Used 12 Speed Sleeper Semi Trucks For Sale

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 505HP, 12 Speed Automatic

$53,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 609,997 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	612,819 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	361412
MLS Number	14014210
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

28 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$66,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 539,787 miles, 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission. Don't miss this...

Condition	Used
Usage	539,787 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	281812
MLS Number	14040601
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Portland, OR, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
NUMBERCall Seller

13 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

$71,610 USD

Condition	Used
Usage	425,716 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15 GHG'17 505/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	806050
MLS Number	13959029
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Commerce City, CO, US
Sold By	Ryder

(855) 489-___ SHOW
NUMBERCall Seller

46 0

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), X15 Cummins 500HP/1850Tq, Carrier APU, Espar, Fridge, Refrigerator, 12 speed Endurant...

Condition	Used
Usage	483,065 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	2138
MLS Number	13881104
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
NUMBERCall Seller

26 0

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$54,000 USD

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), X15 Cummins 500HP/1850Tq,, Endurant 12 speed automated transmission, Carrier APU, Espar,...

Condition	Used
Usage	507,075 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.78 ratio
Stock Number	2137
MLS Number	13822651
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(833) 490-___ SHOW
NUMBERCall Seller

14 0

2023 Freightliner Cascadia 126 Sleeper, New Drive Tires, FACTORY WARRANTY REMAINING , Cummins X15 Engine , 500HP !!! Fridge , Apu , Financing

$62,950 USD

For sale: a powerhouse 2023 Freightliner Cascadia with just 488,000 well-maintained miles, ready to tackle your heaviest hauls! Powered by the legendary Cummins X15 500HP engine paired with...

Warranty

Condition	Used
Usage	488,847 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	UUG1661
MLS Number	13999600
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(844) 955-___ SHOW
NUMBERCall Seller

Tri State Truck Center - Springfield, MO

15 0

2024 Peterbilt 579 Sleeper Semi Truck - Cummins 500HP, 12 Speed Automatic

$112,750 USD

Only 195,000 Original Miles ~ Cummins X15 ~ 500 HP ~ 12 Speed Automatic ~ Only One Owner ~ Cummins Warranty through 3/13/26 or 250K miles ~ Financing Available with Your Good Credit,

Condition	Used
Usage	195,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	837309
MLS Number	13679862
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$50,500 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 502,371 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	502,376 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	219890
MLS Number	13867501
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Prince George, VA, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
NUMBERCall Seller

11 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

$57,689 USD

Condition	Used
Usage	684,818 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15 GHG'17 505/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	292327
MLS Number	14020796
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Beltsville, MD, US
Sold By	Ryder

(724) 704-___ SHOW
NUMBERCall Seller

11 0

2023 Peterbilt 567 Sleeper Semi Truck - 58" Raised Roof Sleeper, Paccar 510HP, 12 Speed Amt

$89,900 USD

MULTIPLE UNITS,

Condition	Used
Usage	208,774 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	58"
Suspension	Pete Low Air Leaf
Rear End	40,000 lb 3.25 ratio
Stock Number	250971
MLS Number	13788616
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(724) 704-___ SHOW
NUMBERCall Seller

10 0

2023 Peterbilt 567 Sleeper Semi Truck - 58" Raised Roof Sleeper, Paccar 510HP, 12 Speed Amt

$89,900 USD

58" SLPR, MULTIPLE UNITS TO PICK FROM,

Condition	Used
Usage	245,333 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	58"
Suspension	Pete Low Air Leaf
Rear End	40,000 lb 3.25 ratio
Stock Number	250974
MLS Number	13743863
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(833) 932-___ SHOW
NUMBERCall Seller

12 0

2016 Mack Pinnacle CXU613 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed I Shift Automatic

$34,500 USD

750458 Miles, Engine: DETROIT DD13, 505 HP, 12 Speed I Shift Automatic Transmission, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Wheels: Aluminum, Rear Axle Weight: 40000 lb

Condition	Used
Usage	750,458 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD13
Transmission	12 Speed I Shift Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear End	40,000 lb
Stock Number	83659
MLS Number	13730226
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Bangor, ME, US
Sold By	Freightliner of Maine

22 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$50,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, and 240-gallon fuel...

Condition	Used
Usage	558,534 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	718442
MLS Number	13797147
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Holland, MI, US
Sold By	Penske Used Trucks

23 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$63,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 491,895 miles, 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	491,921 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	457242
MLS Number	13850860
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Sturtevant, WI, US
Sold By	Penske Used Trucks

23 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$72,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 451,865 miles, 72" integral sleeper, 505HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	451,866 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	457240
MLS Number	13907412
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Allentown, PA, US
Sold By	Penske Used Trucks

22 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$59,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 539,325 miles, 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 13,300 lb front axle,...

Condition	Used
Usage	539,326 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	457239
MLS Number	13899952
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Tallahassee, FL, US
Sold By	Penske Used Trucks

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$53,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 616,233 miles, 505 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	616,236 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	406817
MLS Number	13574674
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Fontana, CA, US
Sold By	Penske Used Trucks

17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$56,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 446,224 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	446,224 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	262687
MLS Number	14014966
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Perrysburg, OH, US
Sold By	Penske Used Trucks

28 0

2021 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$43,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, and 250-gallon fuel...

Condition	Used
Usage	708,528 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	379735
MLS Number	12397129
Category	Sleeper Semi Trucks
Last Updated	12/4/2025
Location	New Castle, DE, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$45,750 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 586,061 miles, 72" integral sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	586,061 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	289368
MLS Number	14013874
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Montgomery, NY, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$73,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 60" Integral Sleeper, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	307,415 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	282374
MLS Number	14013663
Category	Sleeper Semi Trucks
Last Updated	1/2/2026
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$78,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 420,214 miles, 505 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	420,214 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	280832
MLS Number	14013634
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Tacoma, WA, US
Sold By	Penske Used Trucks

25 0

2020 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 500HP, 12 Speed Automatic

$43,000 USD

Used 2020 Volvo VNR64640 Sleeper Semi Truck for sale, 696,933 miles, 500 HP D13 diesel engine, 12-speed automatic Volvo transmission, 61" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	696,933 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.42 ratio
Stock Number	268499
MLS Number	14013613
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Fredonia, NY, US
Sold By	Penske Used Trucks

(844) 216-___ SHOW
NUMBERCall Seller

28 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$41,000 USD

Several Available! Super Clean Units!, 586,814 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB, Disc Brakes,...

Condition	Used
Usage	586,814 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3601
MLS Number	13712709
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC