Fifth wheel lock/fontaine
Defect Summary
Mack trucks is recalling certain model year 2011-2012 cxu trucks manufactured from may 1, 2010, through january 31, 2011. during the coupling process, it is possible for the driver to partially close the fifth wheel lock and if solely relying on a tug test (pull test), the driver may think that the fifth wheel lock is properly coupled to the trailer king pin when in fact it is not properly coupled.
Safety Consequence
If the driver drives away with a trailer that is not properly coupled, the trailer can come loose and potentially result in a vehicle crash.
Corrective Action
Mack trucks will notify owners and dealers will replace the lock bar free of charge. the safety recall began on december 7, 2011. owners may contact mack trucks at 1-800-866-1177.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Trailer Hitches.
FAQ: Recall 11V461000
Your rights, the repair process, and what each field on this page means.
What is recall 11V461000?
NHTSA recall 11V461000 was issued by Mack Trucks, Inc. on September 1, 2011. It addresses: Fifth wheel lock/fontaine. The recall affects approximately 113 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 11V461000 or the manufacturer campaign number SC0358. 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.