Terex COMMANDER 4000 SERIES
- Published
- 2026-07-20
- Model years
- 2019–2026
Issue:
On certain digger derricks, the pole guide plate may not have been welded properly. As a result, the weld could crack, and the retaining pin could separate. If this happens, the pole guide arm could fall.
Safety Risk:
A pole guide arm that falls could create a risk of injury to people nearby.
Corrective Actions:
Terex will notify owners by mail and provide you with instructions for how to inspect and replace the pole guide plate, as necessary. Terex advises you to perform a daily inspection of the pole guide plate welds, and not to use the digger derrick if a weld is cracked.
View the official source notice →Terex COMMANDER 5000 SERIES
- Published
- 2026-07-20
- Model years
- 2019–2026
Issue:
On certain digger derricks, the pole guide plate may not have been welded properly. As a result, the weld could crack, and the retaining pin could separate. If this happens, the pole guide arm could fall.
Safety Risk:
A pole guide arm that falls could create a risk of injury to people nearby.
Corrective Actions:
Terex will notify owners by mail and provide you with instructions for how to inspect and replace the pole guide plate, as necessary. Terex advises you to perform a daily inspection of the pole guide plate welds, and not to use the digger derrick if a weld is cracked.
View the official source notice →Terex COMMANDER 6000 SERIES
- Published
- 2026-07-20
- Model years
- 2019–2026
Issue:
On certain digger derricks, the pole guide plate may not have been welded properly. As a result, the weld could crack, and the retaining pin could separate. If this happens, the pole guide arm could fall.
Safety Risk:
A pole guide arm that falls could create a risk of injury to people nearby.
Corrective Actions:
Terex will notify owners by mail and provide you with instructions for how to inspect and replace the pole guide plate, as necessary. Terex advises you to perform a daily inspection of the pole guide plate welds, and not to use the digger derrick if a weld is cracked.
View the official source notice →Terex GENERAL DIGGER DERRICK
- Published
- 2026-07-20
- Model years
- 2019–2026
Issue:
On certain digger derricks, the pole guide plate may not have been welded properly. As a result, the weld could crack, and the retaining pin could separate. If this happens, the pole guide arm could fall.
Safety Risk:
A pole guide arm that falls could create a risk of injury to people nearby.
Corrective Actions:
Terex will notify owners by mail and provide you with instructions for how to inspect and replace the pole guide plate, as necessary. Terex advises you to perform a daily inspection of the pole guide plate welds, and not to use the digger derrick if a weld is cracked.
View the official source notice →