View 1 Photo View 0 Videos 2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic $58,900 USD CUMMINS POWER! This 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure... ConditionUsedUsage472,747 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4TransmissionAutomaticSleeper TypeRaised Roof SleeperSleeper Size80"Rear AxleTandem AxleRear End40,000 lb 2.64 ratioStock Number8680317 MLS Number14140356CategorySleeper Semi Trucks Last Updated2/17/2026 LocationWyoming, MI, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic $60,900 USD ULTRALOFT! This 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and a 12 Speed Automatic Transmission; Adaptive Cruise Control; Collision Mitigation; Lane Departure Assistance;... ConditionUsedUsage447,242 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4TransmissionAutomaticSleeper TypeRaised Roof SleeperSleeper Size80"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.64 ratioStock Number8680313 MLS Number14140353CategorySleeper Semi Trucks Last Updated2/17/2026 LocationWyoming, MI, US Sold ByJX Truck Center (844) 985-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 25 Photos View 2 Videos 2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt $55,300 USD 17 Matched Units Available!, 500k - 573k Miles, $49,500 - $57,600, Over 100 Cascadia Sleepers In Stock; 2018 Newer!, Fresh DOT, Full 128 Point Inspection, DD15 Detroit, 455 HP, DT12 HD... ConditionUsedUsage514,000 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedSleeper TypeRaised Roof SleeperSuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock NumberCASCADIA-GROUP MLS Number14140340CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ 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 $50,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension.... ConditionUsedUsage559,959 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number363134 MLS Number14081679CategorySleeper Semi Trucks Last Updated2/19/2026 LocationMount Pleasant, PA, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $82,000 USD Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension.... ConditionUsedUsage403,079 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number385095 MLS Number14140301CategorySleeper Semi Trucks Last Updated2/13/2026 LocationArlington, TX, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos 2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $49,000 USD Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,815 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,... ConditionUsedUsage634,815 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number384887 MLS Number14140297CategorySleeper Semi Trucks Last Updated2/14/2026 LocationZelienople, 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 $60,750 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 531,749 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride... ConditionUsedUsage531,752 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number380777 MLS Number13867999CategorySleeper Semi Trucks Last Updated2/19/2026 LocationDenver, CO, 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 $46,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,320 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle.... ConditionUsedUsage635,903 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number334513 MLS Number13865263CategorySleeper Semi Trucks Last Updated2/18/2026 LocationAugusta, 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 $47,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 605,778 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,... ConditionUsedUsage605,782 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number334509 MLS Number14014658CategorySleeper Semi Trucks Last Updated2/12/2026 LocationHouston, TX, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt $44,950 USD New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K... ConditionUsedUsage485,724 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedSleeper TypeRaised Roof SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.47 ratioStock Number3523 MLS Number14124214CategorySleeper Semi Trucks Last Updated2/12/2026 LocationGRANGER, IA, US Sold ByBarr-Nunn Transportation LLC (855) 910-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt $46,950 USD Cummins Engine, N.A.P., Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every... ConditionUsedUsage456,527 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins X15Drivetrain6x4Transmission12 Speed Endurant AutomatedSleeper TypeRaised Roof SleeperSleeper Size76"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.64 ratioStock Number3609 MLS Number14124213CategorySleeper Semi Trucks Last Updated2/12/2026 LocationGRANGER, IA, US Sold ByBarr-Nunn Transportation LLC (855) 910-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 15 Photos View 0 Videos 2020 Peterbilt 389 Sleeper Semi Truck - Cummins 505HP, 13 Speed Automatic $147,750 USD Only 55,000 Original Miles ~ Cummins X15 ~ 505 HP ~ 13 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ All Aluminum Wheels ~ Only One Owner ~ Financing Available with Your Good... ConditionUsedUsage55,000 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power505 HPEngine ModelCummins X15Transmission13 Speed AutomaticSleeper TypeFlat Top SleeperRear AxleTandem AxleRear End46,000 lb 3.73 