Reduced brake function/fmvss 121
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."
Safety Consequence
Reduced brake function can extend the distance required to stop, increasing the risk of a crash.
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.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Service Brakes, Air.
FAQ: Recall 25V495000
Your rights, the repair process, and what each field on this page means.
What is recall 25V495000?
NHTSA recall 25V495000 was issued by Mack Trucks, Inc. on July 29, 2025. It addresses: Reduced brake function/fmvss 121. The recall affects approximately 36 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 25V495000 or the manufacturer campaign number SC0482. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-20. For the most current official notice, visit nhtsa.gov/recalls.