NHTSA campaign 26V311000 · Oshkosh campaign NGDV_TSB_066
Oshkosh Recall 26V-311: High Voltage Battery Contactor Failure May Cause Loss of Drive Power
NHTSA recall 26V311000 (Oshkosh campaign NGDV_TSB_066) was reported by Oshkosh Corporation on May 18, 2026, with 76 vehicles potentially affected (per NHTSA). NHTSA's record lists the Oshkosh Ngdv Electric for the 2025 model year. Owners were notified on May 26, 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 26V311000 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
- 26V311000 (also written 26V-311 or 26V311)
- Filed by
- Oshkosh Corporation
- Oshkosh campaign number
- NGDV_TSB_066
- Report received
- Potentially affected
- 76 vehicles (per NHTSA)
- Component
- Electrical System — Propulsion System — Fuses, Relays, Contacts, and Shunts
- Owners notified
Repair completion: 100% (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 26V311000. 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.
Oshkosh
Oshkosh Ngdv Electric
- 2025 · Vehicles built February 6, 2025 – March 11, 2026 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 26V311000.
Defect description
Oshkosh Corporation (Oshkosh Defense) is recalling certain 2025 NGDV battery electric vehicles. In cold weather, the high voltage battery contactor may open unexpectedly, causing a loss of drive power.
Safety consequence
A loss of drive power can increase the risk of a crash.
Manufacturer remedy
Oshkosh Defense will repair or replace the batteries as necessary, free of charge. Owner notification letters were mailed May 26, 2026. Owners may contact Oshkosh Defense customer service at 1-833-304-8100. Oshkosh Defense's number for this recall is NGDV_TSB_066.
Sources
Official NHTSA notice for recall 26V311000
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.