2019–2021 Cummins Power Generation Generator Set Recall: Certain Molded Case Circuit Breakers (MCCBs) may have been manufactured…
NHTSA campaign 21V888000 · Electrical System · filed Nov 16, 2021 · verified Jul 30, 2026
The defect
Cummins Inc. (Cummins) is recalling certain 2019-2021 Power Generation C70D2RE and C100D2RE trailer-mounted generator sets. Certain Molded Case Circuit Breakers (MCCBs) may have been manufactured improperly, which can result in inadequate circuit protection.
The risk
Inadequate circuit protection can increase the risk of personal injury or fire.
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
Cummins will inspect and replace the circuit breakers, as necessary, free of charge. Owner notification letters were mailed January 14, 2022. Owners may contact Cummins customer service at 1-800-286-6467. Cummins number for this recall is C4776.
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 |
|---|---|---|
| Cummins Power Generation | Generator Set | 2019, 2020, 2021 |
Related recalls
More Cummins Power Generation Generator Set recalls
- 2022–2024 Cummins Power Generation Generator Set — Unsecured wire leads may chafe against the starter motor…
- 2023–2024 Cummins Power Generation Generator Set — Vibration damper cap screws may be improperly tightened…
- 2020–2022 Cummins Power Generation Generator Set — Incorrect logic in the output box door switch may cause the…
- 2019 Cummins Power Generation Generator Set — Jack handle may have been improperly fastened, allowing the…
- 2015–2018 Cummins Power Generation Generator Set — These generator sets may have incorrectly wired remote…
Other campaigns involving Cummins Power Generation vehicles
All Cummins Power Generation Generator Set recalls → · All Cummins Power Generation recalls →
Source: NHTSA recall database, campaign 21V888000 (manufacturer number C4776). Data last verified Jul 30, 2026.