Wondering what the average undercarriage life in hours would be on a small-medium size dozer. Say a Cat D4-5, Case 650-850, or Deere 650 size. Would the entire undercarriage be replaced at once or say new rails at 2,500 hrs and then replace pads at 4,000 hrs? What about sprockets and rollers? Seems allot of dozers have new sprockets and rails but not pads or rollers. Pads seem to be pretty wore on most used dozers I've looked at.
Undercarriage Life
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