The defect
PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
Insufficient air volume can reduce braking performance and increase the risk of a crash.
The remedy
Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 24KWD.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Kenworth C500 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| Kenworth T370 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| Kenworth T440 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| Kenworth T470 | 2011, 2012, 2013, 2014, 2015, 2016 |
| Kenworth T480 | 2023 |
| Kenworth T660 | 2009, 2010, 2011, 2012, 2013, 2014, 2015 |
| Kenworth T680 | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| Kenworth T800 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| Kenworth T880 | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Kenworth W900 | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
Components: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Kenworth C500 | 2009 | 0 | 5 |
| Kenworth C500 | 2010 | 1 | 4 |
| Kenworth C500 | 2011 | 0 | 6 |
| Kenworth C500 | 2012 | 1 | 3 |
| Kenworth C500 | 2013 | 0 | 2 |
| Kenworth C500 | 2014 | 0 | 4 |
| Kenworth C500 | 2015 | 0 | 3 |
| Kenworth C500 | 2016 | 0 | 3 |
| Kenworth C500 | 2017 | 0 | 4 |
| Kenworth C500 | 2018 | 0 | 5 |
| Kenworth C500 | 2019 | 0 | 4 |
| Kenworth C500 | 2020 | 0 | 1 |
| Kenworth C500 | 2021 | 0 | 1 |
| Kenworth T370 | 2009 | 0 | 4 |
| Kenworth T370 | 2010 | 0 | 4 |
| Kenworth T370 | 2011 | 0 | 5 |
| Kenworth T370 | 2012 | 0 | 6 |
| Kenworth T370 | 2013 | 1 | 6 |
| Kenworth T370 | 2014 | 0 | 9 |
| Kenworth T370 | 2015 | 0 | 6 |
| Kenworth T370 | 2016 | 0 | 7 |
| Kenworth T370 | 2017 | 0 | 5 |
| Kenworth T370 | 2018 | 1 | 6 |
| Kenworth T370 | 2019 | 1 | 6 |
| Kenworth T370 | 2020 | 0 | 6 |
| Kenworth T440 | 2012 | 0 | 9 |
| Kenworth T440 | 2013 | 0 | 7 |
| Kenworth T440 | 2014 | 0 | 9 |
| Kenworth T440 | 2015 | 0 | 7 |
| Kenworth T440 | 2016 | 0 | 6 |
Other service brakes, air recalls in 2024
14 of the 950 recall campaigns reported to NHTSA in 2024 concerned the service brakes, air; PACCAR Incorporated filed 154 campaigns in all.
| 24V880000 21 Nov 2024 | International Motors, LLC |
| 24V750000 2 Oct 2024 | Navistar, Inc. |
| 24V620000 19 Aug 2024 | Kalmar Solutions, LLC |
| 24V558000 25 Jul 2024 | Nova Bus (US) Inc. |
| 24V559000 25 Jul 2024 | Nova Bus (US) Inc. |
| 24V465000 20 Jun 2024 | Volkswagen Group of America, Inc. |
| 24V453000 18 Jun 2024 | Spartan Fire, LLC |
| 24V428000 10 Jun 2024 | Volkswagen Group of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2024