NHTSA campaign 18V543000 · Mack campaign SC0411
Mack Recall 18V-543: Trailer may Separate from Fifth Wheel
NHTSA recall 18V543000 (Mack campaign SC0411) was reported by Mack Trucks, Inc. on August 16, 2018, with 9 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack ANTHEM (AN) for the 2019 model year. Owners were notified on September 25, 2018, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 18V543000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V543000 (also written 18V-543 or 18V543)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0411
- Report received
- Potentially affected
- 9 vehicles (per NHTSA)
- Component
- Trailer Hitches — Fifth Wheel Assembly
- Owners notified
Repair completion: 77.78% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 18V543000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mack
Mack ANTHEM (AN)
- 2019 · Vehicles built June 9, 2018 – June 29, 2018 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 18V543000.
Defect description
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.
Safety consequence
If the trailer separates from the tractor, it can increase the risk of a crash.
Manufacturer remedy
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.
Notes
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.
Sources
Official NHTSA notice for recall 18V543000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.