Hydraulic line repair data

Hitachi ZX120-3 Swivel Joint Hose List

Coverage details

Hoses: 2 records
Full specifications: 2 records
Systems: 1 systems
Length range: 1,750–1,900 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. 23

4447490

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

Length: 1,750 mm
Specification: DN6;1SN-04;22.5MPa
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. 11

4447483

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

Length: 1,900 mm
Specification: DN10;1SN-06;18MPa
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. 7A

4203129

Installation route: 回转接头~分配阀右下

Length: 850 mm
Specification: DN12;4SP-8;27.5MPa
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. 9

YA60010293

Installation route: 回转接头~分配阀左下

Length: 700 mm
Specification: DN12;4SP-08;41.5Mpa
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. 2

4258284

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

Length: 1,650 mm
Specification: DN12;4SP-8;27.5MPa
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. 8

YA60010292

Installation route: 回转接头~分配阀左上

Length: 800 mm
Specification: DN12;4SP-08;41.5Mpa
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. 8A

4192047

Installation route: 回转接头~分配阀左上

Length: 800 mm
Specification: DN12;4SP-8;27.5MPa
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. 2A

4311053

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

Length: 1,650 mm
Specification: DN12;4SP-8;34.5Mpa
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. 9

9149514

Installation route: 回转接头~分配阀左下

Length: 700 mm
Specification: DN13;4SP-08;41.5MPa
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. 1

9275034

Installation route: 回转接头~电磁阀

Length: 1,050 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. 7A

YA00013647

Installation route: 回转接头~分配阀右下

Length: 850 mm
Specification: DN12;4SP-8;27.5MPa
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. 8A

YA00013648

Installation route: 回转接头~分配阀左上

Length: 800 mm
Specification: DN12;4SP-08;41.5Mpa
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. 8

9149513

Installation route: 回转接头~分配阀左上

Length: 800 mm
Specification: DN13;4SP-08;41.5MPa
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. 2

YA60015303

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

Length: 1,650 mm
Specification: DN12;4SP-8;27.5MPa
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. 6

9149511

Installation route: 回转接头~分配阀右上

Length: 950 mm
Specification: DN12;4SP-8;27.5MPa
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. 9A

YA00013649

Installation route: 回转接头~分配阀左下

Length: 700 mm
Specification: DN12;4SP-08;41.5Mpa
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. 7

9149512

Installation route: 回转接头~分配阀右下

Length: 850 mm
Specification: DN12;4SP-8;27.5MPa
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. 3

4219356

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

Length: 1,650 mm
Specification: DN12;4SP-8;27.5MPa
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. 9A

4354467

Installation route: 回转接头~分配阀左下

Length: 700 mm
Specification: DN12;4SP-8;27.5MPa
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. 1A

4660567

Installation route: 回转接头~电磁阀

Length: 1,050 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

View full repair specifications

Diagram Pipe No. 3

4311053

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

Length: 1,650 mm
Specification: DN12;4SP-8;34.5Mpa
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

View full repair specifications

Diagram Pipe No. 6A

4203130

Installation route: 回转接头~分配阀右上

Length: 950 mm
Specification: DN12;4SP-8;27.5MPa
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 ZX120-3 Swivel Joint?

There are 2 published records. 2 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX120-3 Swivel Joint?

Based on published records with valid lengths, the range is 1,750–1,900 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX120-3 Swivel Joint?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (1 records), DN6;1SN-04;22.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX120-3 Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 4447490: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4447483: left 美制内螺纹74°内锥; right 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 ZX120-3 Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 23 (4447490), Pipe No. 11 (4447483). Open a record to compare its installation position with the linked manual page.