K3V140DT-9N04 ec290 Excavator Hydraulic Pump Main Piston Pump For Liugong 936 r300-5 Construction

Thinking about an upgrade for your excavator's hydraulic system? In this video, we walk you through the K3V140DT-9N04 main piston pump, showing its internal structure, control features, and common fault scenarios. You'll see how this axial variable piston pump delivers hydraulic power for boom, bucket, and track movements, and learn servicing tips to extend its lifespan. Ideal for maintenance teams and equipment managers looking for reliable construction machinery parts.