- Length
- 400 mm
- Specification
- DN6;1SN-4;7Mpa
- Left fitting
- 美制内螺纹37°内锥
- Right fitting
- 90°美制内螺纹37°内锥
Individual hose record
4314397 Hose Repair Specifications
Excavator · Hitachi · EX550LC-5 · Hydraulic Pump
Finished length700 mm
Repair specifications
- Part number
- 4314397
- Diagram pipe number
- 43
- Installation route
- 液压泵左~液压泵右
- Hose specification
- DN19;4层纤维-12;3.5MPa
- Finished length
- 700 mm
- Working pressure
- 3.5 MPa
- Left fitting
- American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
- Right fitting
- 45°美制内螺纹平面密封
- Quantity
- 1
Same system
Related Hoses
- Length
- 1,400 mm
- Specification
- DN32;6SP-20;34.5MPa
- Left fitting
- Heavy-series flangeOriginal Chinese: 法兰-重型
- Right fitting
- 90° heavy-series flangeOriginal Chinese: 90°法兰-重型
Workshop guide
Finding the correct hydraulic hose for Hitachi EX550LC-5 Hydraulic Pump
Start with the machine and route
For Hitachi EX550LC-5 Hydraulic Pump, identify the exact model and hydraulic system on the machine first. A part number or diagram pipe number is the fastest way to narrow a replacement hose; if neither is visible, compare the installation route and the existing hose.
Read the dimensions before cutting
Check whether a listed dimension is finished assembly length, hose-only length, or cut length. These are not interchangeable. Confirm hose specification and pressure rating, then compare both ends separately: thread, sealing seat, size, angle, and orientation.
Records to compare
- 4314397700 mm · DN19;4层纤维-12;3.5MPa · 液压泵左~液压泵右
Use the drawing as a location check
Where an installation drawing or manual figure is available, match its callout to the part number and physical route. A hydraulic circuit diagram explains connections but does not show the exact routing of a hose on the machine. Take the old hose or clear end-fitting photographs to the workshop if any dimension is missing.
For reference only. Confirm the actual hose before fabrication.