View 25 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $46,750 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 Updated1/14/2026 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 $63,750 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 Updated12/25/2025 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 $41,500 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 Updated1/14/2026 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 Price Drop $55,000 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 Updated1/9/2026 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 Price Drop $53,500 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 Updated1/4/2026 LocationMontgomery, NY, 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, 455HP, 12 Speed Automatic $55,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 546,766 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage546,766 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380866 MLS Number14014855CategorySleeper Semi Trucks Last Updated1/14/2026 LocationWeatherford, 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 $52,500 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 Updated1/4/2026 LocationLouisville, KY, 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 $54,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension.... ConditionUsedUsage546,043 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380850 MLS Number14014851CategorySleeper Semi Trucks Last Updated1/4/2026 LocationDavenport, IA, 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 $53,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 563,646 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage563,646 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380845 MLS Number13813821CategorySleeper Semi Trucks Last Updated1/9/2026 LocationMedley, FL, 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 $47,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 603,658 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage603,658 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380844 MLS Number14014846CategorySleeper Semi Trucks Last Updated1/14/2026 LocationNorth Fond Du Lac, WI, 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 $55,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 526,478 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage526,478 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380841 MLS Number14014843CategorySleeper Semi Trucks Last Updated1/8/2026 LocationJacksonville, FL, 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 $48,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 589,605 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission. Come see today. ConditionUsedUsage589,623 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380839 MLS Number13857356CategorySleeper Semi Trucks Last Updated1/7/2026 LocationTampa, FL, 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 $54,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 529,440 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage529,440 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380835 MLS Number14014841CategorySleeper Semi Trucks Last Updated1/7/2026 LocationBensalem, PA, 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 Price Drop $53,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 565,428 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage565,428 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380832 MLS Number14014835CategorySleeper Semi Trucks Last Updated1/4/2026 LocationPompano Beach, FL, 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 $46,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 613,200 miles, 455HP DD15AT diesel engine, 72\" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,... ConditionUsedUsage613,200 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380830 MLS Number14014833CategorySleeper Semi Trucks Last Updated1/14/2026 LocationMilwaukee, WI, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $54,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 545,044 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage545,044 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380823 MLS Number14014832CategorySleeper Semi Trucks Last Updated1/9/2026 LocationRiviera Beach, FL, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 21 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, 559,018 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage559,018 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380820 MLS Number13843336CategorySleeper Semi Trucks Last Updated1/7/2026 LocationFredericksburg, 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 $58,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 514,000 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage514,000 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380816 MLS Number14014831CategorySleeper Semi Trucks Last Updated1/10/2026 LocationChattanooga, TN, 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, 455HP, 12 Speed Automatic $51,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale. 605,316 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage605,322 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380805 MLS Number13868001CategorySleeper Semi Trucks Last Updated1/7/2026 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, 455HP, 12 Speed Automatic $45,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 657,720 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride... ConditionUsedUsage657,720 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380804 MLS Number14014825CategorySleeper Semi Trucks Last Updated1/10/2026 LocationMelrose Park, IL, 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 $66,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 468,326 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage468,326 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380794 MLS Number14014821CategorySleeper Semi Trucks Last Updated1/4/2026 LocationJurupa Valley, 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, 455HP, 12 Speed Automatic $73,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 397,540 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage397,540 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380789 MLS Number14014819CategorySleeper Semi Trucks Last Updated1/14/2026 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 $37,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension,... ConditionUsedUsage743,943 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380766 MLS Number14014817CategorySleeper Semi Trucks Last Updated1/14/2026 LocationEast Chicago, IN, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $57,250 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 543,921 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,... ConditionUsedUsage543,921 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380755 MLS Number14014816CategorySleeper Semi Trucks Last Updated1/4/2026 LocationHouston, 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 $51,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 556,998 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage556,999 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number344958 MLS Number13599674CategorySleeper Semi Trucks Last Updated1/4/2026 LocationWest Valley City, UT, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info