Hydraulic line repair data

Hitachi ZX250 Swivel Joint Hose List

Coverage details

Hoses: 11 records
Full specifications: 11 records
Systems: 1 systems
Length range: 1,600–2,500 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 0

4258300

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

Length: 2,300 mm
Specification: DN19;4SP-12;38Mpa
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. 5

4437938

Installation route: 回转接头~电磁阀

Length: 1,600 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Diagram Pipe No. 14

9199986

Installation route: 回转接头~回油铁管(液压油箱)

Length: 2,500 mm
Specification: DN13;2SN-08;27.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 1

4254419

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

Length: 2,150 mm
Specification: DN19;4SP-12;38Mpa
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

4258301

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

Length: 2,300 mm
Specification: DN19;4SP-12;38Mpa
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. 14A

4313443

Installation route: 回转接头~回油铁管(液压油箱)

Length: 2,500 mm
Specification: DN13;1SN-08;16MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 24

4262928

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

Length: 2,200 mm
Specification: DN13;2SN-08;27.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 8

4267668

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

Length: 2,400 mm
Specification: DN13;2SN-08;27.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 0

4254418

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

Length: 2,150 mm
Specification: DN19;4SP-12;38Mpa
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. 23

4458065

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

Length: 2,300 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 23

4450505

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

Length: 2,500 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 14

9206184

Installation route: 回转接头上~分配阀右上

Length: 1,200 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 13

9199898

Installation route: 回转接头上~分配阀左下

Length: 1,050 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 14A

4466483

Installation route: 回转接头上~分配阀右上

Length: 1,200 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 13A

4425880

Installation route: 回转接头上~分配阀左下

Length: 1,050 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 15A

4425857

Installation route: 回转接头上~分配阀右下

Length: 1,100 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 13A

4425880

Installation route: 回转接头上~分配阀左下

Length: 1,050 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 12A

4442770

Installation route: 回转接头上~分配阀左上

Length: 1,150 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 12

9199899

Installation route: 回转接头上~分配阀左上

Length: 1,150 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 12A

4442770

Installation route: 回转接头上~分配阀左上

Length: 1,150 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

View full repair specifications

Diagram Pipe No. 15

9206185

Installation route: 回转接头上~分配阀右下

Length: 1,100 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

View full repair specifications

Diagram Pipe No. 15A

4425857

Installation route: 回转接头上~分配阀右下

Length: 1,100 mm
Specification: DN19;4SP-12;38Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

View full repair specifications

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 ZX250 Swivel Joint?

There are 11 published records. 11 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX250 Swivel Joint?

Based on published records with valid lengths, the range is 1,600–2,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX250 Swivel Joint?

The most frequent raw specifications in the current published records are: DN19;4SP-12;38Mpa (4 records), DN13;2SN-08;27.5MPa (3 records), DN6;1SN-04;22.5MPa (3 records), DN13;1SN-08;16MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX250 Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 4258300: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4437938: left 美制内螺纹74°内锥; right 45°美制内螺纹74°内锥; 9199986: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX250 Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 0 (4258300), Pipe No. 5 (4437938), Pipe No. 14 (9199986), Pipe No. 1 (4254419). Open a record to compare its installation position with the linked manual page.