- Length
- 900 mm
- Specification
- DN25;4SH-16;38.8MPa
- Left fitting
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Right fitting
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Individual hose record
4311057 Hose Repair Specifications
Excavator · Hitachi · EX400LC-3C · Boom Assembly
Finished length1,000 mm
Locate this hose
Installation diagram — Pipe No. 30
Locate Pipe No. 30 in the diagram, then confirm part number 4311057 before removing the hose.

Repair specifications
- Part number
- 4311057
- Diagram pipe number
- 30
- Installation route
- 小臂油缸
- Hose specification
- DN32;6SP-20;31MPa
- Finished length
- 1,000 mm
- Working pressure
- 31 MPa
- Left fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Right fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Quantity
- 2
Same system
