2021 Freightliner Cascadia, Detroit, DD15, 400HP, 12 Speed Autoshift Transmission, Sleeper, , , Stock # 1843840 2021 Freightline Cascadia. Detroit DD 15 400HP, 436,216 miles. 12 speed auto-**** transmission. This is a beautiful truck that will not last long. Contact us today so we can start the deal for you! Price does not include state and local taxes; tags; registration or title fees; dealer-imposed fees, including document preparation, processing or servicing fees, or any optional equipment or upfitting work selected by buyer. Valid while supplies last. Images shown may not reflect actual vehicle.