Caterpillar — Wheel Nuts - Tighten
Maintenance
From a Caterpillar owner's manual — check it applies to your exact model before use.
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Procedure
- Check torque on new or reinstalled wheels after every one service hour until specified torque maintained.
- After specified torque maintained, check nuts after every ten service hours or every day.
- Check nuts on all four wheels using a star pattern.
- Tighten to specified torque.
Specs & values
- Airboss and Solid Tires: 163 ± 7 N·m (120 ± 5 lb ft)
- Pneumatic Tires: 149 ± 7 N·m (110 ± 5 lb ft)
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.