Blue 12 Speed Sleeper Semi Trucks For Sale by Dealerships

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2022 Peterbilt 579 Sleeper Semi Truck

$79,900 USD

2022 Peterbilt 579 – Road Ready and Fleet Friendly! Stock1272928, Looking for late-model trucks that are driver-preferred and ready to roll? Check out our 2022 Peterbilt 579 units, built...

Quantity	6
Condition	Used
Usage	424,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Unibilt
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1272928
MLS Number	13503970
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

18 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Newly Listed

$54,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	602,155 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	376
MLS Number	13720920
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

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33 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Newly Listed

$32,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel!,

Condition	Used
Usage	488,958 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 2.64 ratio
Stock Number	21MX488T680
MLS Number	13720449
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

25 0

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

Price Drop

$53,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	696,801 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	364261
MLS Number	13431202
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

24 0

2021 Volvo VNR64640 Sleeper Semi Truck - 61" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$61,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	461,310 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	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	11576
MLS Number	13717512
Category	Sleeper Semi Trucks
Last Updated	7/23/2025
Location	Houston, TX, US
Sold By	Penske Used Trucks

(855) 591-___ SHOW
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35 0

2023 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Newly Listed

$99,900 USD

2023 Kenworth T680 Next Gen – 1 Owner, Fleet Maintained Unit with LOW MILES! BRAND NEW TURBO, SCR AND DOC! BIG WARRANTY REMAINING! 5 Year/500k Mile Paccar Premium Engine Warranty...

Condition	Used
Usage	189,010 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	225613
MLS Number	13717046
Category	Sleeper Semi Trucks
Last Updated	7/23/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

23 0

2020 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$70,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	475,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13 TC
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	351916
MLS Number	13716900
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Montgomery, AL, US
Sold By	Penske Used Trucks

37 2

2019 Peterbilt 579 Sleeper Semi Truck - Cummins 450HP, Automatic

Recently Updated

$39,900 USD

80 Inch Ultra-Loft Sleeper, Upper Bunk, 591,000 Approximate Miles,, ECM Reads 591,000 Miles, Cummins X15 Engine, 450 H.P Engine Brakes, EEO-18F112C12 Transmission, (Automatic), 40,000 Lb....

Condition	Used
Usage	591,500 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 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	38,000 lb 2.79 ratio
Stock Number	633380
MLS Number	13586583
Category	Sleeper Semi Trucks
Last Updated	7/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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9 1

2022 Peterbilt 579 Sleeper Semi Truck

Newly Listed

Call for price

2022 Peterbilt 579 – Cummins X15 – Endurant 12-Speed – Thermo King APU – Only 368K Miles Stock #: 1286240 | Call or Text: 678.466.9231 This well-maintained 2022 Peterbilt 579 is ready to hit...

Quantity	10
Condition	Used
Usage	363,338 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins x15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	UltraLoft
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1286240
MLS Number	13715267
Category	Sleeper Semi Trucks
Last Updated	7/22/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

(833) 781-___ SHOW
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19 0

2022 Volvo VNL760 Semi Truck - 70" Raised Roof Double Bunk Sleeper w/ Lounge, D13, Automatic, Battery Powered HVAC with Optimized Idle

Recently Updated

$98,200 USD

Condition	Used
Usage	319,953 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	74398
MLS Number	13573833
Category	Sleeper Semi Trucks
Last Updated	7/22/2025
Location	Charlotte, NC, US
Sold By	Schneider

17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Newly Listed

$54,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	597,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	378
MLS Number	13714260
Category	Sleeper Semi Trucks
Last Updated	7/22/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

19 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Newly Listed

$54,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	612,241 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	377
MLS Number	13714157
Category	Sleeper Semi Trucks
Last Updated	7/22/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

19 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$54,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	583,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	369
MLS Number	13699281
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

14 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$54,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	655,041 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	372
MLS Number	13696387
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

18 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$54,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	586,901 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	373
MLS Number	13693427
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

4 0

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

Newly Listed

$37,900 USD

76 Inch High-Roof Sleeper, Upper Bunk, 607,000 Approximate Miles, ECM Reads 607,000 Miles, PACCAR MX-13 Engine, 455 H.P., PO16F112C Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.79...

Condition	Used
Usage	607,000 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	317541
MLS Number	13712694
Category	Sleeper Semi Trucks
Last Updated	7/20/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

4 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

Newly Listed

$54,500 USD

72 Inch Raised Roof Sleeper, Upper Bunk, 572,000 Approximate Miles, ECM Reads 572,000 Miles, Detroit DD15 Engine, 400 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear Ends...

Condition	Used
Usage	572,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	LH5106
MLS Number	13712690
Category	Sleeper Semi Trucks
Last Updated	7/20/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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6 0

2016 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$12,000 USD

good truck, runs great, clean, dual air ride seats, power windows, power door locks, power mirrors, smart wheel, cruise, differential lock, A/S 5th, VERY NICE ONE OWNER TRUCK,

Condition	Used
Usage	1,533,321 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	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	16DET153CAS
MLS Number	11513748
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

23 0

2019 Kenworth T680 Sleeper Semi Truck - Integral Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$45,500 USD

MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing;...

Condition	Used
Usage	461,606 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	0"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	702740
MLS Number	12354677
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Akron, OH, US
Sold By	Penske Used Trucks

23 0

2021 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 425HP, 12 Speed Automatic

Recently Updated

$85,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	422,511 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13 TC
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	372851
MLS Number	13668536
Category	Sleeper Semi Trucks
Last Updated	7/23/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

26 1

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 12 Speed Dt12 Amt

Recently Updated

$36,500 USD

696,700 Miles, Detroit DD15, DT12 Automated,

Condition	Used
Usage	696,700 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 3.08 ratio
Stock Number	KA5264
MLS Number	13644782
Category	Sleeper Semi Trucks
Last Updated	7/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

23 0

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

Price Drop

$37,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	676,259 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	206218
MLS Number	13651349
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

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15 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$67,359 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	516,812 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	562366
MLS Number	13681565
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Minneapolis, MN, US
Sold By	Ryder

(844) 385-___ SHOW
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9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

Price Drop

$48,851 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	657,579 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	871013
MLS Number	13609629
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Indianapolis, IN, US
Sold By	Ryder