Trailer may separate from fifth wheel
Defect Summary
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.
Corrective Action
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.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Trailer Hitches.
FAQ: Recall 18V543000
Your rights, the repair process, and what each field on this page means.
What is recall 18V543000?
NHTSA recall 18V543000 was issued by Mack Trucks, Inc. on August 16, 2018. It addresses: Trailer may separate from fifth wheel. The recall affects approximately 9 vehicles, with the defect involving the Trailer Hitches component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 18V543000 or the manufacturer campaign number SC0411. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.