Individual hose record

173-3787 Hose Repair Specifications

Excavator · Caterpillar · CAT®317B L · Attachments – Quick Coupler

Finished length1,270 mm

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Installation diagram — Pipe No. 1

Locate Pipe No. 1 in the diagram, then confirm part number 173-3787 before removing the hose.

Caterpillar CAT®317B L installation diagram showing hydraulic hose 173-3787 at Pipe No. 1 — **Caterpillar CAT®317B L**Part 173-3787 · Pipe No. 1Open full-size diagram

Repair specifications

Part number: 173-3787
Diagram pipe number: 1
Installation route: 小臂(快换)~小臂接头(快换)
Hose specification: DN6;2SN-4;40Mpa
Finished length: 1,270 mm
Working pressure: 40 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

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Diagram Pipe No. 2

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Installation route: 快速联轴阀~分配阀前

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Specification: DN10;1SN-6;15.7Mpa
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

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Diagram Pipe No. 6

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Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 1

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Installation route: 快速联轴阀~分配阀前

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Specification: DN10;4SP-6;28Mpa
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

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Diagram Pipe No. 17

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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

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Diagram Pipe No. 4

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Installation route: 大臂(快换)~辅助阀(大臂上)

Length: 1,045 mm
Specification: DN25;4SP-16;28Mpa
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

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Diagram Pipe No. 15

9U-3430

Installation route: 快速联轴阀~三通接头(回转马达旁)

Length: 1,000 mm
Specification: DN10;4SP-6;28Mpa
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

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Diagram Pipe No. 30

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Installation route: 大臂(快换)~

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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

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Diagram Pipe No. 1

153-9856

Installation route: 小臂接头(快换)~小臂阀块(快换)

Length: 1,750 mm
Specification: DN6;2SN-4;40Mpa
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

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For reference only. Confirm the actual hose before fabrication.