Posted by 2510Paul on August 20, 2013 at 19:16:52 from (173.202.142.245):
I am working on the wide front off a JD 4020. The wide front does not appear to be original on that tractor. Anyway, the hubs and knuckles (spindle and shaft in knee) appear to have been burned. On one the shaft in the knee is severely pitted and about 1" from the bottom there is a obvious crack in the shaft. This AR55180 Knuckle I will replace for sure. I am also trying to assess the hubs, there is metal eroded away on each side of the bolts that go through the rim where the rim touches the hub surface. I am wondering if this is from heat. Is there anyway to assess the ability of the metal to do its job? Thanks. Paul
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