NHTSA Vehicles recall ·
2025–2026 Mack Pioneer PR (4) recall: Load Lock Clamps May Fail
- Recall number
- 25V801000
- Date
- Manufacturer
- Mack Trucks, Inc.
- Category
- Vehicles › Equipment
- Recall type
- Vehicle
- Units affected
- 46
- Hazard tags
- Crash risk
Read the official NHTSA notice ↗
Product
Equipment
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Pioneer PR (4) | 2025–2026 |
Not every vehicle of these models is affected. Enter your 17-character VIN on NHTSA.gov to check your vehicle.
Why was it recalled?
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.
What should you do?
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.
Manufacturer campaign number
SC0489
Source: NHTSA (vehicles), recall 25V801000. Official notice. Republished from public data; RecallFlag is not affiliated with the NHTSA.