Individual hose record

129-6078 Hose Repair Specifications

Excavator · Caterpillar · CAT®311B · Boom Assembly

Finished length910 mm

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Installation diagram — Pipe No. 20

Locate Pipe No. 20 in the diagram, then confirm part number 129-6078 before removing the hose.

Caterpillar CAT®311B installation diagram showing hydraulic hose 129-6078 at Pipe No. 20
Caterpillar CAT®311BPart 129-6078 · Pipe No. 20Open full-size diagram

Repair specifications

Part number
129-6078
Diagram pipe number
20
Installation route
小臂左1
Hose specification
DN19;4SP-12;35Mpa
Finished length
910 mm
Working pressure
35 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

Same system

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Specification
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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: 小臂左3

Length
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Specification
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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. 2

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Installation route: 铲斗油缸左(长臂)

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Specification
DN16;6SH-10;42Mpa
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

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Installation route: 大臂油缸

Length
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Specification
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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. 8

146-7060

Installation route: 小臂左4

Length
940 mm
Specification
DN19;4SP-12;35Mpa
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. 5

123-2744

Installation route: 小臂油缸

Length
680 mm
Specification
DN19;4SP-12;35Mpa
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. 21

139-1796

Installation route: 小臂左2

Length
910 mm
Specification
DN19;4SP-12;35Mpa
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

For reference only. Confirm the actual hose before fabrication.

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