NHTSA · Vehicle · Recall 26V509000 · Recalled August 6, 2026
Mack Terrapro (TE) recall (26V509000)
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. 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.
Affected product: Mack Terrapro (TE)
View the official NHTSA record for campaign 26V509000 (api.nhtsa.gov) ↗
To check whether your vehicle is affected and unrepaired, look up your VIN on NHTSA’s recall search ↗.
Description
Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
Affected vehicles
Companies & origin
Identifying details (verbatim from the notice)
Source: National Highway Traffic Safety Administration. This page mirrors the official public-domain record verbatim; the linked government source is authoritative. Source last checked August 21, 2026 at 12:00 PM UTC.