We read the American register again on 23 September 2026. The remedy of recall 26V509 no longer matched the copy we held, last confirmed on 23 September 2026. Registers rarely flag their own edits, which is why we compare every read word for word.
Before, as last confirmed on 23 September 2026
Dealers will inspect and tightened or replace the fasteners as necessary, free of charge. Owner notification letters are expected to be mailed October 5, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0497.
After, as read on 23 September 2026
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.
The full notice, with every version we hold: Mack Trucks recall 26V509. The record to act on: NHTSA campaign 26V509.
Caught by the automatic daily read of the NHTSA register. How we compare versions: methodology.