- Length
- 1,170 mm
- Specification
- DN32;4SP-20;35Mpa
- Left fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Right fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
Individual hose record
4644297 Hose Repair Specifications
Excavator · Hitachi · ZX670LC-5A · Boom Assembly
Finished length1,150 mm
Locate this hose
Installation diagram — Pipe No. 4
Locate Pipe No. 4 in the diagram, then confirm part number 4644297 before removing the hose.

Repair specifications
- Part number
- 4644297
- Diagram pipe number
- 4
- Installation route
- Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3
- Hose specification
- DN25;4SP-16;32.5MPa
- Finished length
- 1,150 mm
- Working pressure
- 32.5 MPa
- Left fitting
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Right fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Quantity
- 2
Same system
Related Hoses
- Length
- 1,780 mm
- Specification
- DN25;4SP-16;32.5MPa
- Left fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Right fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
