Individual hose record

4437072 Hose Repair Specifications

Excavator · Hitachi · ZX250F · Grease Lines

Finished length2,920 mm

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Installation diagram — Pipe No. 7

Locate Pipe No. 7 in the diagram, then confirm part number 4437072 before removing the hose.

Hitachi ZX250F installation diagram showing hydraulic hose 4437072 at Pipe No. 7 — Hitachi ZX250FPart 4437072 · Pipe No. 7Open full-size diagram

Repair specifications

Part number: 4437072
Diagram pipe number: 7
Installation route: 大臂油缸黄油管
Hose specification: DN6;2层纤维-4;14MPa
Finished length: 2,920 mm
Working pressure: 14 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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Diagram Pipe No. 5

4437071

Installation route: 大臂油缸黄油管

Length: 3,000 mm
Specification: DN6;1SN-04;22.5MPa
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. 6

4437070

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length: 3,600 mm
Specification: DN6;1SN-04;22.5MPa
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. 2

4429280

Installation route: 右小臂油缸黄油管

Length: 2,700 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 美制内螺纹74°内锥

View full repair specifications