Hydraulic line repair data

Hitachi ZX85USB-3 Hose Repair Data

Hitachi ZX85USB-3 currently has 35 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses
35 records
Full specifications
35 records
Systems
10 systems
Length range
300–2,700 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 3

4674828

Installation route: 行走推杆~进回油阀

Length
450 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

4677925

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

Length
1,350 mm
Specification
DN12;4SP-8;28Mpa
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
View full repair specifications

Diagram Pipe No. 35

4673427

Installation route: 分配阀右~铁管(破碎器)

Length
800 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
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 27

4470392

Installation route: 接线板(中转接头)~过渡阀块(中转接头)

Length
550 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
View full repair specifications

Diagram Pipe No. 57

4451995

Installation route: 控制阀(破碎器)~过渡阀块(破碎器踏板)

Length
350 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. 11

4664651

Installation route: 分配阀后~过渡阀块(流速切换)

Length
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. 51

4269806

Installation route: 分节大臂销黄油管

Length
1,400 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. 42

4705861

Installation route: 分节大臂油缸锁止阀

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. 15

4618606

Installation route: 破碎器踏板~进回油阀

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
View full repair specifications

Diagram Pipe No. 14

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. 18

4452734

Installation route: 模式转换阀~中转接头

Length
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. 12

4388835

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

Length
750 mm
Specification
DN13;4SP-08;41.5MPa
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
View full repair specifications

Diagram Pipe No. 32

4442331

Installation route: 过渡阀块(破碎器踏板)~过渡阀块(电磁阀(破碎器))

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
View full repair specifications

Diagram Pipe No. 2

4466630

Installation route: 大臂(破碎器)~小臂(破碎器)

Length
1,100 mm
Specification
DN10;2SN-6;28Mpa
Left fitting
英制内螺纹30°外锥
Right fitting
英制内螺纹30°外锥
View full repair specifications

Diagram Pipe No. 9

4442429

Installation route: 蓄能器~先导滤芯

Length
450 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. 22

4262819

Installation route: 大臂摆动油缸

Length
790 mm
Specification
DN6;2层纤维-4;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 61

4470392

Installation route: 分配阀后~液压油箱

Length
550 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
View full repair specifications

Diagram Pipe No. 29

4285799

Installation route: 小臂油缸

Length
750 mm
Specification
DN12;4SP-08;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
View full repair specifications

Diagram Pipe No. 11

4690874

Installation route: 大臂(前段)~大臂(后段)

Length
840 mm
Specification
DN19;4SP-12;28Mpa
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. 41

4705860

Installation route: 大臂(锁止阀)~接线板(大臂)

Length
1,250 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

4679222

Installation route: 机油管

Length
1,610 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
View full repair specifications

Diagram Pipe No. 22

4324461

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

Length
650 mm
Specification
DN12;4SP-8;27.5MPa
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
View full repair specifications

Diagram Pipe No. 29

4285799

Installation route: 分节大臂油缸

Length
750 mm
Specification
DN12;4SP-08;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
View full repair specifications

Diagram Pipe No. 2

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. 30

4689856

Installation route: 分节大臂油缸

Length
780 mm
Specification
DN12;4SP-8;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
View full repair specifications

Diagram Pipe No. 9

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. 8

4452734

Installation route: 中转接头~接线板(中转接头)

Length
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. 3

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. 9

4649710

Installation route: 流速切换阀~过渡阀块(流速切换)

Length
380 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. 4

4672335

Installation route: 进回油阀~先导滤芯

Length
2,150 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
View full repair specifications

Diagram Pipe No. 7

4627868

Installation route: 破碎器踏板~进回油阀

Length
300 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
View full repair specifications

Diagram Pipe No. 26

4618606

Installation route: 接线板(中转接头)~过渡阀块(中转接头)

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
View full repair specifications

Diagram Pipe No. 11

4661784

Installation route: 小臂油缸锁止阀~接头(大臂)

Length
2,700 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. 16

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. 6

4463469

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

Length
1,380 mm
Specification
DN13;4SP-08;41.5MPa
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
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 ZX85USB-3?

The current published data covers 10 systems and 35 hose records. Systems with more listed records include: Attachments – Breaker (10 hoses), Boom Assembly (6 hoses), Swivel Joint (4 hoses), Control Lever (4 hoses), Attachments (3 hoses), Attachments – Lock Valve (3 hoses).

What is the hose length range for Hitachi ZX85USB-3?

Based on published records with valid lengths, the range is 300–2,700 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX85USB-3?

The most frequent raw specifications in the current published records are: DN6;1SN-04;22.5MPa (9 records), DN6;1SN-4;7Mpa (6 records), DN10;1SN-06;18MPa (3 records), DN6;1SN-04;7Mpa (3 records), DN12;4SP-08;34.5Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX85USB-3?

Each record keeps the left and right fitting descriptions separate. Current examples: 4674828: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4677925: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4673427: left American female thread, flat-face seal; right 45°美制内螺纹平面密封. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX85USB-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 3 (4674828), Pipe No. 22 (4677925), Pipe No. 35 (4673427), Pipe No. 27 (4470392). Open a record to compare its installation position with the linked manual page.

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