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What 8 owners told NHTSA about the 2018 Ford F-550
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
1 of 8 complaints match · Transmission & drivetrain · clear filters
Nov 17, 2023Transmission & drivetrain
The contact owns a 2018 Ford F-550. The contact stated while driving 65 MPH, the contact observed a humming sound coming from the rear-end of the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the ring and pinion needed to be replaced. The vehicle was then taken to a dealer where it was diagnosed that the ring and pinion needed to be replaced. The manufacturer was notified of the failure. The failure mileage was 26,000.
NHTSA ODI 11555618
Working with the data? Download all 8 complaints as CSV · fetched from NHTSA July 19, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your
pre-purchase inspection list. Back to the
full 2018 Ford F-550 verdict →