Hydraulic line repair data

Hitachi ZX75US-3 Attachments – Breaker Hose List

Coverage details

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 520–1,100 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 5

4252872

Installation route: 大臂(前段)~大臂(后段)

Length: 520 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 15

4630945

Installation route: 分配阀后右~液压油箱

Length: 850 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. 15

9303371

Installation route: 分配阀后右~液压油箱

Length: 850 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. 2

4466630

Installation route: 大臂(破碎器)~小臂(破碎器)

Length: 1,100 mm
Specification: DN10;2SN-6;28Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 15A

4684443

Installation route: 电磁阀(破碎器)~进回油阀

Length: 1,850 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. 16

9291071

Installation route: 电磁阀(破碎器)~进回油阀

Length: 1,900 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. 8

4463558

Installation route: 小臂破碎器截止阀

Length: 1,250 mm
Specification: DN19;4SP-12;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 16A

4684397

Installation route: 电磁阀(破碎器)~进回油阀

Length: 1,900 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. 17A

4684462

Installation route: 大臂(破碎器)~回油铁管(分配阀)

Length: 2,400 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 90°英制内螺纹30°外锥

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Diagram Pipe No. 17

9290797

Installation route: 大臂(破碎器)~回油铁管(分配阀)

Length: 2,400 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 英制内螺纹30°外锥
Right fitting: 90°英制内螺纹30°外锥

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Diagram Pipe No. 20

9303146

Installation route: 过渡阀块(破碎器)~分配阀左

Length: 800 mm
Specification: DN10;2SN-6;34.5MPa
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. 8

4462942

Installation route: 小臂破碎器截止阀

Length: 1,100 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 37

4370733

Installation route: 过渡阀块(破碎器)~回油铁管(液压油箱)

Length: 1,200 mm
Specification: DN19;1SN-12;7MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 20

4478433

Installation route: 过渡阀块(破碎器)~分配阀左

Length: 800 mm
Specification: DN10;2SN-6;34.5MPa
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. 15

9291074

Installation route: 电磁阀(破碎器)~进回油阀

Length: 1,850 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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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 ZX75US-3 Attachments – Breaker?

There are 4 published records. 4 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX75US-3 Attachments – Breaker?

Based on published records with valid lengths, the range is 520–1,100 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX75US-3 Attachments – Breaker?

The most frequent raw specifications in the current published records are: DN6;1SN-4;7Mpa (2 records), DN10;2SN-6;28Mpa (1 records), DN19;4SP-12;38Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX75US-3 Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4252872: left American female thread, flat-face seal; right American female thread, flat-face seal; 4630945: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 9303371: left 美制内螺纹37°内锥; right 90°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 ZX75US-3 Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 5 (4252872), Pipe No. 15 (4630945), Pipe No. 15 (9303371), Pipe No. 2 (4466630). Open a record to compare its installation position with the linked manual page.