Hydraulic line repair data

Hitachi EX50UNA Attachments – Breaker Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 760–1,250 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. 4

4426459

Installation route: 大臂(破碎器)~过渡阀块(大臂下)

Length: 760 mm
Specification: DN12;2SN-8;27.5MPa
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. 17

4426456

Installation route: 过渡阀块(破碎器)~过渡阀块(大臂下)

Length: 1,250 mm
Specification: DN12;2SN-8;27.5MPa
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. 5

4426461

Installation route: 大臂(破碎器)~过渡阀块(大臂下)

Length: 800 mm
Specification: DN12;2SN-8;27.5MPa
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. 19

4426458

Installation route: 过渡阀块(破碎器)~回油铁管(散热器)

Length: 970 mm
Specification: DN19;4层纤维-12;3.5MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 45°英制内螺纹30°外锥

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Diagram Pipe No. 9

4426427

Installation route: 小臂破碎器截止阀

Length: 720 mm
Specification: DN12;2SN-8;27.5MPa
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. 18

4426457

Installation route: 分配阀上左~过渡阀块(破碎器)

Length: 420 mm
Specification: DN12;2SN-8;27.5MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 90°英制内螺纹30°外锥

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Diagram Pipe No. 16

4426455

Installation route: 分配阀上右~过渡阀块(大臂下)

Length: 1,200 mm
Specification: DN12;2SN-8;27.5MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 90°英制内螺纹30°外锥

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 EX50UNA Attachments – Breaker?

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 EX50UNA Attachments – Breaker?

Based on published records with valid lengths, the range is 760–1,250 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX50UNA Attachments – Breaker?

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

How can I identify the left and right hose fittings for Hitachi EX50UNA Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4426459: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4426456: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4426461: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX50UNA Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 4 (4426459), Pipe No. 17 (4426456), Pipe No. 5 (4426461). Open a record to compare its installation position with the linked manual page.