Summary

Scallop resistant link assemblies are now available through the parts system. 

 Scalloping is the wear on the center area of the link rail. This wear is produced when the links engage the idler. Scalloping is also produced at the end of the link rail due to engagement with the rollers. As hours increase on the link, the rate of scalloping begins to accelerate.

Benefits

 Expected life gains can reach up to 20% compared to conventional Cat^? link assemblies. The hardened depth has increased by 45%. This will result in reduced scallop wear.  

Recommendation Use

 The link assembly is recommended when additional resistance is needed to help reduce the rate of scalloping.

Negative Impact due to Scalloping

Scalloping can negatively impact fine grade techniques, operator comfort and accelerate wear on other undercarriage components. Scalloping can also contribute to bogie pin failures and machine vibration.

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