Hydraulic line repair data

Hitachi EX400LC Boom Assembly Hose List

Coverage details
Hoses
1 records
Full specifications
1 records
Systems
1 systems
Length range
2,550–2,550 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 62

4259804

Installation route: 大臂左1/3/4/5/6

Length
2,550 mm
Specification
DN25;4SP-16;32Mpa
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. 63

4249316

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length
1,500 mm
Specification
DN25;4SP-16;32Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45°美制内螺纹平面密封
View full repair specifications

Diagram Pipe No. 24

4247380

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length
2,400 mm
Specification
DN32;6SP-20;27.5MPa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
Light-series flangeOriginal Chinese: 法兰-轻型
View full repair specifications

Diagram Pipe No. 24

4247381

Installation route: Bucket cylinderOriginal Chinese: 铲斗油缸

Length
1,600 mm
Specification
DN32;6SP-20;27.5MPa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
Light-series flangeOriginal Chinese: 法兰-轻型
View full repair specifications

Diagram Pipe No. 64

4259805

Installation route: 小臂(背部)~过渡阀块(装载斗)

Length
1,500 mm
Specification
DN25;4SP-16;32Mpa
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. 31

4249310

Installation route: 装载斗油缸

Length
1,100 mm
Specification
DN12;4SP-8;27.5MPa
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. 15

4247381

Installation route: 铲斗油缸(后段)

Length
1,600 mm
Specification
DN32;6SP-20;27.5MPa
Left fitting
Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting
Light-series flangeOriginal Chinese: 法兰-轻型
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 EX400LC Boom Assembly?

There are 1 published records. 1 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX400LC Boom Assembly?

Based on published records with valid lengths, the range is 2,550 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX400LC Boom Assembly?

The most frequent raw specifications in the current published records are: DN25;4SP-16;32Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX400LC Boom Assembly?

Each record keeps the left and right fitting descriptions separate. Current examples: 4259804: left American female thread, flat-face seal; right American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX400LC Boom Assembly hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 62 (4259804). Open a record to compare its installation position with the linked manual page.

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