NHTSASERVICE BRAKES,...
Mack Trucks, Inc. - Reduced Brake Function/FMVSS 121
Published: July 29, 2025Recall ID: 25V495000Category: vehiclesCountry: US
Reason for Recall / Hazard
Reduced brake function can extend the distance required to stop, increasing the risk of a crash.
Product Description & Identification
Mack Trucks, Inc. (Mack) is recalling certain 2026 Mack GR trucks. The brake drum and steer axle combination are incompatible, which may cause a loss of brake function. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Affected Products
Reduced Brake Function/FMVSS 121
Additional Source Details
| Field | Value |
|---|---|
| Subject | Reduced Brake Function/FMVSS 121 |
| Nhtsa id | 25V495000 |
| Component | SERVICE BRAKES, AIR |
| Recall link › Url | https://www.nhtsa.gov/recalls?nhtsaId=25V495000 |
| Recall link › Description | Go to Recall |
| Recall type | Vehicle |
| Do not drive | No |
| Manufacturer | Mack Trucks, Inc. |
| Defect summary | Mack Trucks, Inc. (Mack) is recalling certain 2026 Mack GR trucks. The brake drum and steer axle combination are incompatible, which may cause a loss of brake function. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems." |
| Completion rate | 58.33 |
| Corrective action | Dealers will replace the steer axle brake drums, free of charge. Owner notification letters were mailed August 27, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0482. |
| Consequence summary | Reduced brake function can extend the distance required to stop, increasing the risk of a crash. |
| Mfr campaign number | SC0482 |
| Potentially affected | 36 |
| Report received date | 2025-07-29T00:00:00.000 |
| Fire risk when parked | No |