Individual hose record

4639749 Hose Repair Specifications

Excavator · Hitachi · ZX450LC-3 · Swivel Joint

Finished length3,150 mm

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Installation diagram — Pipe No. 24

Locate Pipe No. 24 in the diagram, then confirm part number 4639749 before removing the hose.

Hitachi ZX450LC-3 installation diagram showing hydraulic hose 4639749 at Pipe No. 24 — **Hitachi ZX450LC-3**Part 4639749 · Pipe No. 24Open full-size diagram

Repair specifications

Part number: 4639749
Diagram pipe number: 24
Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达
Hose specification: DN10;1SN-6;7Mpa
Finished length: 3,150 mm
Working pressure: 7 MPa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 美制内螺纹37°内锥
Quantity: 2

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Diagram Pipe No. 9

4639753

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,800 mm
Specification: DN12;1SN-8;7Mpa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 24

4640210

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,950 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 0

4651807

Installation route: 回转接头~分配阀右下

Length: 1,650 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: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型

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Diagram Pipe No. 10

4640204

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,800 mm
Specification: DN12;1SN-8;7Mpa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 90°美制内螺纹37°内锥

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Diagram Pipe No. 3

4651809

Installation route: 回转接头~分配阀左下

Length: 1,400 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: 45° heavy-series flangeOriginal Chinese: 45°法兰-重型

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Diagram Pipe No. 24

4295191

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 3,120 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 90°美制内螺纹74°内锥

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Diagram Pipe No. 0

4640188

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,750 mm
Specification: DN25;4SP-16;28Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 0

4640207

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length: 2,550 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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