2009–2021 Kenworth C500, 2009–2020 Kenworth T370, 2012–2021 Kenworth T440 and 7 other models Recall: Air tanks have an insufficient volume of air for the brake system
NHTSA campaign 24V145000 · Service Brakes, Air · filed Feb 23, 2024 · verified Jul 30, 2026
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
| Make | 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 |
Related recalls
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Other campaigns involving Kenworth vehicles
Source: NHTSA recall database, campaign 24V145000 (manufacturer number 24KWD). Data last verified Jul 30, 2026.