Hydraulic line repair data

Hitachi ZX350LC-3 Hose Repair Data

Hitachi ZX350LC-3 currently has 125 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 125 records
Full specifications: 125 records
Systems: 14 systems
Length range: 250–6,800 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. 9

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. 27

4604934

Installation route: 右手柄~中转接头

Length: 3,700 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

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. 66

4646458

Installation route: 回油铁管(液压油箱)~先导滤芯

Length: 1,350 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. 17

4653732

Installation route: 行走踏板~中转接头

Length: 3,750 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

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. 17A

4618390

Installation route: 左大臂油缸锁止阀~液压油箱

Length: 4,350 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. 28

4657030

Installation route: 回转马达~中转接头

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. 18

4630935

Installation route: 中转接头~分配阀下

Length: 900 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. 13

4654322

Installation route: 大臂油缸

Length: 840 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. 32

4603607

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. 61

4655142

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

Length: 1,000 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. 37

4670767

Installation route: 模式转换阀~中转接头

Length: 1,900 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. 6

4650195

Installation route: 大臂(前段)~大臂(后段)

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. 12

4645667

Installation route: 电磁阀~电磁阀(液压泵)

Length: 1,200 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. 5

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. 36

4656801

Installation route: 液压泵~电磁阀(液压泵)

Length: 950 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. 34

4650840

Installation route: 大臂(前段)~大臂(后段)

Length: 1,650 mm
Specification: DN32;6SP-20;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. 29

4482948

Installation route: 回转接头~电磁阀

Length: 2,000 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. 25

4676582

Installation route: 大臂黄油管

Length: 6,800 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. 6

4404486

Installation route: 大臂(后段)~卸压安全阀(破碎器)

Length: 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: 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. 29

4642554

Installation route: 中转接头~电磁阀(液压泵)

Length: 1,800 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. 61

4656806

Installation route: 分配阀右~电磁阀

Length: 500 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. 4A

4668452

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 6,600 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. 24

4653742

Installation route: 右手柄~中转接头

Length: 3,650 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. 16

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. 66

4217383

Installation route: 回油铁管(液压油箱)~先导滤芯

Length: 1,400 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. 26

4639632

Installation route: 左手柄~进回油阀

Length: 1,900 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. 41

4651216

Installation route: 电磁阀~电磁阀(破碎器)

Length: 1,950 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. 0

YA00013151

Installation route: 分配阀上~回转马达

Length: 480 mm
Specification: DN25;1SN-16;8.8MPa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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

4260311

Installation route: 大臂(后段)~卸压安全阀(破碎器)

Length: 700 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. 24

4653742

Installation route: 右手柄~中转接头

Length: 3,650 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. 8

4648205

Installation route: 破碎器踏板~进回油阀

Length: 650 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. 0

4628911

Installation route: 分配阀上~回转马达

Length: 430 mm
Specification: DN25;1SN-16;8.8MPa
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. 16

4653736

Installation route: 行走踏板~中转接头

Length: 3,600 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. 50

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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Narrow the selection

Control Lever33 hoses Attachments – Breaker23 hoses Grease Lines12 hoses Swivel Joint10 hoses Control Valve7 hoses Hydraulic Tank7 hoses Boom Assembly6 hoses Solenoid Valve6 hoses Attachments6 hoses Attachments – Lock Valve5 hoses Pedal4 hoses Hydraulic Pump3 hoses Swing Motor2 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-3?

The current published data covers 14 systems and 125 hose records. Systems with more listed records include: Control Lever (33 hoses), Attachments – Breaker (23 hoses), Grease Lines (12 hoses), Swivel Joint (10 hoses), Control Valve (7 hoses), Hydraulic Tank (7 hoses).

What is the hose length range for Hitachi ZX350LC-3?

Based on published records with valid lengths, the range is 250–6,800 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX350LC-3?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (42 records), DN6;1SN-04;22.5MPa (23 records), DN10;1SN-6;7Mpa (17 records), DN32;4SP-20;35Mpa (7 records), DN13;1SN-08;16MPa (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-3?

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; 4604934: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4635303: left American female thread, flat-face seal; right 90° elbow, 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 ZX350LC-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 9 (4648204), Pipe No. 27 (4604934), Pipe No. 0 (4635303), Pipe No. 66 (4646458). 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