Hydraulic line repair data

Hitachi EX17U Swivel Joint Hose List

Coverage details
Hoses
3 records
Full specifications
3 records
Systems
1 systems
Length range
810–830 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. 17

4453171

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
830 mm
Specification
DN6;2层纤维-4;14MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制内螺纹30°外锥
View full repair specifications

Diagram Pipe No. 14

4453168

Installation route: 回转接头~右行走马达

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

Diagram Pipe No. 13

4453167

Installation route: 回转接头~左行走马达

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

Diagram Pipe No. 16

4453399

Installation route: 回转接头~分配阀上右

Length
420 mm
Specification
DN10;2SN-6;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. 18

4453401

Installation route: 回转接头~分配阀上右

Length
390 mm
Specification
DN10;2SN-6;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. 15

4453398

Installation route: 回转接头~分配阀上左

Length
480 mm
Specification
DN10;2SN-6;20.5MPa
Left fitting
90°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. 27

4453406

Installation route: 回转接头左~分配阀上左

Length
950 mm
Specification
DN6;1SN-4;20.5MPa
Left fitting
90°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. 48

4451295

Installation route: 回转接头~电磁阀

Length
660 mm
Specification
DN5;1SN-03;7Mpa
Left fitting
90°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

4453407

Installation route: 回转接头右~分配阀上右

Length
1,200 mm
Specification
DN6;1SN-4;20.5MPa
Left fitting
90°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. 18

4454730

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
1,040 mm
Specification
DN6;2层纤维-4;14MPa
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. 15

4453169

Installation route: 回转接头~左行走马达

Length
820 mm
Specification
DN10;2SN-6;20.5MPa
Left fitting
英制内螺纹30°外锥
Right fitting
45°英制内螺纹30°外锥
View full repair specifications

Diagram Pipe No. 16

4453170

Installation route: 回转接头~右行走马达

Length
820 mm
Specification
DN10;2SN-6;20.5MPa
Left fitting
英制内螺纹30°外锥
Right fitting
45°英制内螺纹30°外锥
View full repair specifications

Diagram Pipe No. 17

4453400

Installation route: 回转接头~分配阀上左

Length
520 mm
Specification
DN10;2SN-6;20.5MPa
Left fitting
90°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. 50

4451272

Installation route: 回转接头~液压油箱

Length
1,090 mm
Specification
DN5;1SN-03;7Mpa
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 EX17U Swivel Joint?

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 EX17U Swivel Joint?

Based on published records with valid lengths, the range is 810–830 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX17U Swivel Joint?

The most frequent raw specifications in the current published records are: DN10;2SN-6;20.5MPa (2 records), DN6;2层纤维-4;14MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX17U Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 4453171: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4453168: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4453167: 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 EX17U Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 17 (4453171), Pipe No. 14 (4453168), Pipe No. 13 (4453167). Open a record to compare its installation position with the linked manual page.

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