View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $54,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 547,341 miles, 455 HP DD15AT diesel engine, 72\" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,... ConditionUsedUsage547,341 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number392389 MLS Number14015478CategorySleeper Semi Trucks Last Updated3/8/2026 LocationMoberly, MO, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $54,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 520,526 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gallon... ConditionUsedUsage520,526 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number381183 MLS Number14015445CategorySleeper Semi Trucks Last Updated2/7/2026 LocationChester, VA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $43,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 675,224 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage675,224 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number394904 MLS Number13905666CategorySleeper Semi Trucks Last Updated3/8/2026 LocationEast Chicago, IN, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $50,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 13300 lbs front axle,... ConditionUsedUsage591,495 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number389014 MLS Number13868343CategorySleeper Semi Trucks Last Updated2/28/2026 LocationConyers, GA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $56,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 525,421 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage525,421 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number387610 MLS Number14015396CategorySleeper Semi Trucks Last Updated2/22/2026 LocationCapitol Heights, MD, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $52,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 527,856 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,... ConditionUsedUsage527,856 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number387609 MLS Number13865319CategorySleeper Semi Trucks Last Updated3/7/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $58,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 518,461 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage518,479 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number387608 MLS Number13905659CategorySleeper Semi Trucks Last Updated2/25/2026 LocationCarrollton, TX, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $53,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 72" integral sleeper, air ride suspension.... ConditionUsedUsage597,847 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number387607 MLS Number13865318CategorySleeper Semi Trucks Last Updated3/7/2026 LocationFontana, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic $54,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 280-gallon fuel... ConditionUsedUsage588,522 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power475 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number387318 MLS Number13862921CategorySleeper Semi Trucks Last Updated2/27/2026 LocationFontana, CA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $48,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 622,585 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission by Detroit, tandem rear... ConditionUsedUsage622,585 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.41 ratioStock Number386528 MLS Number14015250CategorySleeper Semi Trucks Last Updated3/8/2026 LocationPoplar Bluff, MO, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $47,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 592,487 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle.... ConditionUsedUsage592,487 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number383206 MLS Number13660123CategorySleeper Semi Trucks Last Updated3/8/2026 LocationBensalem, PA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $52,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gallon fuel... ConditionUsedUsage552,791 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number382160 MLS Number14014976CategorySleeper Semi Trucks Last Updated2/11/2026 LocationJacksonville, FL, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 28 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic $56,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 510,947 miles, 400HP DD15AT engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride... ConditionUsedUsage510,950 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21291 MLS Number14014961CategorySleeper Semi Trucks Last Updated2/15/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic $59,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 400HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 460,957... ConditionUsedUsage460,957 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21290 MLS Number14014959CategorySleeper Semi Trucks Last Updated3/8/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic $56,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 526,545 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage526,545 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21285 MLS Number14014957CategorySleeper Semi Trucks Last Updated2/14/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic $56,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale. Features 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, and... ConditionUsedUsage528,283 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21276 MLS Number14014953CategorySleeper Semi Trucks Last Updated2/14/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $43,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 710,571 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage710,571 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number345142 MLS Number14014930CategorySleeper Semi Trucks Last Updated3/8/2026 LocationMoberly, MO, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $42,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 725,113 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage725,113 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number345139 MLS Number14014928CategorySleeper Semi Trucks Last Updated3/8/2026 LocationMoberly, MO, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $47,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 595,206 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage595,206 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380895 MLS Number14014870CategorySleeper Semi Trucks Last Updated2/11/2026 LocationCoxsackie, NY, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $47,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage584,193 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380892 MLS Number13701159CategorySleeper Semi Trucks Last Updated3/7/2026 LocationSan Antonio, TX, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $56,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 487,037 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage487,037 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380890 MLS Number13872094CategorySleeper Semi Trucks Last Updated2/26/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 24 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $46,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 635,278 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage635,278 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380886 MLS Number13372199CategorySleeper Semi Trucks Last Updated3/8/2026 LocationMelrose Park, IL, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 20 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $51,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 555,787... ConditionUsedUsage555,787 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380875 MLS Number13868015CategorySleeper Semi Trucks Last Updated2/14/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $51,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 548,797 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride... ConditionUsedUsage548,797 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380874 MLS Number14014866CategorySleeper Semi Trucks Last Updated2/21/2026 LocationMontgomery, NY, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $50,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 560,560 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage560,634 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380854 MLS Number13907156CategorySleeper Semi Trucks Last Updated3/8/2026 LocationLouisville, KY, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info