Length: 1,550 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 39A

4436252

Installation route: 快换踏板~过渡阀块(快换)

Length: 2,400 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. 38

9178352

Installation route: 快换踏板~过渡阀块(快换)

Length: 2,300 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. 39

9190069

Installation route: 快换踏板~过渡阀块(快换)

Length: 2,400 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 90°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. 20

4296275

Installation route: 大臂(快换)~小臂(快换)

Length: 1,050 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 2

4606696

Installation route: 大臂(快换)~小臂(快换)

Length: 2,300 mm
Specification: DN10;2SN-6;34.5MPa
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 ZX120 Attachments – Quick Coupler?

There are 5 published records. 5 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX120 Attachments – Quick Coupler?

Based on published records with valid lengths, the range is 450–1,900 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX120 Attachments – Quick Coupler?

The most frequent raw specifications in the current published records are: DN6;1SN-04;22.5MPa (2 records), DN6;1SN-4;7Mpa (2 records), DN10;2SN-06;34.5MPa (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 Attachments – Quick Coupler?

Each record keeps the left and right fitting descriptions separate. Current examples: 4436352: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4601514: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4452733: 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 Attachments – Quick Coupler hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 44 (4436352), Pipe No. 8 (4601514), Pipe No. 41 (4452733), Pipe No. 48 (4392192). Open a record to compare its installation position with the linked manual page.