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169-7143: LINK AS.-TRA Caterpillar

manufacturer:
Caterpillar
Description:
Sealed Link Assembly (One Piece Belleville Washer)
Category:
Excavator Undercarriage
Specifications
Bolt Size (in):
0.8661
Bolt Size (mm):
M22
Track Pitch (mm):
215.9
Track Pitch (in):
8.5
Number Of Track Sections:
47
Alternative Number:
1697143
Introduction

Description:

  • Link assemblies, driven by the sprocket and final drive, provide support for the machine weight, a rail for the machine to run on, and a place for the shoes to attach.

 

 

Attributes:

 

  • Sealed track has contact between the internal pin and bushing causing wear to begin immediately because of the friction between the two parts. This results in a significant increase of internal wear life of the link assembly. Grease Lubricated Track link assemblies are direct replacements for sealed link assemblies on Cat Hydraulic Excavator models.
  • Belleville washers are springs shaped like a washer. They are used in Sealed Track to help keep the system sealed.

 

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