Hydraulic line repair data

Hitachi ZX230W-5N Boom Assembly Hose List

Hitachi ZX230W-5N Boom Assembly 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: 880–1,450 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 20

4286816

Installation route: 大臂左2

Length: 1,450 mm
Specification: DN25;4SH-16;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. 20

4666677

Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3

Length: 910 mm
Specification: DN16;4SP-10;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. 21

4307644

Installation route: 大臂油缸左1/左4

Length: 920 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 7

4676587

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 880 mm
Specification: DN25;4SH-16;38.8MPa
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

4250888

Installation route: 大臂左2

Length: 1,200 mm
Specification: DN25;4SH-16;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. 21

4254435

Installation route: 大臂油缸左1/左4

Length: 1,400 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 20

4665040

Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3

Length: 920 mm
Specification: DN16;4SP-10;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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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 ZX230W-5N Boom Assembly?

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 ZX230W-5N Boom Assembly?

Based on published records with valid lengths, the range is 880–1,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX230W-5N Boom Assembly?

The most frequent raw specifications in the current published records are: DN16;4SP-10;34.5Mpa (2 records), DN19;4SP-12;34.5Mpa (2 records), DN25;4SH-16;34.5Mpa (2 records), DN25;4SH-16;38.8MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX230W-5N Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4286816: left American female thread, flat-face seal; right American female thread, flat-face seal; 4666677: left American female thread, flat-face seal; right American female thread, flat-face seal; 4307644: left American female thread, flat-face seal; right American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX230W-5N Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 20 (4286816), Pipe No. 20 (4666677), Pipe No. 21 (4307644), Pipe No. 7 (4676587). Open a record to compare its installation position with the linked manual page.