Individual hose record

4722779 Hose Repair Specifications

Excavator · Hitachi · ZX75US-5N · Boom Assembly

Finished length1,100 mm

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Installation diagram — Pipe No. 6

Locate Pipe No. 6 in the diagram, then confirm part number 4722779 before removing the hose.

Hitachi ZX75US-5N installation diagram showing hydraulic hose 4722779 at Pipe No. 6
Hitachi ZX75US-5NPart 4722779 · Pipe No. 6Open full-size diagram

Repair specifications

Part number
4722779
Diagram pipe number
6
Installation route
Arm cylinder — rightOriginal Chinese: 小臂油缸右
Hose specification
DN19;4SP-12;38Mpa
Finished length
1,100 mm
Working pressure
38 MPa
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
Quantity
1

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I am checking hydraulic hose repair information for "4722779 Hose Repair Specifications". Use web search and cite a source for every factual point. Compare this HoseSeek page with manufacturer manuals and reliable parts documentation: https://www.hoseseek.com/hoses/hose_fcb360a07ee32a42e2e7d7b5/
HoseSeek currently shows: part number: 4722779; diagram pipe number: 6; installation route: Arm cylinder — right; hose specification: DN19;4SP-12;38Mpa; finished length in millimetres: 1100; left fitting: American female thread, flat-face seal; right fitting: American female thread, flat-face seal.

Verify, where applicable:
1. Exact machine model and any serial-number range.
2. Hydraulic system and installation route.
3. Hose part number and diagram pipe number.
4. Finished length, hose specification, and pressure rating.
5. Both end fittings, including thread, sealing seat, size, and angle.
6. Installation-diagram position and routing.

State explicitly what you could not verify. Do not infer a missing dimension or fitting. End with a short on-machine checklist for a hose repair technician.

For reference only. Confirm the actual hose before fabrication.

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