The defect
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 Pinnacle (PI/PN) trucks. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
Insufficient air volume can reduce braking performance and increase the risk of a crash.
The remedy
Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed February 10, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0473.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack Pinnacle (pi/pn) | 2024 |
| Mack Pioneer PR (4) | 2025 |
Components: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack Pinnacle (pi/pn) | 2024 | 0 | 5 |
| Mack Pioneer PR (4) | 2025 | 0 | 12 |
Other service brakes, air recalls in 2025
24 of the 891 recall campaigns reported to NHTSA in 2025 concerned the service brakes, air; Mack Trucks, Inc. filed 118 campaigns in all.
| 25V898000 19 Dec 2025 | New Flyer of America, Inc. |
| 25V867000 15 Dec 2025 | Mack Trucks, Inc. |
| 25V817000 25 Nov 2025 | International Motors, LLC |
| 25V806000 20 Nov 2025 | International Motors, LLC |
| 25V795000 17 Nov 2025 | PACCAR Incorporated |
| 25V781000 13 Nov 2025 | International Motors, LLC |
| 25V724000 23 Oct 2025 | Wartech Engineering, LLC |
| 25V602000 11 Sept 2025 | Daimler Trucks North America, LLC |
NHTSA recalls (public domain) · all recalls of 2025