Hydraulic line repair data

Hitachi EX550LC Attachments Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 440–4,800 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. 11

4218085

Installation route: 配重自卸踏板~过渡阀块(配重自卸)

Length: 4,800 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. 10

4290170

Installation route: 配重自卸踏板~过渡阀块(配重自卸)

Length: 440 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. 9

4248610

Installation route: 分配阀上左~过渡阀块(配重自卸)

Length: 3,500 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. 20

4357742

Installation route: 配重自卸油缸~过渡阀块(配重自卸)

Length: 900 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. 21

4357727

Installation route: 配重自卸油缸~过渡阀块(配重自卸)

Length: 6,300 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. 3

4322515

Installation route: 铁管(大臂油缸)~压力开关阀

Length: 830 mm
Specification: DN6;2SN-4;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

4357741

Installation route: 分配阀左~过渡阀块(配重自卸)

Length: 950 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

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 EX550LC Attachments?

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 EX550LC Attachments?

Based on published records with valid lengths, the range is 440–4,800 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX550LC Attachments?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX550LC Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 4218085: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4290170: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4248610: left 美制内螺纹37°内锥; right 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 EX550LC Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 11 (4218085), Pipe No. 10 (4290170), Pipe No. 9 (4248610). Open a record to compare its installation position with the linked manual page.