Freightliner Cascadia 2013–2020 — technical service bulletin
Bulletin SB26-052 · NHTSA communication 10183735 · issued Nov 30, 2020
Technical service bulletin
communication type
Power Train
component
2013–2020
model years
8
vehicle entries
Official summary
Revised Service Bulletin for DT12 PTO Upfit. This bulletin replaces the version dated 09/13/2019. DDCSN and Power Service Literature references have been removed.
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.