View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $35,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale. Features a 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, and... ConditionUsedUsage744,175 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380793 MLS Number13302255CategorySleeper Semi Trucks Last Updated2/20/2026 LocationPhoenix, AZ, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info