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Mack Trucks, Inc.: Equipment:Mechanical (2025 MACK PIONEER PR (4), 2026 MACK PIONEER PR (4))

Vehicles & EquipmentSource: NHTSA · Date: 2025-11-20

Read the official notice at NHTSA →

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The text below is copied from the official NHTSA record. If anything differs, the official notice is correct.

Company / brand
Mack Trucks, Inc.
Product
2025 MACK PIONEER PR (4); 2026 MACK PIONEER PR (4)
Reason / hazard
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.
What to do (remedy)
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.
Distribution / sold at
Potentially affected: 46
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.
Component
EQUIPMENT:MECHANICAL
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