NHTSA campaign 21V888000 · Manufacturer campaign C4776

Cummins Power Generation Recall 21V-888: Circuit Breaker May Not Function Properly

NHTSA recall 21V888000 (Manufacturer campaign C4776) was reported by Cummins, Inc. on November 16, 2021, with 847 vehicles potentially affected (per NHTSA). NHTSA's record lists the Cummins Power Generation Generator Set for model years 2019–2021. Owners were notified on January 14, 2022, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V888000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
21V888000 (also written 21V-888 or 21V888)
Filed by
Cummins, Inc.
Manufacturer campaign number
C4776
Report received
Potentially affected
847 vehicles (per NHTSA)
Component
Electrical System — Wiring — Fuses and Circuit Breakers
Owners notified

Repair completion: 61.86% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 21V888000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Cummins Power Generation

All Cummins Power Generation recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V888000.

Defect description

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.

Safety consequence

Inadequate circuit protection can increase the risk of personal injury or fire.

Manufacturer remedy

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.

Notes

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.

Sources

Official NHTSA notice for recall 21V888000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.