Hydraulic line repair data

Hitachi ZX50U Hose Repair Data

Hitachi ZX50U currently has 7 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses
7 records
Full specifications
7 records
Systems
3 systems
Length range
760–1,340 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 19

4426417

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

Length
1,260 mm
Specification
DN12;2SN-8;20.5MPa
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. 16

4426461

Installation route: 大臂(破碎器)~过渡阀块(大臂下)

Length
800 mm
Specification
DN12;2SN-8;27.5MPa
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. 23

4426425

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

Length
1,340 mm
Specification
DN10;1层纤维-6;14MPa
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. 2

4426422

Installation route: 大臂油缸

Length
1,000 mm
Specification
DN12;2SN-8;27.5MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 24

4426426

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

Length
1,310 mm
Specification
DN6;1SN-4;7Mpa
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. 15

4426459

Installation route: 大臂(破碎器)~过渡阀块(大臂下)

Length
760 mm
Specification
DN12;2SN-8;27.5MPa
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. 3

4426460

Installation route: 大臂油缸

Length
1,170 mm
Specification
DN12;2SN-8;27.5MPa
Left fitting
英制内螺纹30°外锥
Right fitting
英制外螺纹30°内锥
View full repair specifications

Narrow the selection

Swivel Joint3 hosesBoom Assembly2 hosesAttachments – Breaker2 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?

The current published data covers 3 systems and 7 hose records. Systems with more listed records include: Swivel Joint (3 hoses), Boom Assembly (2 hoses), Attachments – Breaker (2 hoses).

What is the hose length range for Hitachi ZX50U?

Based on published records with valid lengths, the range is 760–1,340 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX50U?

The most frequent raw specifications in the current published records are: DN12;2SN-8;27.5MPa (4 records), DN10;1层纤维-6;14MPa (1 records), DN12;2SN-8;20.5MPa (1 records), DN6;1SN-4;7Mpa (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?

Each record keeps the left and right fitting descriptions separate. Current examples: 4426417: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4426461: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4426425: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX50U hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 19 (4426417), Pipe No. 16 (4426461), Pipe No. 23 (4426425), Pipe No. 2 (4426422). Open a record to compare its installation position with the linked manual page.

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