Hydraulic line repair data

Hitachi EX27U Boom Assembly Hose List

Coverage details
Hoses
1 records
Full specifications
1 records
Systems
1 systems
Length range
900–900 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. 2

4428819

Installation route: 大臂油缸

Length
900 mm
Specification
DN10;2SN-6;20.5MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 27

4427874

Installation route: 大臂摆动油缸后

Length
1,230 mm
Specification
DN6;1SN-4;20.5MPa
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

Diagram Pipe No. 28

4427875

Installation route: 大臂摆动油缸前

Length
1,170 mm
Specification
DN6;1SN-4;20.5MPa
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 EX27U Boom Assembly?

There are 1 published records. 1 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX27U Boom Assembly?

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

Which hose specifications are common for Hitachi EX27U Boom Assembly?

The most frequent raw specifications in the current published records are: DN10;2SN-6;20.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX27U Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4428819: left 英制内螺纹30°外锥; right 英制外螺纹30°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX27U Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 2 (4428819). Open a record to compare its installation position with the linked manual page.

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