The official world debut of the redesigned 2023 Ford Super Duty truck lineup is coming up, and we get another preview with several prototypes spied towing trailers high in the Colorado mountains. Thanks to Zach Jeppson for providing these images to us. One noteworthy prototype is a large F-450 dually crew cab prototype that is … Continue reading New 2023 Ford Super Duty F-450 and F-250 Diesels Are Spied Towing Trailer in the Colorado Mountains