There are 1 stored owner reports matching the powertrain & transmission leading-label group for the 2018 Ford F-550 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)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.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: May 4, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.