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Manufacturer recall number

Kenworth recall 24KWD

Kenworth calls it 24KWD. NHTSA filed it as campaign 24V145000 on Feb 23, 2024: service brakes, air on the 2009–2024 Kenworth C500 and 9 other Kenworth models, 936 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
24V1450002009–2024 Kenworth C500 and 9 other Kenworth modelsService Brakes, AirFeb 23, 2024936high
Problem 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." Risk Insufficient air volume can reduce braking performance and increase the risk of a crash. Fix 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.

The manufacturer’s own words as filed for 24V145000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. 24KWD is the number Kenworth assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 24V145000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is 24KWD the same recall as 24V145000?

Yes. 24KWD is Kenworth’s own number for it; 24V145000 is NHTSA’s. One recall, two references.

Which vehicles does 24KWD cover?

2009–2024 Kenworth C500 and 9 other Kenworth models, 936 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the 24KWD repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.