Hydraulic line repair data

Hitachi ZX290LC-5G Hose Repair Data

Hitachi ZX290LC-5G currently has 83 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 83 records
Full specifications: 83 records
Systems: 12 systems
Length range: 350–3,450 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. 16

4358894

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length: 670 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. 7

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. 18

4452733

Installation route: 分配阀右~电磁阀

Length: 450 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. 12

4656533

Installation route: 右手柄~中转接头

Length: 3,100 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. 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. 4

4227045

Installation route: 液压泵~先导滤芯

Length: 650 mm
Specification: DN13;1SN-08;16MPa
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. 11

4652299

Installation route: 中转接头~回转马达

Length: 650 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. 15

4630939

Installation route: 中转接头~分配阀上

Length: 360 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. 11

4630933

Installation route: 中转接头~分配阀下

Length: 1,150 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Diagram Pipe No. 23

4304469

Installation route: 回油铁管(液压油箱)~先导滤芯

Length: 1,200 mm
Specification: DN12;1SN-8;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. 9

4470393

Installation route: 分配阀上~电磁阀

Length: 350 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. 6

4643029

Installation route: 分配阀上~分配阀右

Length: 550 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 45°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. 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. 4

4631051

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length: 3,000 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. 11

4622750

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 750 mm
Specification: DN25;4SH-16;38.8MPa
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. 17

4445276

Installation route: 液压油箱~电磁阀

Length: 400 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. 12

4620800

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 770 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 11

4689854

Installation route: 分配阀上~液压油箱

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

4447490

Installation route: 回转接头~电磁阀

Length: 1,750 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. 2

4427351

Installation route: 分配阀左~分配阀左

Length: 450 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 90°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. 12

4644625

Installation route: 液压泵~吸油铁管

Length: 680 mm
Specification: DN19;2SN-12;21.5MPa
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. 1

4700140

Installation route: 液压泵~中转接头

Length: 2,050 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. 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. 17

FF509627

Installation route: 过渡阀块(破碎器)~回油铁管(分配阀)

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. 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. 0

4635303

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

Length: 2,400 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: 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. 19

4630937

Installation route: 中转接头~分配阀下

Length: 750 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. 10

4483563

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length: 2,900 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. 7

4459641

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

Length: 2,550 mm
Specification: DN13;1SN-08;16MPa
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. 11

4707588

Installation route: 右手柄~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: 美制内螺纹37°内锥

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Diagram Pipe No. 20

4359700

Installation route: 电磁阀~先导滤芯

Length: 1,200 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. 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. 1

4642975

Installation route: 回转接头~回油铁管(液压油箱)

Length: 2,250 mm
Specification: DN13;2SN-08;27.5MPa
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

4648912

Installation route: 中转接头~分配阀左

Length: 950 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. 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. 4

4635267

Installation route: 分配阀上~液压油箱

Length: 600 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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Narrow the selection

Control Lever27 hoses Control Valve14 hoses Boom Assembly7 hoses Attachments – Breaker7 hoses Swivel Joint6 hoses Hydraulic Tank5 hoses Solenoid Valve5 hoses Hydraulic Pump4 hoses Grease Lines3 hoses Pedal2 hoses Attachments2 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 ZX290LC-5G?

The current published data covers 12 systems and 83 hose records. Systems with more listed records include: Control Lever (27 hoses), Control Valve (14 hoses), Boom Assembly (7 hoses), Attachments – Breaker (7 hoses), Swivel Joint (6 hoses), Hydraulic Tank (5 hoses).

What is the hose length range for Hitachi ZX290LC-5G?

Based on published records with valid lengths, the range is 350–3,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX290LC-5G?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (21 records), DN6;1SN-04;22.5MPa (19 records), DN10;1SN-6;7Mpa (13 records), DN6;1SN-04;7Mpa (7 records), DN13;1SN-08;16MPa (4 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX290LC-5G?

Each record keeps the left and right fitting descriptions separate. Current examples: 4358894: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4630946: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4452733: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX290LC-5G hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 16 (4358894), Pipe No. 7 (4630946), Pipe No. 18 (4452733), Pipe No. 12 (4656533). 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