Hydraulic line repair data

Hitachi ZX120 Grease Lines Hose List

Hitachi ZX120 Grease Lines currently has 11 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses
11 records
Full specifications
11 records
Systems
1 systems
Length range
340–4,780 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 1

4227083

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

Length
340 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. 16A

4370423

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length
2,130 mm
Specification
DN6;1SN-4;10.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications

Diagram Pipe No. 24

4370429

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

Length
2,850 mm
Specification
DN5;2层纤维-3;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications

Diagram Pipe No. 25

4472408

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

Length
340 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. 8A

4449711

Installation route: 铲斗油缸黄油管

Length
2,800 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. 23

4370428

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length
2,220 mm
Specification
DN5;2层纤维-3;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications

Diagram Pipe No. 25

4370431

Installation route: 大臂黄油管

Length
4,780 mm
Specification
DN5;2层纤维-3;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications

Diagram Pipe No. 5

4429016

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length
2,250 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. 6

4429017

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

Length
2,940 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. 7A

4449710

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

Length
3,400 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. 7

4429018

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length
2,150 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

Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi ZX120 Grease Lines?

There are 11 published records. 11 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX120 Grease Lines?

Based on published records with valid lengths, the range is 340–4,780 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX120 Grease Lines?

The most frequent raw specifications in the current published records are: DN5;2层纤维-3;14MPa (3 records), DN6;1SN-04;22.5MPa (3 records), DN6;1SN-4;7Mpa (3 records), DN6;1SN-4;10.5MPa (1 records), DN6;2层纤维-4;14MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX120 Grease Lines?

Each record keeps the left and right fitting descriptions separate. Current examples: 4227083: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4370423: left 美制内螺纹37°内锥; right 公制卡套式; 4370429: left 美制内螺纹37°内锥; right 公制卡套式. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX120 Grease Lines hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (4227083), Pipe No. 16A (4370423), Pipe No. 24 (4370429), Pipe No. 25 (4472408). Open a record to compare its installation position with the linked manual page.

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