Hydraulické čerpadlo 574-0598 5740598 na rýpadla Caterpillar 349 352

1.Basic Info
Product Name: Main Hydraulic Piston Pump Assembly
OEM Part Number: 574‑0598, 5740598
Pump Brand: Kawasaki
Pump Model: K7V280DTP Tandem Dual Pump
Applicable Machines: Caterpillar CAT 349, 352 Large Hydraulic Excavator
Product Type: Tandem variable‑displacement axial piston main pump
Condition: Original Rebuild construction machinery spare part

2.Core Advantages
‑ Genuine Kawasaki K7V280DTP rebuilt tandem pump, 100% hydraulic bench tested before delivery, performance fully matches CAT 349 / 352 original hydraulic system parameters
‑ Dual‑pump variable displacement structure provides sufficient total flow for heavy‑duty digging, lifting and continuous mining operations, ensures smooth compound movements of boom, arm, bucket and travel
‑ Precision machined piston, cylinder block and valve plate assembly, high volumetric efficiency and low internal leakage under long‑hour high‑pressure working conditions
‑ Upgraded sealing components and reinforced friction pairs, excellent wear resistance and thermal stability, suitable for harsh construction and quarry environments
‑ Original mounting holes and oil port layout, direct bolt‑on replacement without modification, effectively reduces machine downtime during maintenance
‑ Strict quality control throughout the rebuild process, reliable performance with 12‑month warranty

3.Technical Data
Pump Type: Tandem variable‑displacement axial piston pump
Pump Model: Kawasaki K7V280DTP
Single Pump Displacement: 280 ml/r
Total Max System Flow: 779 L/min
Rated Working Pressure: 35 MPa
Peak Pressure (Lift Mode): 38 MPa
Rated Input Speed: 2000 rpm
Control Mode: Electronic load‑sensing power control
Drive Shaft: Splined input shaft
Oil Port Standard: SAE standard flange connection
Mounting: Original CAT 6‑bolt mounting flange
Net Weight: Approx. 350 KG
Applicable Excavator Tonnage: 49‑52 Ton Large Excavator

4.FAQ
Q1: Is 574‑0598 the complete tandem main pump assembly for CAT 349 and 352?
A1: Yes, it is a fully pre‑assembled tandem main pump unit, ready for direct installation.
Q2: Does this rebuilt pump meet the original equipment performance specifications?
A2: Yes, it is rebuilt following original Kawasaki specifications and fully tested to match CAT 349 / 352 hydraulic system performance.
Q3: What is the warranty period for this hydraulic pump?
A3: 12‑month warranty against manufacturing defects under proper installation and normal operating conditions.