Hydraulic line repair data

Hitachi EX300LC-3 Swivel Joint Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 2,400–2,500 mm

Current system

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Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 0

4292561

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 15

4269812

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,500 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制内螺纹37°内锥

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Diagram Pipe No. 10

4266183

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 mm
Specification: DN12;4层纤维层-8;3MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制内螺纹37°内锥

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Diagram Pipe No. 22A

4313124

Installation route: 回转接头~分配阀右上

Length: 1,350 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: 45°美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 24A

4313125

Installation route: 回转接头~分配阀左上

Length: 1,250 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: 45°美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 1A

4328979

Installation route: 回转接头~电磁阀

Length: 1,250 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 1

4330284

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,300 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 0

4330283

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,300 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 1

4292564

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,400 mm
Specification: DN25;4SP-16;32Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi EX300LC-3 Swivel Joint?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX300LC-3 Swivel Joint?

Based on published records with valid lengths, the range is 2,400–2,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX300LC-3 Swivel Joint?

The most frequent raw specifications in the current published records are: DN12;4层纤维层-8;3MPa (1 records), DN25;4SP-16;32Mpa (1 records), DN6;1SN-4;7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX300LC-3 Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 4292561: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4269812: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4266183: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX300LC-3 Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 0 (4292561), Pipe No. 15 (4269812), Pipe No. 10 (4266183). Open a record to compare its installation position with the linked manual page.