2018–2020 Altec Aerial Device, 2018–2020 Altec Digger Derrick Recall: A hydraulic check valve can have a snap ring failure resulting in the snap…
NHTSA campaign 20V765000 · Equipment · filed Dec 10, 2020 · verified Jul 30, 2026
The defect
Altec Industries, Inc. (Altec) is recalling certain 2018-2020 AA, AM, AN, A-Class, TA, DM, DL, DXXXX, DC, and DT digger derricks and aerial device vehicles equipped with a DC pump. A hydraulic check valve can have a snap ring failure resulting in the snap ring becoming lodged in a counterbalance or control valve allowing continued movement.
The risk
Unintended boom movement may result in potential injury and or property damage.
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 notify owners, and dealers will replace the valve's snap ring, free of charge. The recall began February 9, 2021. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is CSN 787.
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.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Altec | Aerial Device | 2018, 2019, 2020 |
| Altec | Digger Derrick | 2018, 2019, 2020 |
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Other campaigns involving Altec vehicles
Source: NHTSA recall database, campaign 20V765000 (manufacturer number CSN 787). Data last verified Jul 30, 2026.