Hydraulic line repair data

Hitachi EX80-5 Boom Assembly Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 700–750 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. 20

4294616

Installation route: 小臂油缸

Length: 700 mm
Specification: DN13;4SP-08;41.5MPa
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

4294616

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

Length: 700 mm
Specification: DN13;4SP-08;41.5MPa
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. 24

4388835

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 750 mm
Specification: DN13;4SP-08;41.5MPa
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. 11

4392171

Installation route: 偏置大臂油缸

Length: 820 mm
Specification: DN10;2SN-6;27.5MPa
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. 23

4382945

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,300 mm
Specification: DN12;2SN-8;27.5MPa
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. 14

4333304

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 2,500 mm
Specification: DN12;2SN-8;27.5MPa
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. 23

4377483

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 820 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 27

4400255

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 2,020 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 15

4392686

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

Length: 2,450 mm
Specification: DN12;2SN-8;27.5MPa
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 EX80-5 Boom Assembly?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX80-5 Boom Assembly?

Based on published records with valid lengths, the range is 700–750 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX80-5 Boom Assembly?

The most frequent raw specifications in the current published records are: DN13;4SP-08;41.5MPa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX80-5 Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4294616: left American female thread, flat-face seal; right American female thread, flat-face seal; 4294616: left American female thread, flat-face seal; right American female thread, flat-face seal; 4388835: 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 EX80-5 Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 20 (4294616), Pipe No. 21 (4294616), Pipe No. 24 (4388835). Open a record to compare its installation position with the linked manual page.