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January 30, 2026 Service bulletin

Technical Service Bulletin for DT12 Excessive Wear

Western Star technical service bulletin TSB-26-006-WST for 2022-2026 Western Star 47X and 2021-2026 Western Star 49X.

Bulletin number
TSB-26-006-WST
Component
Power train
Summary
Technical Service Bulletin for DT12 Excessive Wear

Owners of these vehicles have filed 1 complaints in the transmission category.

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