Hydraulic line repair data

Hitachi ZX75US-5N Hose Repair Data

Hitachi ZX75US-5N currently has 24 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses
24 records
Full specifications
24 records
Systems
10 systems
Length range
450–2,000 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 72

4672437

Installation route: 回转马达~先导滤芯(液压油箱)

Length
1,500 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
View full repair specifications

Diagram Pipe No. 5

4252872

Installation route: 大臂(前段)~大臂(后段)

Length
520 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
View full repair specifications

Diagram Pipe No. 15

4317872

Installation route: 分配阀后~电磁阀

Length
1,200 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
View full repair specifications

Diagram Pipe No. 8

4705861

Installation route: 左手柄~进回油阀

Length
1,100 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
View full repair specifications

Diagram Pipe No. 2

4455438

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

Length
1,400 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
View full repair specifications

Diagram Pipe No. 16

4486003

Installation route: 行走推杆~进回油阀

Length
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
View full repair specifications

Diagram Pipe No. 3

4415081

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

Length
1,400 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

4645516

Installation route: 分配阀前~电磁阀

Length
1,650 mm
Specification
DN6;1SN-04;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 12

4418939

Installation route: 回转接头~推土铲油缸

Length
1,100 mm
Specification
DN12;2SN-8;25Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 21

4705861

Installation route: 模式转换阀~中转接头

Length
1,100 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
View full repair specifications

Diagram Pipe No. 6

4436304

Installation route: 行走推杆~分配阀后左

Length
1,900 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
View full repair specifications

Diagram Pipe No. 11

4368038

Installation route: 回转接头~推土铲油缸

Length
1,350 mm
Specification
DN10;4SH-06;44.5MPa
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. 21

9323070

Installation route: 模式转换阀~中转接头

Length
1,100 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
View full repair specifications

Diagram Pipe No. 22

4317872

Installation route: 模式转换阀~中转接头

Length
1,200 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
View full repair specifications

Diagram Pipe No. 17

4645516

Installation route: 左手柄~模式转换阀

Length
1,650 mm
Specification
DN6;1SN-04;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 1

4129123

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

Length
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
View full repair specifications

Diagram Pipe No. 3

4644709

Installation route: 小臂破碎器截止阀

Length
1,350 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
View full repair specifications

Diagram Pipe No. 69

4613763

Installation route: 液压油箱~先导滤芯(液压油箱)

Length
450 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
View full repair specifications

Diagram Pipe No. 16

4680164

Installation route: 行走推杆~进回油阀

Length
650 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
View full repair specifications

Diagram Pipe No. 18

4262277

Installation route: 左手柄~接线板(手柄)

Length
1,700 mm
Specification
DN6;1SN-04;7MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 19

4709962

Installation route: 右手柄~模式转换阀

Length
2,000 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
View full repair specifications

Diagram Pipe No. 29

FF518390

Installation route: 破碎器踏板~进回油阀

Length
860 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
View full repair specifications

Diagram Pipe No. 22

4269803

Installation route: 模式转换阀~中转接头

Length
1,200 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
View full repair specifications

Diagram Pipe No. 6

4722779

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

Length
1,100 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
View full repair specifications

Narrow the selection

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 ZX75US-5N?

The current published data covers 10 systems and 24 hose records. Systems with more listed records include: Control Lever (8 hoses), Pedal (3 hoses), Attachments – Breaker (3 hoses), Swivel Joint (2 hoses), Attachments (2 hoses), Attachments – Other Kits (2 hoses).

What is the hose length range for Hitachi ZX75US-5N?

Based on published records with valid lengths, the range is 450–2,000 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX75US-5N?

The most frequent raw specifications in the current published records are: DN6;1SN-4;7Mpa (8 records), DN6;1SN-04;22.5MPa (5 records), DN6;1SN-04;7Mpa (3 records), DN19;4SP-12;38Mpa (2 records), DN10;1SN-06;18MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX75US-5N?

Each record keeps the left and right fitting descriptions separate. Current examples: 4672437: left 美制内螺纹74°内锥双六角; right 90°美制内螺纹74°内锥; 4252872: left American female thread, flat-face seal; right American female thread, flat-face seal; 4317872: left 美制内螺纹74°内锥; right 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 ZX75US-5N hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 72 (4672437), Pipe No. 5 (4252872), Pipe No. 15 (4317872), Pipe No. 8 (4705861). Open a record to compare its installation position with the linked manual page.

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