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Komatsu PC 128 UU final drive problems

Bertrrr

Bertrrr

Well-Known Member
Joined
Sep 5, 2016
Messages
72
Location
South Louisiana
Occupation
mechanic
It's looking like the final drive assembly on one of the tracks is not pulling , forward OR reverse , has a rattle when you try and make it rotate ,
If anyone has any experience with replacing or rebuilding this drive it would be a big help
thanks in advance ,
 
John C.

John C.

Senior Member
Joined
Jun 11, 2007
Messages
12,870
Location
Northwest
Occupation
Machinery & Equipment Appraiser
Drain the oil and see what is inside. If there are lots of sparkles, its removal and disassembly time.

I've not had one of those apart but would assume it like the old Dash 6 line of excavators. The track motor would then be an integral part of the final.
 
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