Hydraulic line repair data

Hitachi EX550LC-5 Attachments – Breaker Hose List

Coverage details

Hoses: 2 records
Full specifications: 2 records
Systems: 1 systems
Length range: 700–900 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

Pipe number, part number, route, length, or fittingSearch another machine

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 57

4268958

Installation route: 过渡阀块(破碎器)~破碎器滤芯

Length: 700 mm
Specification: DN32;2SN-20;7MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 10

4343209

Installation route: 大臂(后段)~卸压安全阀(破碎器)

Length: 900 mm
Specification: DN32;4SP-20;32Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 21

4374844

Installation route: 破碎器滤芯~回油铁管(液压油箱)

Length: 1,300 mm
Specification: DN32;2SN-20;7MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 31

4375185

Installation route: 破碎器踏板~过渡阀块(踏板)

Length: 1,000 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. 32

4375184

Installation route: 破碎器踏板~过渡阀块(踏板)

Length: 1,000 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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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 EX550LC-5 Attachments – Breaker?

There are 2 published records. 2 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX550LC-5 Attachments – Breaker?

Based on published records with valid lengths, the range is 700–900 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX550LC-5 Attachments – Breaker?

The most frequent raw specifications in the current published records are: DN32;2SN-20;7MPa (1 records), DN32;4SP-20;32Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX550LC-5 Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4268958: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4343209: left American female thread, flat-face seal; right 90° elbow, 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 EX550LC-5 Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 57 (4268958), Pipe No. 10 (4343209). Open a record to compare its installation position with the linked manual page.