Freightliner Cascadia is a line of Class 8 heavy-duty semi-trucks manufactured by Freightliner Trucks, a division of Daimler Trucks North America (DTNA). The Cascadia is one of the most popular semi-trucks in North America due to its fuel efficiency, reliability, and power. It comes in a variety of configurations, including day cab, sleeper cab, and extended cab versions, and is available with a wide range of engines and transmissions.