NHTSA recall 26V351000
NHTSA advises: do not drive until the repair is done.
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 26V351000 |
| Manufacturer's number | SC0495 |
| Manufacturer | Mack Trucks, Inc. |
| Reported | 2026-05-28 |
| Owners notified | 2026-06-17 |
| Component | WHEELS:LUGS/NUTS/BOLTS/STUDS |
| Units potentially affected | 644 |
| Part numbers | 21807998 |
| Report | Quarterly report 2, for 2026 quarter 3 |
|---|---|
| Filed with NHTSA | 2026-10-07 |
| Vehicles in the campaign | 644 |
| Reported remedied | 538 (83%) |
| Reported unreachable | 0 |
| Reported removed | 0 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 3, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pioneer PR (4), Pinnacle (PI/PN), Granite (GR), and 2027 Anthem AN (4) vehicles. The wheel lug nuts may loosen and allow the wheel to detach.
What can happen
Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.
The remedy
Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect the wheel and hub mating surfaces, remove any masking material, and replace any worn components if necessary, free of charge. Owner notification letters were mailed June 22, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0495. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 31, 2026.
| 2026 MACK ANTHEM (AN) | Built 2025-06-10 to 2025-07-03. Listed as a series or trim of this model. |
|---|---|
| 2027 MACK ANTHEM AN (4) | Built 2026-01-13 to 2026-04-29. Listed as a series or trim of this model. |
| 2026 MACK GRANITE (GR) | Built 2025-06-03 to 2026-05-19. Listed as a series or trim of this model. |
| 2027 MACK GRANITE (GR) | Built 2025-06-03 to 2026-05-19. Listed as a series or trim of this model. |
| 2026 MACK PINNACLE (PI/PN) | Built 2025-06-11 to 2026-05-19. Listed as a series or trim of this model. |
| 2027 MACK PINNACLE (PI/PN) | Built 2025-06-11 to 2026-05-19. Listed as a series or trim of this model. |
| 2026 MACK PIONEER PR (4) | Built 2025-07-18 to 2026-05-01. Listed as a series or trim of this model. |
| 2027 MACK PIONEER PR (4) | Built 2025-07-18 to 2026-05-01. Listed as a series or trim of this model. |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.