Mack Anthem (2019) Trailer Hitches Recall: Risk of Crash If Trailer Separates
Mack is recalling 2019 Anthem trucks with Jost fifth wheel couplings that may have a narrow slider bracket, increasing crash risk if trailer separates from tractor.
Use caution until it’s fixed
If the trailer separates from the tractor, it can increase the risk of a crash.
What happened, in plain English
Mack is recalling certain 2019 Anthem trucks with Jost fifth wheel couplings because the trailer could separate from the tractor, increasing crash risk. This affects truck owners who use these specific models for commercial or personal hauling. Read more at govinfonow.com/recall/1224167-mack-anthem-2019-trailer-hitches-recall-risk-of-crash-if.
Source Summary by GovInfoNow · govinfonow.com/recall/1224167-mack-anthem-2019-trailer-hitches-recall-risk-of-crash-if · Updated October 6, 2026 · Official notice: NHTSA #18V543000
Cite this page
“Mack Anthem (2019) Trailer Hitches Recall: Risk of Crash If Trailer Separates.” GovInfoNow, updated October 6, 2026. https://govinfonow.com/recall/1224167-mack-anthem-2019-trailer-hitches-recall-risk-of-crash-if. Based on NHTSA recall #18V543000 (https://www.nhtsa.gov/recalls?nhtsaId=18V543000).
Why it’s dangerous
The fifth wheel slider bracket may be too narrow, allowing the trailer to separate from the tractor during normal operation. This separation could lead to a crash if the trailer becomes detached while moving.
Who’s affected
Truck owners with 2019 Mack Anthem models using Jost fifth wheel couplings are most at risk. Commercial truck operators and recreational haulers using these vehicles could face higher crash risks if the trailer separates.
How to tell if you have this one
Check if your 2019 Mack Anthem truck has Jost fifth wheel couplings. The recall started September 25, 2018, and affects specific models with a narrow slider bracket.
- Brand
Mack- Category
Vehicle
What to do — step by step
Contact Mack Customer Service
Call 1-800-866-1177 to have the fifth wheel slider bracket inspected and replaced if necessary.
What NHTSA says 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.
How this recall unfolded
Recall timeline
2 dated steps over 40 days.
- NHTSA received the defect report
- Recall began
Dates from the agency record only; steps without a date are left out.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #18V543000 (August 16, 2018)
- Plain-language summary written by qwen3:4b on October 6, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.