12 Speed Sleeper Semi Trucks For Sale

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $47,750 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, air ride suspension....

Condition	Used
Usage	621,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 2.41 ratio
Stock Number	369120
MLS Number	13879370
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$54,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 379,614 miles, 450 HP DD13 diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, single rear axle,...

Condition	Used
Usage	379,617 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.08 ratio
Stock Number	374532
MLS Number	13584209
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Lexington, SC, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Recently Updated

$65,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 438,332 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem air ride...

Condition	Used
Usage	438,332 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	EPES21249
MLS Number	14014517
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Rockwall, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$46,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic transmission, tandem rear axle, air ride suspension. Come see...

Condition	Used
Usage	628,267 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	372504
MLS Number	14014375
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Pell City, AL, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$59,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension. Check...

Condition	Used
Usage	413,649 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	367379
MLS Number	14091800
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Windsor, WI, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$54,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 470,902 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	470,902 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	360419
MLS Number	14062514
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Anderson, SC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$39,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 658,953 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	658,953 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	360418
MLS Number	14062512
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Anderson, SC, US
Sold By	Penske Used Trucks

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$31,500 USD

Used 2020 International LT625 Sleeper Semi Truck with 450HP A26 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride suspension, 384,089...

Condition	Used
Usage	384,089 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	A26
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	357086
MLS Number	13794414
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Houston, TX, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$48,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 610,253 miles, 475HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	610,297 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354729
MLS Number	14014091
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$51,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 554,191 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	554,239 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354727
MLS Number	14014090
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$45,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 648,222 miles, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	648,222 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354726
MLS Number	14014089
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$34,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 793,004 miles, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	793,051 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354724
MLS Number	14014087
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$51,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 475 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	550,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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	354722
MLS Number	14014086
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Goldsboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$63,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 375,364 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	375,364 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 3.55 ratio
Stock Number	352781
MLS Number	14104544
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Evansville, IN, US
Sold By	Penske Used Trucks

(888) 758-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia Sleeper Semi Truck - Does Not Apply, 450HP, 12 Speed

Recently Updated

$74,250 USD

Condition	Used
Usage	376,798 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Rear End	40,000 lb 2.16 ratio
Stock Number	505306
MLS Number	13983674
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
NUMBERCall Seller

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$56,500 USD

Inspection Report

Condition	Used
Usage	395,993 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505454
MLS Number	14104541
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(855) 910-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$51,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	484,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3614
MLS Number	13885488
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 307-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

Recently Updated

$68,500 USD

Inspection Report

Condition	Used
Usage	255,380 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 3.08 ratio
Stock Number	502566
MLS Number	13646374
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Charlotte, NC, US
Sold By	International Motors, LLC

2019 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$53,250 USD

Used 2019 Volvo VNL64760 Sleeper Semi Truck for sale, 514,507 miles, 455HP D13 diesel engine, 12-speed Volvo automatic transmission, 70" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	514,590 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	282499
MLS Number	14104497
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Boaz, AL, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$43,250 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck, 564,098 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	564,098 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	268814
MLS Number	14104492
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Ladson, SC, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $46,000 USD

Used 2019 Freightliner Cascadia 116 Sleeper Semi Truck, 560,336 miles, 450HP DD13 diesel engine, 12-speed automatic Detroit transmission, 60" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	560,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
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	268895
MLS Number	14013534
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

2019 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 425HP, 12 Speed Automatic

Price Drop $42,250 USD

Used 2019 Volvo VNR64640 Sleeper Semi Truck for sale, 512,870 miles, 425HP D13 engine, 12-speed Volvo automatic transmission, 61" integral sleeper, tandem rear axle, air ride suspension,...

Condition	Used
Usage	512,870 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	268879
MLS Number	14091678
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Duluth, GA, US
Sold By	Penske Used Trucks

2019 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 425HP, 12 Speed Automatic

Price Drop $47,000 USD

Used 2019 Volvo VNR64640 Sleeper Semi Truck for sale, 425 HP D13 diesel engine, 12-speed automatic transmission, 61" integral sleeper, tandem rear axle, air ride suspension, 197" wheelbase,...

Condition	Used
Usage	412,753 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	268867
MLS Number	13629716
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

(833) 801-___ SHOW
NUMBERCall Seller

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

$27,000 USD

GOOD TRUCK, RUNS GREAT, VERY CLEAN, AIR SEATS, DOUBLE BUNK, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE! *LOW MILES!,

Condition	Used
Usage	433,281 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	20MX433T680
MLS Number	13788685
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales