مضخة هيدروليكية 289-6370 2896370 لـ لودر حفار Caterpillar 432E 434E 442E 444E

CAT 432E 434E 442E 444E Hydraulic piston pump
1. Basic Info
- Item: Hydraulic piston pump
- PN:289-6370、2896370
- Fit Model: CAT 432E,434E,442E,444E backhoe loader
- Grade: Genuine new
- Warranty:12 months

2. Core Advantages
- Original genuine product conforms to CAT OEM parameters for direct bolt-on installation
- Precision internal matching parts ensure stable oil output pressure under frequent working conditions
- High-quality sealing components effectively avoid oil leakage in complex construction scenarios
- Strict factory bench testing guarantees reliable long-term operation for backhoe loader

3. Technical Data
- Structure: Variable displacement axial piston pump
- Displacement:64 cc/rev
- Max working pressure:31 MPa
- Rated rotational speed:2400 rpm
- Control mode: load sensing pressure compensation control
- Seal material: high-temperature resistant fluororubber
- Rotation direction: factory standard specified rotation
- Application: power supply for digging, traveling and auxiliary hydraulic circuits of backhoe loader

4. Cross Reference
- Interchangeable PN group:289-6370,2896370

5. Service
- Adequate stock supports global sea & air shipment; professional installation guidance and after-sales technical support available

6. FAQ
① Are 289-6370 and 2896370 the same part?
Yes, they are two writing formats of one official part number and fully interchangeable.
② Does this pump fit all listed four backhoe loader models?
Yes, it is specially matched for CAT 432E/434E/442E/444E models.
③ What situations are excluded from warranty?
Damage caused by improper installation, contaminated hydraulic oil and overload operation is not covered.
④ Can you provide installation guidance?
We offer installation notes and follow-up technical support after order confirmation.