United StatesCertain 2025 TerraPro trucks are affected; look for vehicles described as 2025 TerraPro model trucks. They were recalled because the steering gearbox fasteners may loosen, which can lead to a loss of steering and increase the risk of a crash. Dealers will inspect and tighten or replace the fasteners free of charge; interim letters were mailed September 21, 2026, and owners may contact Mack customer service at 1-800-866-1177 (Mack recall SC0497, NHTSA campaign 26V509000).
What's being recalled
Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
How to identify it
NHTSA campaign 26V509000; Manufacturer campaign SC0497
The 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.
The official notice
This page is a summary of the notice published by U.S. National Highway Traffic Safety Administration, collected from U.S. National Highway Traffic Safety Administration. Check the original before you act on it.
Read the official notice (opens in a new tab)