Structural Crack Inspection

For track-type dozers, undercarriage life has traditionally been forecast using machine hours.  It’s simple. It’s widely accepted. But it’s often wrong.  Hours measure time — not work.  Undercarriage wear is driven by movement, not idling.  Why Hours Fall Short  Two machines with the same hours but different travel distances will not experience the same undercarriage wear behaviour. Because hours don’t account for: