Hydraulic line repair data

Hitachi ZX230LC Hose Repair Data

Hitachi ZX230LC 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: 15 systems
Length range: 400–6,370 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. 7

4285795

Installation route: 先导泵~控制阀(辅助)

Length: 500 mm
Specification: DN12;4SP-8;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. 10

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. 11

4383513

Installation route: 分配阀后~慢速回流阀

Length: 1,350 mm
Specification: DN10;2SN-6;34.5MPa
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

4448853

Installation route: 分配阀左~电磁阀

Length: 1,050 mm
Specification: DN6;1SN-4;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

4374426

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

Length: 2,980 mm
Specification: DN5;2层纤维-3;14MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 公制卡套式

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Diagram Pipe No. 1

4427111

Installation route: 中转接头~分配阀右

Length: 700 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

4465617

Installation route: 进回油阀~中转接头

Length: 3,200 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. 1

4437656

Installation route: 左手柄~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. 10

4444730

Installation route: 电磁阀~进回油阀

Length: 3,550 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. 19A

4374424

Installation route: 大臂油缸管路

Length: 2,800 mm
Specification: DN6;1SN-4;10.5MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 公制卡套式

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Diagram Pipe No. 14

4607964

Installation route: 行走踏板~中转接头

Length: 3,000 mm
Specification: DN10;1SN-06;18.0MPa
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

4305255

Installation route: 先导泵~控制阀(辅助)

Length: 500 mm
Specification: DN12;2SN-8;21Mpa
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. 33

9243511

Installation route: 机油管

Length: 1,350 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. 8

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

4431844

Installation route: 行走踏板~中转接头

Length: 3,000 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. 17

4437944

Installation route: 电磁阀~进回油阀

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. 13

4459263

Installation route: 行走踏板~中转接头

Length: 3,050 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. 3

4374433

Installation route: 大臂黄油管

Length: 6,370 mm
Specification: DN5;2层纤维-3;14MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 公制卡套式

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Diagram Pipe No. 21

4444719

Installation route: 右手柄~中转接头

Length: 2,900 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

4608801

Installation route: 行走踏板~中转接头

Length: 3,150 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. 9

4270447

Installation route: 破碎器踏板~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: 美制内螺纹37°内锥

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Diagram Pipe No. 9

4442133

Installation route: 液压泵~堵头(减震管)

Length: 600 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. 40A

4437638

Installation route: 快换踏板~过渡阀块(快换)

Length: 2,950 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

4331726

Installation route: 回油铁管(液压油箱)~先导滤芯

Length: 1,700 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. 1

4437071

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

4188920

Installation route: 大臂(破碎器)~卸压安全阀(破碎器)

Length: 800 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 33A

4435692

Installation route: 机油管

Length: 1,350 mm
Specification: DN16;1SN-10;13Mpa
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

4437653

Installation route: 左手柄~进回油阀

Length: 1,950 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. 19

4443896

Installation route: 右手柄~中转接头

Length: 2,900 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. 2

4437072

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

Length: 2,920 mm
Specification: DN6;2层纤维-4;14MPa
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

4607990

Installation route: 行走踏板~中转接头

Length: 3,150 mm
Specification: DN10;1SN-06;18.0MPa
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. 5

4437938

Installation route: 回转接头~电磁阀

Length: 1,600 mm
Specification: DN6;1SN-04;22.5MPa
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. 12

4435036

Installation route: 中转接头~分配阀下

Length: 1,000 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. 3

4437634

Installation route: 左手柄~中转接头

Length: 2,950 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. 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. 33

4452733

Installation route: 过渡阀块(辅助)~过渡阀块

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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Narrow the selection

Control Lever15 hoses Attachments14 hoses Swivel Joint11 hoses Pedal8 hoses Grease Lines7 hoses Control Valve4 hoses Hydraulic Tank4 hoses Engine Oil Lines3 hoses Solenoid Valve3 hoses Attachments – Quick Coupler3 hoses Attachments – Breaker3 hoses Attachments – Lock Valve3 hoses Boom Assembly2 hoses Supply and Return Valve2 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 ZX230LC?

The current published data covers 15 systems and 83 hose records. Systems with more listed records include: Control Lever (15 hoses), Attachments (14 hoses), Swivel Joint (11 hoses), Pedal (8 hoses), Grease Lines (7 hoses), Control Valve (4 hoses).

What is the hose length range for Hitachi ZX230LC?

Based on published records with valid lengths, the range is 400–6,370 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX230LC?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (26 records), DN6;1SN-04;22.5MPa (14 records), DN6;1SN-4;7Mpa (7 records), DN10;1SN-6;7Mpa (6 records), DN19;4SP-12;38Mpa (5 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX230LC?

Each record keeps the left and right fitting descriptions separate. Current examples: 4285795: left American female thread, flat-face seal; right American female thread, flat-face seal; 4427351: left 90°美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4383513: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX230LC hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 7 (4285795), Pipe No. 10 (4427351), Pipe No. 11 (4383513), Pipe No. 8 (4448853). 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