Hydraulic line repair data

Hitachi EX80-5 Hose Repair Data

Hitachi EX80-5 currently has 32 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses
32 records
Full specifications
32 records
Systems
8 systems
Length range
430–2,000 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 8

4406262

Installation route: 进回油阀~蓄能器

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. 27

4388019

Installation route: 中转接头~分配阀下

Length
1,100 mm
Specification
DN6;2层纤维-4;14MPa
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. 26

4414261

Installation route: 中转接头~分配阀下

Length
1,000 mm
Specification
DN6;2层纤维-4;14MPa
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

4401517

Installation route: 偏置大臂踏板~分配阀下左

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. 19

4378631

Installation route: 左手柄~中转接头

Length
1,300 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. 3

4373781

Installation route: 回转马达~中转接头

Length
850 mm
Specification
DN6;2层纤维-4;14MPa
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. 15

4393600

Installation route: 中转接头~中转接头后

Length
550 mm
Specification
DN6;2层纤维-4;14MPa
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

4298274

Installation route: 液压油箱~进回油阀

Length
1,950 mm
Specification
DN10;1层纤维-6;14MPa
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. 5

4374026

Installation route: 回油铁管(液压油箱)~先导滤芯

Length
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
View full repair specifications

Diagram Pipe No. 20

4392187

Installation route: 左手柄~中转接头

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. 22

4414260

Installation route: 中转接头~分配阀上

Length
1,500 mm
Specification
DN6;2层纤维-4;14MPa
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. 5

4392191

Installation route: 右手柄~进回油阀

Length
1,500 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. 17

4378628

Installation route: 右手柄~中转接头

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. 9

4394214

Installation route: 偏置大臂踏板~进回油阀

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. 5

4378630

Installation route: 右手柄~进回油阀

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. 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. 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. 17

4393601

Installation route: 进回油阀~中转接头

Length
430 mm
Specification
DN6;2层纤维-4;14MPa
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. 8

4394213

Installation route: 偏置大臂踏板~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. 20

4378632

Installation route: 左手柄~中转接头

Length
1,300 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. 0

4374024

Installation route: 液压泵~先导滤芯

Length
630 mm
Specification
DN12;1SN-8;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

4378627

Installation route: 右手柄~中转接头

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. 22

4351202

Installation route: 中转接头~分配阀上

Length
1,450 mm
Specification
DN6;2层纤维-4;14MPa
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. 28

4393008

Installation route: 中转接头~分配阀下

Length
1,050 mm
Specification
DN6;2层纤维-4;14MPa
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. 25

4196297

Installation route: 液压泵~分配阀(进油)

Length
1,300 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. 16

4260467

Installation route: 中转接头~中转接头前

Length
600 mm
Specification
DN6;2层纤维-4;14MPa
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. 20

4294616

Installation route: 小臂油缸

Length
700 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. 21

4294616

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

Length
700 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. 7

4241338

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length
750 mm
Specification
DN10;1层纤维-6;14MPa
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. 24

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. 14

4392192

Installation route: 右手柄~中转接头

Length
1,500 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. 7

4406263

Installation route: 进回油阀~蓄能器

Length
1,200 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
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 EX80-5?

The current published data covers 8 systems and 32 hose records. Systems with more listed records include: Control Lever (15 hoses), Attachments (4 hoses), Boom Assembly (3 hoses), Supply and Return Valve (3 hoses), Swing Motor (2 hoses), Hydraulic Tank (2 hoses).

What is the hose length range for Hitachi EX80-5?

Based on published records with valid lengths, the range is 430–2,000 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX80-5?

The most frequent raw specifications in the current published records are: DN6;1SN-4;7Mpa (12 records), DN6;2层纤维-4;14MPa (9 records), DN13;4SP-08;41.5MPa (3 records), DN10;1SN-6;7Mpa (2 records), DN10;1层纤维-6;14MPa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX80-5?

Each record keeps the left and right fitting descriptions separate. Current examples: 4406262: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4388019: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4414261: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX80-5 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 8 (4406262), Pipe No. 27 (4388019), Pipe No. 26 (4414261), Pipe No. 15 (4401517). Open a record to compare its installation position with the linked manual page.

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