The defect
Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
The risk
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack Terrapro (te) | 2025 |
Components: STEERING:CRITICAL FASTENERS | STEERING:GEAR BOX:MOUNTING BRACKET
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack Terrapro (te) | 2025 | 0 | 4 |
Other steering recalls in 2026
20 of the 666 recall campaigns reported to NHTSA in 2026 concerned the steering; Mack Trucks, Inc. filed 118 campaigns in all.
| 26V621000 29 Sept 2026 | Chrysler (FCA US, LLC) |
| 26V598000 17 Sept 2026 | Toyota Motor Engineering & Manufacturing |
| 26V590000 11 Sept 2026 | Volkswagen Group of America, Inc. |
| 26V527000 13 Aug 2026 | Jaguar Land Rover North America, LLC |
| 26V524000 12 Aug 2026 | BMW of North America, LLC |
| 26V500000 30 Jul 2026 | Honda (American Honda Motor Co.) |
| 26V444000 9 Jul 2026 | Volvo Trucks North America |
| 26V405000 24 Jun 2026 | Harbinger Motors Inc. |
NHTSA recalls (public domain) · all recalls of 2026