Hydraulic line repair data

Hitachi ZX350LC-6N Hose Repair Data

Hitachi ZX350LC-6N currently has 102 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 102 records
Full specifications: 102 records
Systems: 14 systems
Length range: 250–4,500 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. 14

4668866

Installation route: 回油铁管(液压油箱)~

Length: 2,050 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. 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. 7

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. 21

4671343

Installation route: 中转接头~流速切换阀

Length: 1,500 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. 4

4642276

Installation route: 小臂破碎器截止阀右

Length: 1,650 mm
Specification: DN32;4SP-20;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. 50

4468180

Installation route: 电磁阀~

Length: 1,130 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. 8

4712183

Installation route: 中转接头~电磁阀(液压泵)

Length: 1,000 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. 5

4630952

Installation route: 中转接头~分配阀下

Length: 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. 19

4276003

Installation route: 流速切换阀~过渡阀块(流速切换)

Length: 2,000 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. 1

4402701

Installation route: 分配阀后~

Length: 720 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. 35

4637310

Installation route: 过渡阀块(破碎器)~

Length: 920 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: 45°美制内螺纹平面密封

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Diagram Pipe No. 24

FF528673

Installation route: 电磁阀~电磁阀(液压泵)

Length: 2,050 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. 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. 27

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. 13

4707578

Installation route: 左手柄~模式转换阀

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. 6

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. 27

4447441

Installation route: 电磁阀~先导滤芯

Length: 2,500 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. 4

4218064

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

Length: 3,400 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. 34

4650195

Installation route: 大臂(破碎器)~过渡阀块(破碎器)

Length: 1,700 mm
Specification: DN32;4SP-20;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. 6

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. 12

4257291

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

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. 13

4656809

Installation route: 分配阀右~电磁阀

Length: 410 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

4715421

Installation route: 电磁阀~

Length: 1,050 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. 9

4630934

Installation route: 中转接头~分配阀下

Length: 1,050 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. 33

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. 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. 12

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. 17

4656029

Installation route: 左手柄~模式转换阀

Length: 3,150 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

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. 25

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. 11

4656805

Installation route: 分配阀下~分配阀前

Length: 250 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. 7

4450058

Installation route: 模式转换阀~中转接头

Length: 1,700 mm
Specification: DN10;1SN-6;18MPa
Left fitting: 美制内螺纹74°内锥双六角
Right fitting: 美制内螺纹74°内锥双六角

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Diagram Pipe No. 8

4702035

Installation route: 单踏板~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: 90°美制内螺纹37°内锥

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Diagram Pipe No. 12

4628957

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

Length: 900 mm
Specification: DN32;6SH-20;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. 13

4676587

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

Length: 880 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. 22

4661819

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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Narrow the selection

Control Lever32 hoses Attachments – Breaker15 hoses Control Valve9 hoses Attachments8 hoses Boom Assembly7 hoses Solenoid Valve6 hoses Hydraulic Tank5 hoses Pedal5 hoses Swivel Joint4 hoses Grease Lines4 hoses Hydraulic Pump3 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 ZX350LC-6N?

The current published data covers 14 systems and 102 hose records. Systems with more listed records include: Control Lever (32 hoses), Attachments – Breaker (15 hoses), Control Valve (9 hoses), Attachments (8 hoses), Boom Assembly (7 hoses), Solenoid Valve (6 hoses).

What is the hose length range for Hitachi ZX350LC-6N?

Based on published records with valid lengths, the range is 250–4,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX350LC-6N?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (27 records), DN10;1SN-6;7Mpa (25 records), DN6;1SN-04;22.5MPa (17 records), DN32;4SP-20;35Mpa (5 records), DN6;1SN-04;7Mpa (5 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX350LC-6N?

Each record keeps the left and right fitting descriptions separate. Current examples: 4668866: left 美制内螺纹74°内锥双六角; right 90°美制内螺纹74°内锥; 4630936: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4427111: left 美制内螺纹74°内锥; right 90°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 ZX350LC-6N hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 14 (4668866), Pipe No. 17 (4630936), Pipe No. 7 (4427111), Pipe No. 21 (4671343). 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