2019 Mack Anthem (an) Recall: Fifth wheel may have an outboard slider bracket that is too narrow…
NHTSA campaign 18V543000 · Trailer Hitches · filed Aug 16, 2018 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem trucks equipped with Jost fifth wheel couplings. The fifth wheel may have an outboard slider bracket that is too narrow, possibly allowing the trailer to separate from the tractor.
The risk
If the trailer separates from the tractor, it can increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Mack will notify owners, and dealers will inspect the fifth wheel slider bracket, replacing it as necessary, free of charge. The recall began September 25, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0411.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Anthem (an) | 2019 |
Related recalls
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Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 18V543000 (manufacturer number SC0411). Data last verified Jul 30, 2026.