12 Speed Sleeper Semi Trucks For Sale by Dealerships

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Featured Item

27 1

2022 Peterbilt 579 Sleeper Semi Truck

Price Drop

$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

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10 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$47,950 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...

Condition	Used
Usage	497,935 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	3322
MLS Number	13562304
Category	Sleeper Semi Trucks
Last Updated	7/2/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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10 0

2023 Volvo VNL64T760 Sleeper Semi Truck - 70" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Amt

$95,000 USD

2023 Volvo VNL64T760, SPECS: - Drive: 6x4, - 70" High Roof, - Double Bunk, - Engine: D13, - Horsepower: 425, - Transmission: VOLVO I-SHIFT ATO2612F, 12 SPEED, - APU: None, - Wheels:...

Condition	Used
Usage	315,541 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 1.27 ratio
Stock Number	NHSA23VNL6DTX Web
MLS Number	13651909
Category	Sleeper Semi Trucks
Last Updated	7/15/2025
Location	Dallas, TX, US
Sold By	Nationwide Haul

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8 0

2023 Volvo VNL64T760 Sleeper Semi Truck - 70" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Amt

$90,000 USD

2023 Volvo VNL64T760, SPECS: - Drive: 6x4, - 70" High Roof, - Double Bunk, - