مضخة هيدروليكية Caterpillar A28VO130 593-8367 لـ حفارة Caterpillar 320GC 323GC 320GX 323GX

1.Basic Info
Product Name: Main Hydraulic Piston Pump Assembly
OEM Part Number: 593‑8367, 20R‑9518, 567‑9721, 531‑9886, 5938367, 20R9518, 5679721, 5319886
Applicable Machines: CAT 320GC, 323GC, 320GX, 323GX Medium Excavator
Product Type: Electronic variable‑displacement main hydraulic pump
Condition: High‑quality aftermarket new replacement spare part

2.Core Advantages
‑ Fully matches original mounting flange, shaft spline, oil‑port layout and electronic connector position, direct bolt‑on replacement without modification
‑ Optimized electronic load‑sensing control delivers excellent fuel‑saving performance, fast boom and arm response for heavy‑duty construction tasks
‑ Heavy‑duty cast iron pump body can withstand long‑time high‑pressure operation, reduces wear risk under continuous heavy‑load working conditions
‑ High‑precision internal components minimize pressure loss and heat generation, effectively extend pump service life
‑ Every pump passes strict full‑flow and high‑pressure testing before shipment, stable output and low leakage risk

3.Technical Data
Pump Type: Axial variable‑displacement electronic controlled piston pump
Pump Model: A28VO130
Max System Working Pressure: 35 MPa
Max Main Flow: 430‑442 L/min
Net Weight: 148 KG
Gross Weight: 155 KG
Installation: Flange‑mounted, complete assembled pump with solenoid valve
Seal Components: High‑temperature resistant anti‑aging sealing kit
Warranty: 12 months

4.FAQ
Q1: Are these part numbers interchangeable?
A1: 593‑8367, 20R‑9518, 567‑9721 and 531‑9886 are cross‑reference numbers for 320GC / 323GC / 320GX / 323GX, please confirm your old part number before ordering.
Q2: Does this hydraulic pump include solenoid valve?
A2: Solenoid valve is included as the original factory configuration.
Q3: What should be noticed during installation?
A3: Flush hydraulic pipelines thoroughly, replace new hydraulic oil and filter, bleed air, run‑in at low speed before heavy‑load operation.