Product Overview This is an original-specification Kawasaki swash-plate variable-displacement axial piston pump, model HK5V80DTP-OE23, specially fitted for SY135-9 and SY155-10 excavators. It adopts a tandem variable piston pump structure with a pilot gear pump, acting as the main hydraulic power unit of the excavator. It supplies steady hydraulic oil for the boom, arm, bucket, and travel hydraulic circuits. Technical Specifications Pump Model HK5V80DTP-OE23 Type Swash-plate