2026-2027 Mack Granite (gr), 2026-2027 Mack Pinnacle (pi/Pn), 2026-2027 Mack Pioneer PR (4) and 2 more models recall: Do Not Drive: Wheel May Detach
Report received by NHTSA: May 28, 2026.
Built by the Tribune's code from NHTSA's official records. No AI wrote this page. Updated Nov. 4, 2026.
Do not drive NHTSA's record carries its “Do not drive” warning for this recall. NHTSA's recall page and the remedy below give the instructions.
- What's recalled
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.
- The risk
Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.
- Who's affected
644 vehicles potentially affected, according to NHTSA. Models: 2026-2027 Mack Granite (gr), 2026-2027 Mack Pinnacle (pi/Pn), 2026-2027 Mack Pioneer PR (4), 2026 Mack Anthem (an), 2027 Mack Anthem AN (4).
- Compared with
Mack Trucks, Inc. has 9 NHTSA recalls in 2026 so far, compared with 17 in all of 2025.
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- Before this
81 earlier NHTSA recalls by Mack Trucks, Inc. since Nov. 1, 2016; the 5 most recent:
- April 23, 2026 2025-2027 Mack Pioneer PR (4), 2026-2027 Mack Anthem AN (4) recall: Rear Brake Modulators May Short Circuit (agency record)
- April 1, 2026 Mack Trucks, Inc. recall: Turn Signal Failure/FMVSS 108 (agency record)
- March 11, 2026 Mack Trucks, Inc. recall: ECU Software Error May Cause Unexpected Vehicle Movement/FMVSS 102 (agency record)
- Dec. 15, 2025 Mack Trucks, Inc. recall: Rear Brakes May Overheat (agency record)
- Nov. 20, 2025 Mack Trucks, Inc. recall: High Beams May Not Automatically Switch to Low Beams/FMVSS 108 (agency record)
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- What to do and when
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.
NHTSA's record, word for word
- Check it yourself
NHTSA's VIN lookup shows whether a specific vehicle has an open recall.
Models in this recall
- Mack Anthem (an) 2026
- Mack Anthem AN (4) 2027
- Mack Granite (gr) 2026-2027
- Mack Pinnacle (pi/Pn) 2026-2027
- Mack Pioneer PR (4) 2026-2027
The record as NHTSA published it
| NHTSA recall number | 26V351000 |
|---|---|
| Manufacturer | Mack Trucks, Inc. |
| Recall type | Vehicle |
| Component | WHEELS |
| Report received by NHTSA | May 28, 2026 |
| Potentially affected | 644 vehicles |
| Manufacturer's recall number | SC0495 |
| “Do not drive” warning | Yes |
| Fire risk when parked (“park outside”) | No |
Source: National Highway Traffic Safety Administration recall records (public domain). NHTSA's record