NHTSA recall 26V509000 · Aug 6, 2026
Mack Trucks, Inc.: Steering Gearbox Fasteners May Loosen
Product
2025 TerraPro trucks
Hazard
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
What to do
Dealers will inspect and tightened or replace the fasteners as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed September 21, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0497.
Got a car, truck or motorcycle? The surest check is your 17-character VIN, which is on your registration, insurance card, or the driver-side dashboard. NHTSA's free lookup shows any open recall that hasn't been repaired on that exact vehicle.
Check my VIN on NHTSA.govRecall details
- Summary
- Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
- Component
- STEERING
- Recall type
- Vehicle
- Potentially affected
- 341
- Manufacturer campaign number
- SC0497
Source: National Highway Traffic Safety Administration (NHTSA) notice.
Copied from the agency record without changes. Data as of Oct 14, 2026, 1:15 AM EDT. The agency notice is the final word.
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