Fifth wheel locking mechanism may not engage
Defect Summary
Paccar incorporated (paccar) is recalling certain model year 2012-2013 peterbilt 579 and 587 trucks manufactured february 14, 2011, to december 5, 2012 and 2011 kenworth t700 trucks manufactured september 21, 2010, to october 1, 2010. the affected trucks are equipped with fontaine ultra lt fifth wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a locking mechanism that may fail to operate or to properly engage.
Safety Consequence
If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.
Corrective Action
Paccar will notify owners, and dealers will replace the fifth wheel with an ultra nt model fifth wheel, free of charge. the recall began on december 7, 2015. owners may contact kenworth customer service at 1-425-828-5000 or peterbilt customer service at 1-940-591-4000. paccar's numbers for this recall are 15kwp (kenworth) and 1015m (peterbilt).
Similar Recalls
Other recalls from Paccar Incorporated or involving N/A.
FAQ: Recall 15V641000
Your rights, the repair process, and what each field on this page means.
What is recall 15V641000?
NHTSA recall 15V641000 was issued by Paccar Incorporated on October 9, 2015. It addresses: Fifth wheel locking mechanism may not engage. The recall affects approximately 290 vehicles, with the defect involving the N/A component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 15V641000 or the manufacturer campaign number 15KWP and 1015M. 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.