Hydraulic line repair data

Hitachi ZX290F-3 Hydraulic Pump Hose List

Coverage details

Hoses: 5 records
Full specifications: 5 records
Systems: 1 systems
Length range: 400–1,600 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. 14

4639671

Installation route: 液压泵~中转接头

Length: 1,600 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Diagram Pipe No. 16

DH401008

Installation route: 液压泵~先导滤芯

Length: 650 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 17

4642190

Installation route: 液压泵~先导滤芯

Length: 500 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 45°美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 72

4234322-S

Installation route: 液压泵左~液压泵右

Length: 400 mm
Specification: DN6;1SN-4;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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Diagram Pipe No. 15

4639672

Installation route: 液压泵~中转接头

Length: 1,600 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Diagram Pipe No. 72

4313239

Installation route: 液压泵左~液压泵右

Length: 400 mm
Specification: DN6;1SN-4;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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Diagram Pipe No. 1

4420080

Installation route: 液压泵~堵头(减震管)

Length: 500 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. 4

4656794

Installation route: 液压泵~分配阀(进油)

Length: 1,350 mm
Specification: DN25;4SH-16;38.8MPa
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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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 ZX290F-3 Hydraulic Pump?

There are 5 published records. 5 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX290F-3 Hydraulic Pump?

Based on published records with valid lengths, the range is 400–1,600 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX290F-3 Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN10;1SN-06;18MPa (2 records), DN10;1SN-6;7Mpa (1 records), DN6;1SN-04;22.5MPa (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 ZX290F-3 Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 4639671: left 美制内螺纹74°内锥; right 45°美制内螺纹74°内锥; DH401008: left 美制内螺纹37°内锥; right American female thread, flat-face seal; 4642190: left 45°美制内螺纹74°内锥; right 90°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 ZX290F-3 Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 14 (4639671), Pipe No. 16 (DH401008), Pipe No. 17 (4642190), Pipe No. 72 (4234322-S). Open a record to compare its installation position with the linked manual page.