View 22 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Newly Listed $38,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 499,891 miles, 455HP DD15AT engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride... ConditionUsedUsage499,891 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number399743 MLS Number14157572CategorySleeper Semi Trucks Last Updated2/22/2026 LocationSanta Clara, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info