Recall
Mack Pioneer Pr (4) — 25V801000
NHTSA ID
25V801000
Make
Mack
Model
Pioneer Pr (4)
Years Affected
2025
Recall Date
2025-11-20
Component
EQUIPMENT:MECHANICAL
Units Affected
46
Completion Rate
—
Mfr Campaign No.
SC0489
Summary
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.
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.