Mack ANTHEM (AN) problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
11 owner complaints analyzed
23 distinct recall campaigns
35,000 mi median reported failure mileage
Scope: 2018 to 2026 model years. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 5 of 11 complaints (45.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 9.1% |
| Braking behavior | 1 | 9.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 5 |
| Exterior Lighting | 2 |
| Power Train | 2 |
| Air Bags | 1 |
| Electrical System | 1 |
| Service Brakes | 1 |
| Steering | 1 |
| Suspension | 1 |
Fuel/Propulsion System: 5; Exterior Lighting: 2; Power Train: 2; Air Bags: 1; Electrical System: 1; Service Brakes: 1; Steering: 1; Suspension: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 2; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (2). 8 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2023 | 1 |
| 2025 | 6 |
| 2026 | 1 |
2019: 1; 2020: 2; 2023: 1; 2025: 6; 2026: 1
Pattern summary
Fuel/Propulsion System leads the component reports. Transmission and shifting appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11751705 · 2026-07-21 (July 21, 2026)
This vehicle was sold to me as a new truck by Mountain West Truck Center in Salt Lake City, UT, with Federal Excise Tax paid accordingly. Prior to sale, the truck had undergone structural frame repair at Tec Equipment, an authorized Mack/Volvo dealer and repair facility in Reno, Nevada. During that repair, Huck bolts , permanent, engineered structural fasteners used to secure the frame and axle assemblies to OEM specification , were removed and replaced with non-equivalent standard threaded bolts. Those substitute fasteners were not properly in…
Owner-reported narrative. Look up ODI 11751705 at NHTSA ↗
Owner report 11282437 · 2019-11-26 (November 26, 2019)
TL* THE CONTACT OWNS A 2020 MACK ANTHEM. THE CONTACT STATED THAT EACH TIME THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE MOVED FROM SIDE TO SIDE, THE WHEELS WOULD JUMP, AND THE HOOD ATTEMPTED TO OPEN. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO NEXTRAN TRUCK CENTERS (2200 W LANDSTREET RD, ORLANDO, FL 32809, [phone removed]) WHERE THE DRUM, BRAKE LINE, AND BRAKE ADJUSTMENTS WERE COMPLETED. THE VEHICLE WAS REPAIRED. THE CONTACT ALSO STATED THAT THE VEHICLE WAS TAKEN ON THREE DIFFERENT OCCASIONS TO T…
Owner-reported narrative. 28,000 miles reported. Look up ODI 11282437 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
2018: 4; 2019: 6; 2020: 6; 2021: 5; 2022: 5; 2023: 3; 2024: 6; 2025: 8; 2026: 1