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October 28, 2025 Service bulletin

Safety recall

Kenworth technical service bulletin 24KWD for 2020-2024 Kenworth T680, 2017-2024 Kenworth W900 and 2017-2024 Kenworth T880 and others.

Bulletin number
24KWD (24KWD)
Component
Service brakes
Summary
SAFETY RECALL Additional chassis have been included. The chassis list has been updated. Certain T370 / T440 / T470 / T480 / T660 / T680 / T800 / T880 / W900 / C500 chassis may be equipped with air tank reservoirs that have less than twelve times the combined volume of all service brake chambers which fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) No.121, Air Brake Systems.

Owners of these vehicles have filed 7 complaints in the brakes category.

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