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Hydraulic Main Pump K3V112DTP-9P12 r210lc hd820 dh200 dh225 Excavator Pump Construction Parts

Hydraulic Main Pump
2026-06-17
In this technical breakdown, we explore the K3V112DTP-9P12 hydraulic main pump - the heart of excavator hydraulic systems. Watch as we demonstrate how this axial piston pump converts mechanical energy into hydraulic power, examine its three control modes (constant power, load sensing, and pressure limiting), and identify common failure patterns like internal leakage and regulator issues. Learn maintenance best practices to ensure optimal performance in R210LC, HD820, DH200, and DH225 excavators.