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  1. Horse-trader01

    Komatsu d31 removal of pinion shaft

    The job wasn't really that hard since I already had the steering clutch out already. There is a big nut (2 and 3/4 inch socket required) that I didn't have the correct tool for so I just hit the flats on the nut with a big drift pin and it came free right away.
  2. Horse-trader01

    Komatsu d31 removal of pinion shaft

    Thanks to all that responded to my posting. I decided to just remove what I could to get to the failed part. No special tools were required. The flange and bearing carrier had threaded holes that can be used to push the parts off using two bolts. I found a partially broken bearing race and a...
  3. Horse-trader01

    Komatsu d31 removal of pinion shaft

    While working on rebuilding the steering clutches on my old Komatsu D31 I noticed that the pinion shaft on the right side has an excessive amount of play ( I can wiggle the flange that bolts to the steering clutch pack ). Looking for instructions on how to remove the pinion shaft and possible...
  4. Horse-trader01

    Safest Small Dozer

    D31 Fan Hey I don't really know what size machine you are looking for but from scanning the previous posts it seems you are in the market for a small to medium size machine. I have been running a late 80's Komatsu D31 with good results. The machine is tough, reliable and capable of doing a...
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