Hydraulic line repair data

Hitachi ZX50U-3 Hose Repair Data

Hitachi ZX50U-3 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
3 systems
Length range
980–2,010 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 92

4709637

Installation route: 分配阀左后~电磁阀

Length
980 mm
Specification
DN6;1SN-4;7Mpa
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. 54

4424949

Installation route: 液压油箱~电磁阀

Length
1,230 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. 34

4658088

Installation route: 大臂油缸

Length
1,240 mm
Specification
DN12;4SP-8;27.5MPa
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. 93

4709638

Installation route: 分配阀左后~回转马达

Length
2,010 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
45°美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

Narrow the selection

Control Valve2 hoses

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 ZX50U-3?

The current published data covers 3 systems and 4 hose records. Systems with more listed records include: Control Valve (2 hoses).

What is the hose length range for Hitachi ZX50U-3?

Based on published records with valid lengths, the range is 980–2,010 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX50U-3?

The most frequent raw specifications in the current published records are: DN6;1SN-4;7Mpa (3 records), DN12;4SP-8;27.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX50U-3?

Each record keeps the left and right fitting descriptions separate. Current examples: 4709637: left 美制内螺纹37°内锥; right 45°美制内螺纹37°内锥; 4424949: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4658088: 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 ZX50U-3 hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 92 (4709637), Pipe No. 54 (4424949), Pipe No. 34 (4658088), Pipe No. 93 (4709638). Open a record to compare its installation position with the linked manual page.

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