1991 Ford F Super Duty

The 1991 Ford F Super Duty represents a chassis-cab application designed for heavy-duty use, although the “Super Duty” label was not officially adopted until later models. Positioned between the F-350 and F-600, it is part of the eighth-generation F-Series, which featured significant updates, including a redesigned front fascia with composite headlights and an improved interior. Engine options included a 4.9L inline-six and various V8 configurations, with fuel injection becoming standard across the lineup. Key specifications include a standard five-speed manual transmission, with automatic options available, and the choice of four-wheel drive for many models. Notably, the F-250 could tow up to 10,000 lbs, showcasing its heavy-duty capabilities. To correctly identify the vehicle, examining engine options and model specifics is essential, as this impacts performance and reliability.