Individual hose record

121-8659 Hose Repair Specifications

Excavator · Caterpillar · CAT®312D L · Grease Lines

Finished length2,000 mm

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Installation diagram — Pipe No. 3

Locate Pipe No. 3 in the diagram, then confirm part number 121-8659 before removing the hose.

Caterpillar CAT®312D L installation diagram showing hydraulic hose 121-8659 at Pipe No. 3
Caterpillar CAT®312D LPart 121-8659 · Pipe No. 3Open full-size diagram

Repair specifications

Part number
121-8659
Diagram pipe number
3
Installation route
Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管
Hose specification
DN6;-4;10.3Mpa
Finished length
2,000 mm
Working pressure
10.3 MPa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
Quantity
1

Same system

Related Hoses

Diagram Pipe No. 2

108-9097

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
1,520 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 4

121-8662

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
2,650 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹
Right fitting
美制锥形外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 6

290-9045

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
2,000 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 7

203-7401

Installation route: Left boom-cylinder grease lineOriginal Chinese: 左大臂油缸黄油管

Length
2,100 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 5

290-9044

Installation route: 黄油分配阀~过渡接头(小臂上)

Length
1,550 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 3

101-2170

Installation route: 小臂销黄油管左

Length
730 mm
Specification
DN6;-4;19.2Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

Diagram Pipe No. 4

251-2627

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
1,900 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹30°内锥
View full repair specifications

Diagram Pipe No. 4

087-5899

Installation route: 小臂销黄油管

Length
625 mm
Specification
DN6;-4;19.2Mpa
Left fitting
美制锥形外螺纹30°内锥
Right fitting
美制锥形外螺纹
View full repair specifications

For reference only. Confirm the actual hose before fabrication.

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