Hydraulic line repair data

Hitachi ZX190W-3 Hose Repair Data

Hitachi ZX190W-3 currently has 62 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 62 records
Full specifications: 62 records
Systems: 12 systems
Length range: 300–3,500 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. 33A

4448946

Installation route: 回转接头~铁管(推土铲)

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. 8

4436267

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 420 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

4628918

Installation route: 大臂油缸

Length: 850 mm
Specification: DN16;4SP-10;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. 46A

4269802

Installation route: 止动阀(破碎器)~接线板(大臂)

Length: 1,150 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. 54

9271400

Installation route: 回转接头~铁管(推土铲)

Length: 1,900 mm
Specification: DN10;1SN-6;18MPa
Left fitting: 美制内螺纹74°内锥双六角
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 13A

4670918

Installation route: 分配阀前~流速切换阀

Length: 1,650 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. 12

9271400

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,900 mm
Specification: DN10;1SN-6;18MPa
Left fitting: 美制内螺纹74°内锥双六角
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 35

4663676

Installation route: 液压泵~分配阀(进油)

Length: 1,850 mm
Specification: DN22;4SP-14;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. 4

4655847

Installation route: 液压泵~电磁阀(隔板)

Length: 2,650 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. 22

4474678

Installation route: 回转马达~回油铁管(分配阀)

Length: 550 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. 45A

4313427

Installation route: 控制阀(破碎器)~回油铁管(液压油箱)

Length: 1,000 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. 37

4692543

Installation route: 控制阀(分节大臂)~电磁阀(隔板)

Length: 1,650 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. 86A

4436269

Installation route: 前电磁阀(支腿架)~后电磁阀(支腿架)

Length: 350 mm
Specification: DN10;1SN-06;18MPa
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. 25A

4420423

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

Length: 500 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. 34

4451995

Installation route: 分配阀下~分配阀左

Length: 350 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. 23A

4603615

Installation route: 中转接头~电磁阀(隔板)

Length: 3,500 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. 36A

4657309

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

Length: 420 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. 23A

4480078

Installation route: 分配阀~电磁阀

Length: 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. 31

9265954

Installation route: 回转接头~电磁阀

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. 41

4665730

Installation route: 电磁阀~电磁阀(破碎器)

Length: 3,100 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. 45

9254556

Installation route: 控制阀(破碎器)~回油铁管(液压油箱)

Length: 1,000 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. 20A

4655642

Installation route: 分配阀左前~铁管(回转马达)

Length: 1,500 mm
Specification: DN19;4SP-12;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 4

4652746

Installation route: 小臂破碎器截止阀右

Length: 1,600 mm
Specification: DN25;4SP-16;35Mpa
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. 20

9280188

Installation route: 中转接头~电磁阀(踏板)

Length: 3,100 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. 22A

4674828

Installation route: 电磁阀液压管路

Length: 450 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. 31A

4436269

Installation route: 回转接头~回转接头下

Length: 350 mm
Specification: DN10;1SN-06;18MPa
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. 22

9286090

Installation route: 电磁阀液压管路

Length: 450 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. 20A

4437078

Installation route: 中转接头~电磁阀(踏板)

Length: 3,100 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. 5

4429017

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

Length: 2,940 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. 34A

4664725

Installation route: 左手柄~中转接头

Length: 3,500 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. 30

4659943

Installation route: 轮上作动筒~铁管(作动筒)

Length: 760 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. 26

4664651

Installation route: 中转接头~分配阀左

Length: 900 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. 22A

4655863

Installation route: 液压油箱~中转接头

Length: 2,800 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. 23A

4682879

Installation route: 中转接头~电磁阀(隔板)

Length: 3,450 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. 28

4644709

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length: 1,350 mm
Specification: DN19;4SP-12;35Mpa
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. 11A

4664649

Installation route: 电磁阀(隔板)~中转接头

Length: 3,250 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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Narrow the selection

Attachments14 hoses Attachments – Breaker13 hoses Swivel Joint11 hoses Control Lever5 hoses Boom Assembly4 hoses Control Valve3 hoses Hydraulic Pump3 hoses Attachments – Lock Valve3 hoses Swing Motor2 hoses Hydraulic Tank2 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 ZX190W-3?

The current published data covers 12 systems and 62 hose records. Systems with more listed records include: Attachments (14 hoses), Attachments – Breaker (13 hoses), Swivel Joint (11 hoses), Control Lever (5 hoses), Boom Assembly (4 hoses), Control Valve (3 hoses).

What is the hose length range for Hitachi ZX190W-3?

Based on published records with valid lengths, the range is 300–3,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX190W-3?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (16 records), DN10;1SN-06;18MPa (8 records), DN6;1SN-4;7Mpa (8 records), DN10;1SN-6;18MPa (4 records), DN12;1SN-8;7Mpa (4 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX190W-3?

Each record keeps the left and right fitting descriptions separate. Current examples: 4448946: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4436267: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4628918: 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 ZX190W-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 33A (4448946), Pipe No. 8 (4436267), Pipe No. 20 (4628918), Pipe No. 46A (4269802). 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