Length: 600 mm
Specification: DN19;4SP-12;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 13

4442642

Installation route: 液压泵~吸油铁管

Length: 700 mm
Specification: DN19;2SN-12;21.5MPa
Left fitting: 45°美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 23

4427359

Installation route: 液压泵~先导滤芯

Length: 350 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 90°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. 21

4444959

Installation route: 液压泵~分配阀(进油)

Length: 1,500 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 20

4334454

Installation route: 液压泵~分配阀(进油)

Length: 1,150 mm
Specification: DN25;4SH-16;34.5Mpa
Left fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 26

4449771

Installation route: 液压泵~中转接头

Length: 2,000 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 45°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. 27

4449772

Installation route: 液压泵~中转接头

Length: 2,000 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 45°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. 43

4450081

Installation route: 液压泵~先导滤芯

Length: 360 mm
Specification: DN12;1SN-8;7MPa
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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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 ZX250F Hydraulic Pump?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX250F Hydraulic Pump?

Based on published records with valid lengths, the range is 600–640 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX250F Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (1 records), DN10;1SN-6;18MPa (1 records), DN10;1SN-6;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 ZX250F Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 4653610: left 美制内螺纹74°内锥双六角; right 美制内螺纹74°内锥双六角; 4437834: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4442133: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX250F Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 9 (4653610), Pipe No. 9 (4437834), Pipe No. 9 (4442133). Open a record to compare its installation position with the linked manual page.