- 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
Individual hose record
4437072 Hose Repair Specifications
Excavator · Hitachi · ZX250 · Grease Lines
Finished length2,920 mm
Locate this hose
Installation diagram — Pipe No. 2
Locate Pipe No. 2 in the diagram, then confirm part number 4437072 before removing the hose.

Repair specifications
- Part number
- 4437072
- Diagram pipe number
- 2
- Installation route
- Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管
- 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
Related Hoses
Diagram Pipe No. 1
4437071
Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管
- 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
