Kenworth T800, Kenworth W900, model years 2007 to 2014. Filed by PACCAR Incorporated and reported to NHTSA on 18 November 2013. 18 vehicles potentially affected.
What the notice says PACCAR is recalling certain model year 2007-2014 Kenworth T800 and W900 trucks manufactured March 22, 2006, through July 15, 2013 and equipped with Primaax tridem rear suspensions and a pusher and/or tag axle. The affected trucks have brake chambers that take longer to apply or release the brakes than the required …
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: 13KWL. That is the number on the owner letter and on the dealer paperwork. 13V573 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 13V573 cover?
- Kenworth T800, Kenworth W900, model years 2007-2014.
- What is wrong with them?
- PACCAR is recalling certain model year 2007-2014 Kenworth T800 and W900 trucks manufactured March 22, 2006, through July 15, 2013 and equipped with Primaax tridem rear suspensions and a pusher and/or tag axle.
- What can happen if it is not put right?
- Brakes that take longer to apply may lengthen the distance needed to stop the truck, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. PACCAR will notify owners, and dealers will modify the air brake system, free of charge. The recall began on January 15, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's recall number is 13KWL.
- 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 13KWL, 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: “Brakes that take longer to apply may lengthen the distance needed to stop the truck, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 13V573 |
|---|---|
| Filed by | PACCAR Incorporated |
| System at fault | Service Brakes |
| Reported to NHTSA | 18 November 2013 |
| Model years | 2007-2014 |
| Vehicles named | KENWORTH T800, KENWORTH W900 |
What the notice says today
The consequence
Brakes that take longer to apply may lengthen the distance needed to stop the truck, increasing the risk of a crash.
The remedy
PACCAR will notify owners, and dealers will modify the air brake system, free of charge. The recall began on January 15, 2014. Owners may contact PACCAR at 1-425-468-7400. Kenworth's recall number is 13KWL.
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 78 notices in the record whose component field names service brakes. Across that group the median wait before owners were written to was 39 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 13V573, wording as read on 17 September 2026. https://carsmultiverse.com/recall/13v573/
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 13V573 on 23 August 2026, they were:
- Defect summary
8228fdbe - Consequence
9a936fa3 - Remedy
5ad53c3e
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 13V573 · how the whole register is watched
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