Hydraulic line repair data

Hitachi EX120-5 Grease Lines Hose List

Hitachi EX120-5 Grease Lines currently has 4 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 4 records
Full specifications: 4 records
Systems: 1 systems
Length range: 340–2,920 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 8

4276438

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

Length: 2,200 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

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Diagram Pipe No. 1

4227083

Installation route: 小臂销黄油管

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

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Diagram Pipe No. 6

4260316

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

Length: 2,920 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

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Diagram Pipe No. 7

4260312

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

Length: 2,150 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

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 EX120-5 Grease Lines?

There are 4 published records. 4 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX120-5 Grease Lines?

Based on published records with valid lengths, the range is 340–2,920 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX120-5 Grease Lines?

The most frequent raw specifications in the current published records are: DN6;2层纤维-4;14MPa (4 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX120-5 Grease Lines?

Each record keeps the left and right fitting descriptions separate. Current examples: 4276438: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4227083: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4260316: 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 EX120-5 Grease Lines hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 8 (4276438), Pipe No. 1 (4227083), Pipe No. 6 (4260316), Pipe No. 7 (4260312). Open a record to compare its installation position with the linked manual page.