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September 3, 2026 Service bulletin

"KW: The chassis list has been updated to include 1 chassis

Kenworth technical service bulletin P001 for 2025-2026 Kenworth T680, 2025-2026 Peterbilt 579 and 2025-2026 Kenworth T880 and others.

Bulletin number
P001
Component
Engine
Summary
"KW: The chassis list has been updated to include 1 chassis. The total chassis count is now 53. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section. PB: The chassis list has been updated to include 8 chassis. The total chassis count is now 130. A link to the PACCAR Powertrain Prognostics Webcast has been added in the Links section."

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