Hydraulic line repair data

Hitachi ZX350LC-5A Hose Repair Data

Hitachi ZX350LC-5A currently has 75 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 75 records
Full specifications: 75 records
Systems: 14 systems
Length range: 350–4,500 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. 19

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. 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. 13

4628956

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

Length: 900 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. 18

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. 8

4656788

Installation route: 液压泵~吸油铁管

Length: 850 mm
Specification: DN19;1SN-12;10.5MPa
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. 18

4728136

Installation route: 回转马达~中转接头

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. 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

4656027

Installation route: 左手柄~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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Diagram Pipe No. 10

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. 9

9263974

Installation route: 大臂左1/左4

Length: 1,700 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° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 13

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. 26

4470393

Installation route: 过渡阀块(破碎器)~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. 20

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

4429283

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

Length: 2,600 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. 15

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. 16

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. 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

9254556

Installation route: 液压泵~先导滤芯

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. 23

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. 26

4713021

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. 11

4715621

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

Length: 1,000 mm
Specification: DN25;4SP-16;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. 18

4650823

Installation route: 大臂(前段)~大臂(后段)

Length: 1,650 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: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 4

4648997

Installation route: 小臂破碎器截止阀

Length: 2,550 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. 11

4630938

Installation route: 中转接头~分配阀上

Length: 380 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

4655171

Installation route: 行走踏板~中转接头

Length: 3,400 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. 15

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. 16

4316009

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length: 3,650 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. 8

4633934

Installation route: 进回油阀~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. 14

4630932

Installation route: 中转接头~分配阀下

Length: 1,200 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. 34

4637310

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

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. 8

4349412

Installation route: 回油铁管(液压油箱)~回转马达

Length: 1,050 mm
Specification: DN13;1SN-08;16MPa
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

4630941

Installation route: 中转接头~分配阀上

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. 1

4635305

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. 5

4642276

Installation route: 小臂破碎器截止阀

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. 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. 25

4648580

Installation route: 液压油箱~电磁阀

Length: 390 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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Narrow the selection

Control Lever21 hoses Attachments – Breaker15 hoses Boom Assembly7 hoses Control Valve5 hoses Swivel Joint5 hoses Grease Lines5 hoses Hydraulic Tank4 hoses Hydraulic Pump4 hoses Pedal3 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 ZX350LC-5A?

The current published data covers 14 systems and 75 hose records. Systems with more listed records include: Control Lever (21 hoses), Attachments – Breaker (15 hoses), Boom Assembly (7 hoses), Control Valve (5 hoses), Swivel Joint (5 hoses), Grease Lines (5 hoses).

What is the hose length range for Hitachi ZX350LC-5A?

Based on published records with valid lengths, the range is 350–4,500 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX350LC-5A?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (24 records), DN6;1SN-04;22.5MPa (18 records), DN10;1SN-6;7Mpa (8 records), DN32;4SP-20;35Mpa (6 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-5A?

Each record keeps the left and right fitting descriptions separate. Current examples: 4650840: left American female thread, flat-face seal; right American female thread, flat-face seal; 4676587: left American female thread, flat-face seal; right American female thread, flat-face seal; 4628956: 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 ZX350LC-5A hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 19 (4650840), Pipe No. 13 (4676587), Pipe No. 13 (4628956), Pipe No. 18 (4630946). 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