Hello, We just purchased a 1979 Cat D3 with supposedly rebuilt 3204. It runs good so far for being the age it is. Well, we checked the track system today and found a broken tooth on the sprocket. The pins feel a little worn so I'm figuring a new sprocket set and rotating the pins. I've also notice on one side that the track tensioner cylinder threaded rod side is rubbing the metal while the other side looks to have a bushing to prevent this. Where is a good source to find parts? I've attached pictures of the items concerning the track tensioner cylinder. Thanks!
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