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  1. R

    D31A-17 komatsu broken clutch yoke??

    project dozer. what would cause both steering yokes to break? I was changing clutch discs, pulled cover off and both sides had broken yokes?? I assume clutch pack locked up and would not compress.. but both sides?? anyway does anyone have source for part # 1132222141 or what caused the failure?
  2. R

    Need help determining the Model year of a Komatsu Dozer

    Komatsu D31A-17 Could you tell me year S/N # 33029
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