NHTSA·Commercial vehicles·August 6, 2026

Mack recalls 341 2025 TerraPro trucks over steering gearbox fasteners that may loosen

The fasteners holding the steering gearbox may loosen, which can cause a loss of steering and raise the risk of a crash.

What to do

Take the truck to a Mack dealer, who will inspect it and tighten or replace the fasteners for free. Owners may call Mack customer service at 1-800-866-1177 and cite recall number SC0497.

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Recall details

Product
Mack Terrapro (Te) 2025
Hazard
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
Units
341 vehicles
Reported to NHTSA
August 6, 2026
Identifiers
  • NHTSA campaign number: 26V509000
  • Manufacturer campaign number: SC0497
  • Model years: 2025

The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.

Official notice

The notice's own wording from NHTSA.

Component
STEERING:GEAR BOX:MOUNTING BRACKET
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
Consequence
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
Corrective action
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.

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