Kenworth T700, Peterbilt 579, Peterbilt 587, model years 2011 to 2013. Filed by PACCAR Incorporated and reported to NHTSA on 9 October 2015. 290 vehicles potentially affected.
What the notice says 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, …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
The maker's own number for this recall: 15KWP AND 1015M. That is the number on the owner letter and on the dealer paperwork. 15V641 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 15V641 cover?
- Kenworth T700, Peterbilt 579, Peterbilt 587, model years 2011-2013.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. The maker calls this recall 15KWP AND 1015M, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “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.”
affected
in the notice
caught
| Campaign | 15V641 |
|---|---|
| Filed by | PACCAR Incorporated |
| System at fault | Equipment |
| Reported to NHTSA | 9 October 2015 |
| Model years | 2011-2013 |
| Vehicles named | KENWORTH T700, PETERBILT 579, PETERBILT 587 |
What the notice says today
The 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.
The remedy
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).
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Kenworth T700 recalls: 11 US campaigns
- Peterbilt 579 recalls: 59 US campaigns
- Peterbilt 587 recalls: 23 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 15V641, wording as read on 16 September 2026. https://carsmultiverse.com/recall/15v641/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 15V641 on 23 August 2026, they were:
- Defect summary
ed76f52e - Consequence
6632c7e7 - Remedy
6f9c0be9
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 15V641 · how the whole register is watched
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