ratioStock Number723475 MLS Number14124101CategorySleeper Semi Trucks Last Updated2/14/2026 LocationOlive Branch, MS, US Sold ByTruck Market (844) 955-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 2020 Peterbilt 389 Sleeper Semi Truck - Cummins 505HP, 13 Speed Automatic $147,750 USD Only 50,000 Original Miles ~ Cummins X15 ~ 505 HP ~ 13 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ All Aluminum Wheels ~ Only One Owner ~ Financing Available with Your Good... ConditionUsedUsage50,000 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power505 HPEngine ModelCummins X15Transmission13 Speed AutomaticSleeper TypeFlat Top SleeperSuspensionAir TracRear AxleTandem AxleRear End46,000 lb 3.73 ratioStock Number723474 MLS Number14124100CategorySleeper Semi Trucks Last Updated2/12/2026 LocationOlive Branch, MS, US Sold ByTruck Market (844) 955-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 26 Photos View 0 Videos 2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic $69,500 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 395,657 miles, 400HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension,... ConditionUsedUsage395,658 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21261 MLS Number14014520CategorySleeper Semi Trucks Last Updated2/24/2026 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 $58,000 USD Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 495,953 miles, 400 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle.... ConditionUsedUsage495,954 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power400 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.28 ratioStock NumberEPES21239 MLS Number14014513CategorySleeper Semi Trucks Last Updated2/12/2026 LocationGreensboro, NC, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic Price Drop $47,500 USD Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 635,599 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 22,900 lbs... ConditionUsedUsage635,599 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number373498 MLS Number14140153CategorySleeper Semi Trucks Last Updated2/14/2026 LocationAmarillo, TX, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 23 Photos View 0 Videos 2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic $43,250 USD Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 646,137 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gal... ConditionUsedUsage646,141 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDD15ATTransmission12 Speed AutomaticSleeper TypeIntegral SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 3.08 ratioStock Number373463 MLS Number12838693CategorySleeper Semi Trucks Last Updated2/22/2026 LocationTampa, FL, US Sold ByPenske Used Trucks (855) 942-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 25 Photos View 4 Videos 2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual $59,950 USD 2022 International LT625 for sale! Loaded with Cummins Engine, 450hp, 10 Speed Manual Transmission, Sleeper windows, Single Bunk, Electric APU, aluminum/steel rims, and more! - LOW MILES... ConditionUsedUsage221,520 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power450 HPEngine ModelCummins ISXDrivetrain6x4Transmission10 Speed ManualSleeper TypeMid Roof SleeperSuspensionAir RideRear AxleTandem AxleRear End40,000 lbStock NumberMO11060 MLS Number14111281CategorySleeper Semi Trucks Last Updated2/17/2026 LocationKansas City, MO, US Sold ByMichelle Sells Trucks (844) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt $44,950 USD New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K... ConditionUsedUsage483,746 MilesDuty ClassHeavy Duty Sleeper Semi TruckHorse Power455 HPEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedSleeper TypeRaised Roof SleeperSleeper Size72"SuspensionAir RideRear AxleTandem AxleRear End40,000 lb 2.47 ratioStock Number3546 MLS Number14107223CategorySleeper Semi Trucks Last Updated2/12/2026 LocationGRANGER, IA, US Sold ByBarr-Nunn Transportation LLC (855) 910-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Rear AxleTandem AxleStock NumberKP8058 MLS Number14092813CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedUsage705,687 MilesDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedRear AxleTandem AxleStock NumberKP8086 MLS Number14080368CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedUsage658,413 MilesDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedRear AxleTandem AxleStock NumberKP8083 MLS Number14080367CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedUsage654,064 MilesDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedRear AxleTandem AxleStock NumberKP8071 MLS Number14080366CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedUsage675,499 MilesDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedRear AxleTandem AxleStock NumberKP8055 MLS Number14080365CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt Contact for price AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM ConditionUsedUsage647,442 MilesDuty ClassHeavy Duty Sleeper Semi TruckEngine ModelDetroit DD15Drivetrain6x4Transmission12 Speed Detroit DT12 AutomatedRear AxleTandem AxleStock NumberKP8053 MLS Number14080364CategorySleeper Semi Trucks Last Updated2/13/2026 LocationMonroe, GA, US Sold ByAAA Trucks LLC (844) 216-___ SHOWNUMBERCall Seller Email Seller Save More Info