K3V63DT-9C22-14t Hydraulic Pump r130-5 r150-7 For Excavators Metal Excavator Main Pump Construction

Here’s a fast, informative look at how the K3V63DT-9C22-14T hydraulic pump functions as the core power unit in excavators like the R130-5 and R150-7. In this video, we break down its axial piston design, explain the three key control modes—constant power, load-sensing, and pressure limiting—and demonstrate common failure symptoms and maintenance best practices to keep your construction machinery running efficiently.