Ford's F-series is a dominating force in the light and heavy-duty truck market. The F-150 leads the pack in the light-duty segment, while the Super Duty is the undisputed king of the heavy-duty trucks. However, the F-150 is not simply a scaled-down version of the Super Duty, and the Super Duty is not just a larger F-150. Each model has its unique features that make them leaders in their respective classes.