Hydraulic line repair data

Hitachi ZX350F Hose Repair Data

Hitachi ZX350F currently has 61 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 61 records
Full specifications: 61 records
Systems: 8 systems
Length range: 500–3,150 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. 31

4465687

Installation route: 分配阀下~液压油箱

Length: 1,600 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. 35

4618606

Installation route: 液压泵~电磁阀(液压泵)

Length: 520 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. 64

4461525

Installation route: 液压油箱~电磁阀(液压泵)

Length: 2,600 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. 31

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. 22

4438290

Installation route: 右手柄~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. 2A

4618606

Installation route: 分配阀前~回转马达

Length: 520 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. 54

4456548

Installation route: 中转接头~分配阀上

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. 8

9190851

Installation route: 回转马达~电磁阀

Length: 700 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. 59

4456549

Installation route: 中转接头~分配阀下

Length: 1,500 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. 14

4437794

Installation route: 分配阀左~电磁阀(液压泵)

Length: 3,150 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. 36

4413313

Installation route: 液压泵~先导滤芯

Length: 1,050 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. 14

4398302

Installation route: 右手柄~中转接头

Length: 1,700 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

4456559

Installation route: 左手柄~中转接头

Length: 1,750 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. 32

9243848

Installation route: 分配阀后~液压油箱

Length: 1,350 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. 12

9196720

Installation route: 大臂左2

Length: 1,780 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: Light-series flangeOriginal Chinese: 法兰-轻型

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Diagram Pipe No. 13

4442331

Installation route: 液压泵~电磁阀(液压泵)

Length: 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. 11

9163647

Installation route: 回转接头~分配阀左上/右上

Length: 1,450 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: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 43

4437741

Installation route: 分配阀下~分配阀右

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. 21A

4437902

Installation route: 分配阀左~分配阀左

Length: 1,100 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. 16A

4428617

Installation route: 机油管

Length: 1,300 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. 35

4436293

Installation route: 液压泵~电磁阀(液压泵)

Length: 500 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

9190861

Installation route: 分配阀左~分配阀左

Length: 1,100 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. 15A

4608498

Installation route: 机油管

Length: 700 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: 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. 15A

4625788

Installation route: 机油管

Length: 700 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. 64

4456554

Installation route: 中转接头~分配阀左

Length: 1,300 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

View full repair specifications

Diagram Pipe No. 16

4442331

Installation route: 分配阀右~电磁阀

Length: 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. 57

4456552

Installation route: 中转接头~分配阀上

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. 6

4427152

Installation route: 分配阀上~液压油箱

Length: 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. 2

9190854

Installation route: 分配阀前~回转马达

Length: 500 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. 24

9190865

Installation route: 分配阀上~分配阀左

Length: 1,100 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

4438288

Installation route: 右手柄~进回油阀

Length: 1,700 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. 16A

4625787

Installation route: 机油管

Length: 900 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. 21

4456558

Installation route: 左手柄~中转接头

Length: 1,750 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. 15A

4443751

Installation route: 机油管

Length: 1,200 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. 27

9190867

Installation route: 分配阀下~分配阀左

Length: 1,000 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. 60

4446129

Installation route: 中转接头~分配阀下

Length: 1,500 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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Narrow the selection

Control Lever23 hoses Control Valve18 hoses Engine Oil Lines7 hoses Hydraulic Pump4 hoses Swivel Joint3 hoses Hydraulic Tank3 hoses Boom Assembly2 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 ZX350F?

The current published data covers 8 systems and 61 hose records. Systems with more listed records include: Control Lever (23 hoses), Control Valve (18 hoses), Engine Oil Lines (7 hoses), Hydraulic Pump (4 hoses), Swivel Joint (3 hoses), Hydraulic Tank (3 hoses).

What is the hose length range for Hitachi ZX350F?

Based on published records with valid lengths, the range is 500–3,150 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX350F?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (27 records), DN6;1SN-04;22.5MPa (18 records), DN16;1SN-10;13Mpa (4 records), DN13;2SN-08;27.5MPa (3 records), DN19;1SN-12;10.5MPa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX350F?

Each record keeps the left and right fitting descriptions separate. Current examples: 4465687: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4618606: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4461525: 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 ZX350F hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 31 (4465687), Pipe No. 35 (4618606), Pipe No. 64 (4461525), Pipe No. 31 (4437656). 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