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May 18, 2026 Service bulletin

Kenworth

Kenworth technical service bulletin E311 for 2018-2022 Kenworth T680, 2018-2022 Kenworth T800 and 2018-2022 Kenworth W900 and others.

Bulletin number
E311
Component
Engine
Summary
Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for cross-division repair filing.

Owners of these vehicles have filed 3 complaints in the engine category.

Vehicles covered

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