2021 Ford F-250 SD power train problems

23 owner complaints filed with NHTSA name the power train on the 2021 Ford F-250 SD — 14% of all complaints for this model year.

Power Train complaints

14%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“This is a follow-up to my original complaint #XXX, filed XXX, regarding the failure of the 10R140 10-speed automatic transmission in my 2021 Ford F-250 Super Duty (VIN: [XXX]). The transmission began exhibiting symptoms of gear slipping, jerking, delayed and harsh shifting, and pinging from the…”
filed Jul 15, 2026
“Transmission has shifting issues. Sometimes is don't down shift below 4th gear and when in an intersection truck barley moves then it shifts hard and can move . It also is constantly shifting between gears. It will shift form 10th to 5yh while driving.”
filed Mar 20, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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