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."
Consequence & remedy
Consequence: Reduced brake function can extend the distance required to stop, increasing the risk of a crash.
Remedy: 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.
Mack Trucks, Inc. (Mack) is recalling certain 2026 Granite trucks. The incorrect drive axle brake drums were installed, resulting in an incorrect load rating on the door jamb label.
Consequence & remedy
Consequence: Incorrect weight rating information on the door can result in overloading the axles, increasing the risk of a crash.
Remedy: Dealers will replace the brake drums, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
Additional source detail variants (2)
Service Brakes, Air:drum
Mack Trucks, Inc. (Mack) is recalling certain 2026 Granite trucks. The incorrect drive axle brake drums were installed, resulting in an incorrect load rating on the door jamb label.
Consequence: Incorrect weight rating information on the door can result in overloading the axles, increasing the risk of a crash.
Remedy: Dealers will replace the brake drums, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
Equipment:other:labels
Mack Trucks, Inc. (Mack) is recalling certain 2026 Granite trucks. The incorrect drive axle brake drums were installed, resulting in an incorrect load rating on the door jamb label.
Consequence: Incorrect weight rating information on the door can result in overloading the axles, increasing the risk of a crash.
Remedy: Dealers will replace the brake drums, free of charge. Owner notification letters were mailed June 16, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2026 Mack Granite Gr (4) Problems, Complaints & Recalls | Skip That Year
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