Individual hose record

121-8662 Hose Repair Specifications

Excavator · Caterpillar · CAT®312C · Grease Lines

Finished length2,650 mm

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Installation diagram — Pipe No. 5

Locate Pipe No. 5 in the diagram, then confirm part number 121-8662 before removing the hose.

Caterpillar CAT®312C installation diagram showing hydraulic hose 121-8662 at Pipe No. 5 — Caterpillar CAT®312CPart 121-8662 · Pipe No. 5Open full-size diagram

Repair specifications

Part number: 121-8662
Diagram pipe number: 5
Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管
Hose specification: DN6;-4;10.3Mpa
Finished length: 2,650 mm
Working pressure: 10.3 MPa
Left fitting: 美制锥形外螺纹
Right fitting: 美制锥形外螺纹30°内锥
Quantity: 1

Same system

Related Hoses

Diagram Pipe No. 4

121-8659

Installation route: 大臂油缸黄油管

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

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For reference only. Confirm the actual hose before fabrication.