Mack Trucks Petitions: Air Brake Flaw is No Safety Threat
Published Date: 3/24/2025
Notice
Summary
Mack Trucks found that some 2017-2026 Pinnacle and 2017-2019 CHU trucks don’t fully meet air brake safety rules. They told the government and asked for a pass, saying the issue won’t hurt safety. This means owners and drivers might not see any changes or costs while the decision is being made.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 0 costs, 1 mixed.
Certain Mack Trucks Found Noncompliant
Mack Trucks says some model year 2017–2026 Pinnacle (PI/PN) and model year 2017–2019 CHU trucks do not fully meet Federal Motor Vehicle Safety Standard No. 121 (Air Brake Systems). Mack filed noncompliance reports on December 20, 2024 (amended January 15, 2025) and petitioned NHTSA on January 15, 2025, asking that the noncompliance be judged inconsequential for motor vehicle safety. While NHTSA considers the petition, the company has asked for a decision that may mean no immediate changes or costs for owners and drivers of those trucks.
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