2020–2021 Altec D2000, 2020–2021 Altec D3000, 2020–2021 Altec D4000 Recall: A retaining ring in the gearbox assembly was improperly seated during…
NHTSA campaign 21V512000 · Equipment · filed Jul 7, 2021 · verified Jul 30, 2026
The defect
Altec Industries, Inc. (Altec) is recalling certain 2020-2021 D2000, 3000, and 4000 Derrick diggers. A retaining ring in the gearbox assembly was improperly seated during production, allowing the boom to unintentionally rotate freely.
The risk
Unintended 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 repair the gearbox assembly, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Altec's customer service at 1-877-462-5832. Altec's number for this recall is CSN 827.
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
Related recalls
More Altec D2000 recalls
Other campaigns involving Altec vehicles
Source: NHTSA recall database, campaign 21V512000 (manufacturer number MAB 827). Data last verified Jul 30, 2026.