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  1. Allis Chalmers
    I have the 226 gas engine in my D17. After cleaning the crank journal from the spun bearing it seems my crank journal in roughly .002’ out of round. The original journal was 2.995” and I’m currently at 2.365”. I’m trying to find how much out of round I can be in the journal before I have to...
  2. Repair & Technical Discussion
    I have an Allis Chalmers D17 that has a spun rod bearing. My manual says standard crank journal should be 2.995. I have 2.36. I double checked another journal and have 2.36 as well. How do I size the bearings? I’m used to small engines where you grind the crank journal and get an undersized rod...
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