One problem related to transmission gear slipping has been reported for the 2003 Ford F-350. The most recently reported issues are listed below.
The contact owns a 2003 Ford f350. The contact stated that while driving 45 mph the transmission started slipping and the vehicle stalled without warning. The contact was able to restart vehicle. The vehicle was neither repaired nor taken for diagnosis. The manufacturer was notified of incident. The failure mileage was 47,000.