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January 22, 2026 Service bulletin

Technical Service Bulletin for DT12 Excessive Wear

Freightliner technical service bulletin TSB-26-055-FTL for 2020-2026 Freightliner Cascadia.

Bulletin number
TSB-26-055-FTL
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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