Hydraulic line repair data

Hitachi ZX250LC-6N Hose Repair Data

Hitachi ZX250LC-6N currently has 91 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 91 records
Full specifications: 91 records
Systems: 13 systems
Length range: 350–3,630 mm

Hose repair details

Hose Length and Fitting List

Showing 36 representative records. Return to the finder for a more specific search.

Diagram Pipe No. 3

4648204

Installation route: 破碎器踏板~进回油阀

Length: 550 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 45°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. 15

4707578

Installation route: 左手柄~中转接头

Length: 3,300 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. 11

4250888

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

Length: 1,200 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 15

FF509627

Installation route: 过渡阀块(破碎器)~回油铁管(液压油箱)

Length: 800 mm
Specification: DN31;1SN-20;6.3Mpa
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. 3

4473135

Installation route: 大臂油缸黄油管

Length: 3,100 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 15

4670781

Installation route: 大臂油缸左1/左4

Length: 850 mm
Specification: DN19;4SH-12;42MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 26

4453063

Installation route: 中转接头~分配阀上

Length: 630 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 29

9290833

Installation route: 电磁阀~电磁阀(液压泵)

Length: 1,000 mm
Specification: DN6;1SN-04;7Mpa
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. 2

4450249

Installation route: 行走踏板~中转接头

Length: 3,200 mm
Specification: DN10;1SN-6;7Mpa
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. 13

4656030

Installation route: 右手柄~中转接头

Length: 3,150 mm
Specification: DN10;1SN-06;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. 8

FF532281

Installation route: 液压泵~中转接头

Length: 1,490 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

4707586

Installation route: 右手柄~中转接头

Length: 3,200 mm
Specification: DN10;1SN-06;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. 7

4375306

Installation route: 行走踏板~中转接头

Length: 3,350 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. 21

4313429

Installation route: 回油铁管(液压油箱)~先导滤芯

Length: 1,100 mm
Specification: DN12;1SN-8;7Mpa
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. 17

4630936

Installation route: 中转接头~分配阀下

Length: 710 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 24

4267668

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

Length: 2,400 mm
Specification: DN13;2SN-08;27.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 14

4630940

Installation route: 中转接头~分配阀上

Length: 760 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 0

4713022

Installation route: 右手柄~进回油阀

Length: 2,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 0

4631052

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length: 3,600 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 23

4450505

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

Length: 2,500 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 26

4630946

Installation route: 分配阀下~电磁阀

Length: 850 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 5

4630949

Installation route: 电磁阀~中转接头

Length: 560 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 10

4308972

Installation route: 分配阀~过渡阀块(破碎器)

Length: 1,000 mm
Specification: DN25;4SP-16;34.5MPa
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. 8

4639629

Installation route: 行走踏板~中转接头

Length: 3,450 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 22

4630947

Installation route: 分配阀左~电磁阀

Length: 850 mm
Specification: DN6;1SN-04;7Mpa
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. 27

4689854

Installation route: 单踏板~进回油阀

Length: 530 mm
Specification: DN10;1SN-6;7Mpa
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. 1

4650823

Installation route: 大臂(前段)~大臂(后段)

Length: 1,650 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 22

4304470

Installation route: 液压泵~先导滤芯

Length: 1,250 mm
Specification: DN12;1SN-08;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. 18

4649405

Installation route: 中转接头~分配阀上

Length: 350 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 32

4249348

Installation route: 分配阀上~过渡阀块(分配阀)

Length: 1,150 mm
Specification: DN6;1SN-04;7Mpa
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. 26

FF532274

Installation route: 电磁阀~电磁阀(破碎器)

Length: 1,850 mm
Specification: DN10;1SN-6;7Mpa
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. 13

4643180

Installation route: 左手柄~中转接头

Length: 3,400 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. 8

4648918

Installation route: 分配阀左~过渡阀块(分配阀)

Length: 850 mm
Specification: DN6;1SN-04;7Mpa
Left fitting: 90°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

4630638

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

Length: 2,300 mm
Specification: DN19;4SH-12;42MPa
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. 0

4707581

Installation route: 左手柄~进回油阀

Length: 2,200 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

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Diagram Pipe No. 13

4629707

Installation route: 左手柄~中转接头

Length: 3,400 mm
Specification: DN10;1SN-06;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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Narrow the selection

Control Lever29 hoses Attachments – Breaker17 hoses Control Valve9 hoses Attachments6 hoses Boom Assembly5 hoses Swivel Joint5 hoses Hydraulic Pump5 hoses Pedal4 hoses Solenoid Valve3 hoses Grease Lines3 hoses Hydraulic Tank2 hoses Attachments – Other Kits2 hoses

Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

Which systems and hoses are currently listed for Hitachi ZX250LC-6N?

The current published data covers 13 systems and 91 hose records. Systems with more listed records include: Control Lever (29 hoses), Attachments – Breaker (17 hoses), Control Valve (9 hoses), Attachments (6 hoses), Boom Assembly (5 hoses), Swivel Joint (5 hoses).

What is the hose length range for Hitachi ZX250LC-6N?

Based on published records with valid lengths, the range is 350–3,630 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX250LC-6N?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (22 records), DN6;1SN-04;22.5MPa (20 records), DN10;1SN-06;18MPa (19 records), DN6;1SN-04;7Mpa (8 records), DN19;4SH-12;42MPa (5 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX250LC-6N?

Each record keeps the left and right fitting descriptions separate. Current examples: 4648204: left 45°美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4707578: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4250888: left American female thread, flat-face seal; right 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 ZX250LC-6N hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (4648204), Pipe No. 15 (4707578), Pipe No. 11 (4250888), Pipe No. 15 (FF509627). Open a record to compare its installation position with the linked manual page.

Hose Length and Fitting List

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Common Repair Questions