Individual hose record

4437442 Hose Repair Specifications

Excavator · Hitachi · ZX450LC · Swing Motor

Finished length550 mm

Locate this hose

Installation diagram — Pipe No. 2

Locate Pipe No. 2 in the diagram, then confirm part number 4437442 before removing the hose.

Hitachi ZX450LC installation diagram showing hydraulic hose 4437442 at Pipe No. 2
Hitachi ZX450LCPart 4437442 · Pipe No. 2Open full-size diagram

Repair specifications

Part number
4437442
Diagram pipe number
2
Installation route
回转马达(左)~回转马达(右)
Hose specification
DN6;1SN-4;7Mpa
Finished length
550 mm
Working pressure
7 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
Quantity
1

Same system

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Length
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Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 28

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Installation route: 回转马达~中转接头

Length
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Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 8

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Installation route: 回转马达(左)~回转马达(右)

Length
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Specification
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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. 28A

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Installation route: 回转马达~中转接头

Length
2,000 mm
Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 37

4313164

Installation route: Swing motor → return steel line (hydraulic tank)Original Chinese: 回转马达~回油铁管(液压油箱)

Length
1,500 mm
Specification
DN13;1SN-08;16MPa
Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 21

4313149

Installation route: 回转马达(左)~回转马达(右)

Length
450 mm
Specification
DN13;1SN-08;16MPa
Left fitting
美制内螺纹74°内锥
Right fitting
90°美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 28

9211473

Installation route: 回转马达~中转接头

Length
2,000 mm
Specification
DN10;1SN-06;18MPa
Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 28A

4463867

Installation route: 回转马达~中转接头

Length
2,000 mm
Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
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