Individual hose record

4388137 Hose Repair Specifications

Excavator · Hitachi · ZX250F · Boom Assembly

Finished length810 mm

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Installation diagram — Pipe No. 2

Locate Pipe No. 2 in the diagram, then confirm part number 4388137 before removing the hose.

Hitachi ZX250F installation diagram showing hydraulic hose 4388137 at Pipe No. 2 — **Hitachi ZX250F**Part 4388137 · Pipe No. 2Open full-size diagram

Repair specifications

Part number: 4388137
Diagram pipe number: 2
Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3
Hose specification: DN19;4SH-12;42MPa
Finished length: 810 mm
Working pressure: 42 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: 2

Same system

Related Hoses

Diagram Pipe No. 1

4388131

Installation route: 大臂油缸左1/左4

Length: 810 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

View full repair specifications

Diagram Pipe No. 13

4252854

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 900 mm
Specification: DN19;4SP-12;34.5Mpa
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

View full repair specifications

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I am checking hydraulic hose repair information for "4388137 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_c16c668b9a6c60a1f5a0041a/
HoseSeek currently shows: part number: 4388137; diagram pipe number: 2; installation route: Boom cylinder — left 2 / left 3; hose specification: DN19;4SH-12;42MPa; finished length in millimetres: 810; left fitting: American female thread, flat-face seal; right fitting: American female thread, flat-face seal.

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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.

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