2021 Altec Aerial Device Recall: Cylinder rod threads may not have been machined properly, which could…
NHTSA campaign 21V709000 · Equipment · filed Sep 13, 2021 · verified Jul 30, 2026
The defect
Altec Industries, Inc. (Altec) is recalling certain 2021 AM50, 55, and 60E aerial devices. The cylinder rod threads may not have been machined properly, which could result in uncontrollable boom movement.
The risk
Uncontrollable boom movement increases the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Altec will replace the cylinder, free of charge. Owner notification letters were mailed on September 30, 2021. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is MAB 834.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Altec | Aerial Device | 2021 |
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Other campaigns involving Altec vehicles
Source: NHTSA recall database, campaign 21V709000 (manufacturer number MAB 834). Data last verified Jul 30, 2026.