Hydraulic line repair data

Hitachi ZX220W-3 Hydraulic Pump Hose List

Hitachi ZX220W-3 Hydraulic Pump currently has 9 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 9 records
Full specifications: 9 records
Systems: 1 systems
Length range: 350–3,300 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 4

4472642

Installation route: 液压泵~分配阀(进油)

Length: 1,250 mm
Specification: DN22;4SP-14;35Mpa
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. 15

4662016

Installation route: 液压泵~中转接头

Length: 2,750 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 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. 3

4650222

Installation route: 液压泵~分配阀(进油)

Length: 980 mm
Specification: DN22;4SP-14;35Mpa
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. 12

4669104

Installation route: 先导泵~先导滤芯

Length: 1,100 mm
Specification: DN12;2SN-8;21Mpa
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. 12

4668696

Installation route: 液压泵~吸油铁管

Length: 700 mm
Specification: DN25;1SN-16;7Mpa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 6

4470393

Installation route: 液压泵~先导滤芯

Length: 350 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 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. 10

4667723

Installation route: 液压泵~堵头(减震管)

Length: 770 mm
Specification: DN12;2SN-8;21Mpa
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. 4

4651714

Installation route: 液压泵~电磁阀(隔板)

Length: 3,300 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 45

4664952

Installation route: 液压泵~先导滤芯

Length: 2,650 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 ZX220W-3 Hydraulic Pump?

There are 9 published records. 9 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX220W-3 Hydraulic Pump?

Based on published records with valid lengths, the range is 350–3,300 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX220W-3 Hydraulic Pump?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (2 records), DN12;2SN-8;21Mpa (2 records), DN22;4SP-14;35Mpa (2 records), DN12;1SN-8;7Mpa (1 records), DN25;1SN-16;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 ZX220W-3 Hydraulic Pump?

Each record keeps the left and right fitting descriptions separate. Current examples: 4472642: left 90° heavy-series flange; right 90° heavy-series flange; 4662016: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4650222: left 90° heavy-series flange; right 90° heavy-series flange. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX220W-3 Hydraulic Pump hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 4 (4472642), Pipe No. 15 (4662016), Pipe No. 3 (4650222), Pipe No. 12 (4669104). Open a record to compare its installation position with the linked manual page.