demonstrating how this refurbished valve integrates into your excavator's hydraulic system.