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It sounds like yours need to be turned now, but I'm no undercarriage expert here. As I understand it, once those pins/bushings are turned, that unworn side will place the pin/bushing back into the root of the sprocket, not the side of the tooth. If the link (rail) height is still within wear limits, and there are no other worn out components, after that pin & bushing turn, and adjusting the track tension, I would think doing this would definitely help gain quite a bit of time out of the undercarriage and prevent accelerated wear of other components. I do remember the interval for a pin bushing change at like 1000-1200 hours on the smaller grading tractors, when I was a full time operator, although that will vary, they did it for the same reason, new wear surface, helps stop accelerated wear of other components, like the sprocket etc. It's probably best to have a track shop with a track press and associated tooling to do this work, if you recall what you did to get the master pin out, multiply that times the number of pins on your tracks.
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