Hydraulic line repair data

Hitachi EX220LC-3 Swivel Joint Hose List

Hitachi EX220LC-3 Swivel Joint currently has 9 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 9 records
Full specifications: 9 records
Systems: 1 systems
Length range: 780–2,500 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 1

4254419

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

Length: 2,150 mm
Specification: DN19;4SP-12;38Mpa
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. 70A

4277867

Installation route: 回转接头~回油铁管(液压油箱)

Length: 780 mm
Specification: DN10;1层纤维-6;14MPa
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. 0

4258300

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

Length: 2,300 mm
Specification: DN19;4SP-12;38Mpa
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

4257238

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

Length: 2,300 mm
Specification: DN6;1SN-4;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. 21

4269812

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

Length: 2,500 mm
Specification: DN6;1SN-4;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. 1

4258301

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

Length: 2,300 mm
Specification: DN19;4SP-12;38Mpa
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. 14

4266183

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

Length: 2,400 mm
Specification: DN12;4层纤维层-8;3MPa
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. 14

4262932

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

Length: 2,200 mm
Specification: DN12;4层纤维层-8;3MPa
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. 0

4254418

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

Length: 2,150 mm
Specification: DN19;4SP-12;38Mpa
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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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 EX220LC-3 Swivel Joint?

There are 9 published records. 9 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX220LC-3 Swivel Joint?

Based on published records with valid lengths, the range is 780–2,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX220LC-3 Swivel Joint?

The most frequent raw specifications in the current published records are: DN19;4SP-12;38Mpa (4 records), DN12;4层纤维层-8;3MPa (2 records), DN6;1SN-4;7Mpa (2 records), DN10;1层纤维-6;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 EX220LC-3 Swivel Joint?

Each record keeps the left and right fitting descriptions separate. Current examples: 4254419: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4277867: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4258300: 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 EX220LC-3 Swivel Joint hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (4254419), Pipe No. 70A (4277867), Pipe No. 0 (4258300), Pipe No. 21 (4257238). Open a record to compare its installation position with the linked manual page.