Hydraulic line repair data

Hitachi ZX75US Attachments – Breaker Hose List

Coverage details

Hoses: 8 records
Full specifications: 8 records
Systems: 1 systems
Length range: 400–2,150 mm

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 53

4251922

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

Length: 750 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. 52

4452734

Installation route: 电磁阀(破碎器)~过渡阀块(破碎器)

Length: 400 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. 10

4351104

Installation route: 分配阀后~过渡阀块(破碎器)

Length: 650 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. 19

4269809

Installation route: 分配阀后右~电磁阀(破碎器)

Length: 1,600 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. 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. 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. 35

4451090

Installation route: 分配阀后左~过渡阀块(支架)

Length: 1,250 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. 73A

4601148

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

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

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Diagram Pipe No. 11

4332931

Installation route: 破碎器踏板~进回油阀

Length: 550 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. 9

4427783

Installation route: 控制阀(破碎器)~过渡阀块(破碎器)

Length: 1,000 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 45°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. 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. 22

9215299

Installation route: 大臂(破碎器)~分配阀右

Length: 2,100 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: 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

4332941

Installation route: 控制阀(破碎器)~过渡阀块(破碎器)

Length: 1,200 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. 73

9224864

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

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

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Diagram Pipe No. 25

4229835

Installation route: 控制阀(破碎器)~

Length: 1,100 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. 15

4227028

Installation route: 电磁阀(破碎器)~进回油阀

Length: 1,600 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. 31

4369184

Installation route: 过渡阀块(破碎器)~过渡阀块(支架)

Length: 430 mm
Specification: DN10;1SN-6;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. 27

9215300

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

Length: 2,400 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. 8

4465487

Installation route: 小臂破碎器截止阀

Length: 1,350 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. 7

4474808

Installation route: 破碎器踏板~进回油阀

Length: 480 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. 12

4229813

Installation route: 控制阀(破碎器)~过渡阀块(破碎器)

Length: 900 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. 22A

4475778

Installation route: 大臂(破碎器)~分配阀右

Length: 2,100 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: 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. 17

4313256

Installation route: 破碎器踏板~过渡阀块(破碎器踏板)

Length: 1,700 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. 27A

4475779

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

Length: 2,400 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. 74

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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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 Attachments – Breaker?

There are 8 published records. 8 include a length, both end fittings, and a part number or diagram pipe number.

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

Based on published records with valid lengths, the range is 400–2,150 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

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

The most frequent raw specifications in the current published records are: DN19;4SP-12;38Mpa (2 records), DN6;1SN-4;7Mpa (2 records), DN10;2SN-6;28Mpa (1 records), DN10;2SN-6;34.5MPa (1 records), DN19;1SN-12;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 ZX75US Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4251922: left American female thread, flat-face seal; right American female thread, flat-face seal; 4452734: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4351104: 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 Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 53 (4251922), Pipe No. 52 (4452734), Pipe No. 10 (4351104), Pipe No. 19 (4269809). Open a record to compare its installation position with the linked manual page.