NHTSA campaign 25V663000 · Altec campaign CSN-3257
Altec Recall 25V-663: Auxiliary Engine Circuit May Overheat and Cause Fire
NHTSA recall 25V663000 (Altec campaign CSN-3257) was reported by Altec Industries, Inc. on October 3, 2025, with 278 vehicles potentially affected (per NHTSA). NHTSA's record lists the Altec ST600 for model years 2022–2025. Owners were notified on April 24, 2026, 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 25V663000 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
- 25V663000 (also written 25V-663 or 25V663)
- Filed by
- Altec Industries, Inc.
- Altec campaign number
- CSN-3257
- Report received
- Potentially affected
- 278 vehicles (per NHTSA)
- Component
- Electrical System — Wiring
- Owners notified
Repair completion: 78.06% (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 25V663000. 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.
Altec
Altec ST600
NHTSA's recall notice
As NHTSA's recall record states it for campaign 25V663000.
Defect description
Altec Industries, Inc. (Altec) is recalling certain 2022-2025 ST600 vehicles equipped with auxiliary engines. The auxiliary engine electrical circuit, including the starter and voltage regulator, may become overloaded.
Safety consequence
Overloaded circuits may overheat and increase the risk of fire.
Manufacturer remedy
Owners will be advised to turn the battery disconnect off as part of the shutdown procedure. Altec will replace the electrical circuit, free of charge. Owner notification letters were mailed April 24, 2026. Owners may contact Altec customer service at 1-877-462-5832. Altec's number for this recall is CSN-3257.
Sources
Official NHTSA notice for recall 25V663000
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.