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Mack Pioneer PR (4) recall 25V801000 - Mechanical
NHTSA · November 20, 2025
- NHTSA recall campaign 25V801000 (Mack), reported .
- Potentially affected vehicles: 46.
- Component: Mechanical.
- Details as of ; the linked official notice is authoritative for lot codes, VINs, and remedies.
- Agency
- NHTSA
- Posted
- Recalling firm
- Mack Trucks, Inc.
- Source ID
- 25V801000
How this recall compares
- NHTSA's recalls file lists 137 recall campaigns from Mack Trucks, Inc since 2010, 16 of them reported in 2025.
- At 46 vehicles, it is larger than 23% of the 994 NHTSA campaigns from 2025 with a count of potentially affected vehicles.
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. The load lock clamps, located on the back of the cab, may loosen and cause the load lock bars to become unsecured.
Consequence
A loose or unsecured load lock bar can result in a loss of cargo, creating a road hazard and increasing the risk of a crash.
Corrective action
Dealers will replace the load lock clamps, free of charge. Owner notification letters were mailed December 18, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0489. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 27, 2025.
Affected vehicles
| Make | Model | Year |
|---|---|---|
| Mack | Pioneer Pr (4) | 2025 |
| Mack | Pioneer Pr (4) | 2026 |
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