Hydraulic line repair data

Hitachi ZX370 Attachments – Quick Coupler Hose List

Hitachi ZX370 Attachments – Quick Coupler currently has 7 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 420–2,200 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 58

4437292

Installation route: 过渡阀块(快换)~过渡阀块(流速切换)

Length: 730 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. 47

4452733

Installation route: 过渡阀块(快换)~过渡阀块(流速切换)

Length: 450 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. 11

9234902

Installation route: 大臂(快换)~控制阀(快换)

Length: 2,200 mm
Specification: DN10;2SN-6;34.5MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 15A

4448556

Installation route: 接线板(小臂)~小臂(快换)

Length: 1,050 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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Diagram Pipe No. 11A

4387816

Installation route: 大臂(快换)~控制阀(快换)

Length: 2,200 mm
Specification: DN10;2SN-6;34.5MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 62

4436267

Installation route: 流速切换阀~过渡阀块(快换)

Length: 420 mm
Specification: DN10;1SN-6;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. 31

4360873

Installation route: 分配阀液压管路

Length: 950 mm
Specification: DN10;1SN-06;18MPa
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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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 ZX370 Attachments – Quick Coupler?

There are 7 published records. 7 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX370 Attachments – Quick Coupler?

Based on published records with valid lengths, the range is 420–2,200 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX370 Attachments – Quick Coupler?

The most frequent raw specifications in the current published records are: DN10;2SN-6;34.5MPa (3 records), DN6;1SN-04;22.5MPa (2 records), DN10;1SN-06;18MPa (1 records), DN10;1SN-6;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 ZX370 Attachments – Quick Coupler?

Each record keeps the left and right fitting descriptions separate. Current examples: 4437292: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4452733: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 9234902: left 美制内螺纹37°内锥; right 45°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 ZX370 Attachments – Quick Coupler hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 58 (4437292), Pipe No. 47 (4452733), Pipe No. 11 (9234902), Pipe No. 15A (4448556). Open a record to compare its installation position with the linked manual page.