Hydraulic line repair data

Hitachi EX100WD Boom Assembly Hose List

Hitachi EX100WD Boom Assembly currently has 5 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 5 records
Full specifications: 5 records
Systems: 1 systems
Length range: 700–1,200 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 18

4200475

Installation route: 小臂油缸

Length: 700 mm
Specification: DN19;4SP-12;38Mpa
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

4188986

Installation route: 大臂油缸

Length: 750 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. 34

4188905

Installation route: 小臂油缸

Length: 850 mm
Specification: DN19;4SP-12;38Mpa
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. 41

4187388

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,200 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. 19

4205337

Installation route: 大臂(中段)~接头(大臂)

Length: 950 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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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 EX100WD Boom Assembly?

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 EX100WD Boom Assembly?

Based on published records with valid lengths, the range is 700–1,200 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX100WD Boom Assembly?

The most frequent raw specifications in the current published records are: DN12;4SP-8;27.5MPa (3 records), DN19;4SP-12;38Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX100WD Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4200475: left American female thread, flat-face seal; right American female thread, flat-face seal; 4188986: left American female thread, flat-face seal; right American female thread, flat-face seal; 4188905: 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 EX100WD Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 18 (4200475), Pipe No. 15 (4188986), Pipe No. 34 (4188905), Pipe No. 41 (4187388). Open a record to compare its installation position with the linked manual page.