Freightliner Cascadia 2020–2026 — technical service bulletin
Bulletin FleetCom_NFD Axle · NHTSA communication 11027497 · issued Dec 11, 2025
Technical service bulletin
communication type
Power Train
component
2020–2026
model years
7
vehicle entries
Official summary
Fleet Communications for Detroit NFD Axle - Factory Fluid Change
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.