View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic Price Drop $69,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 343,988 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, single rear axle,... ConditionUsedUsage343,988 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelDD13Transmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleSingle AxleRear End23,000 lb 3.08 ratioStock Number374531 MLS Number14399142CategorySleeper Semi Trucks Last Updated7/1/2026 LocationLexington, SC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info