View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic Newly Listed $57,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 473,901 miles, 475HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage473,901 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power475 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.23 ratioStock Number374128 MLS Number14094236CategorySleeper Semi Trucks Last Updated1/18/2026 LocationNew Castle, DE, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info