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CAT 349 352 Hydraulic Pump 574-0598 5740598 Excavator Original Main Piston Pump Parts
CAT 349 352 hydraulic pump
,Excavator original main piston pump
,Hydraulic pump parts with warranty
Product Name: Main Hydraulic Piston Pump, GP‑PISTON
OEM Part Number: 574‑0598, 5740598
Fit Machine: CAT 349, 352 Large‑size Hydraulic Excavator
Product Type: Twin‑variable axial piston main pump with electronic load‑sensing control
Condition: Original new construction machinery spare part
Gross weight: 309.5 kg
Packaging dimensions: 52 cm * 91 cm * 61 cm
- Genuine original hydraulic power source, perfectly matched to CAT 349 / 352 electronic‑controlled hydraulic system, no programming adjustment needed after installation
- Dual‑pump variable displacement structure, delivers sufficient flow for heavy‑load digging, lifting and continuous mining‑site operation
- High‑precision piston, cylinder block and valve plate assembly, excellent volumetric efficiency under long‑hour high‑pressure working status
- Built‑in electronic displacement regulator, realizes intelligent power matching to reduce fuel consumption and hydraulic heat loss
- Strict factory pressure‑testing and running‑inspection before delivery, stable response for boom, arm, bucket and travelling composite movements
Pump Type: Twin‑variable axial piston pump
OEM No.: 574‑0598
Total Max Displacement: 2*130 ml/r
Maximum System Flow: 779 L/min
Rated Working Pressure: 35 MPa
Peak Pressure (Lift‑up Mode): 38 MPa
Rated Input Speed: 2000 rpm
Control Mode: Electronic load‑sensing power control
Drive Shaft: Splined input shaft
Main Oil Inlet & Outlet: SAE standard flange connection
Case Drain Port: G 3/4
Mounting Standard: CAT original 6‑bolt installation flange
Net Weight: 278 KG
Applicable Excavator Tonnage: 50‑56 Ton Large Excavator
Q1: Is 574‑0598 the complete main pump assembly for CAT 349 and 352?
A1: Yes, this full main pump unit is specially designed for CAT 349 and CAT 352 excavator.
Q2: Does it require ECU calibration after replacement?
A2: Original pump can work normally after installation, no extra modification or calibration required.
Q3: What warranty coverage is available?
A3: 12‑month warranty against manufacturing defects.
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