Hydraulic line repair data

Hitachi ZX370 Attachments – Quick Coupler Hose List

Coverage details

Hoses: 7 records
Full specifications: 7 records
Systems: 1 systems
Length range: 420–2,200 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. 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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Diagram Pipe No. 42

4479838

Installation route: 电磁阀(快换)~流速切换阀

Length: 1,100 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. 52

4346869

Installation route: 分配阀右~过渡阀块(快换)

Length: 1,050 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. 12

9198956

Installation route: 大臂(快换)~控制阀(快换)

Length: 1,693 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. 2

4489201

Installation route: 大臂(快换)~小臂(快换)

Length: 1,500 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. 14

4477500

Installation route: 大臂(快换)~接线板(小臂)

Length: 2,000 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. 15

9197275

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. 13

9233400

Installation route: 液压油箱~控制阀(快换)

Length: 1,050 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. 13A

4313342

Installation route: 液压油箱~控制阀(快换)

Length: 1,050 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. 37

4334309

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

Length: 680 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. 12A

4451536

Installation route: 大臂(快换)~控制阀(快换)

Length: 1,700 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. 59

4437738

Installation route: 电磁阀(快换)~流速切换阀

Length: 1,000 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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Diagram Pipe No. 33

4351911

Installation route: 分配阀右~电磁阀(快换)

Length: 1,300 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

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 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.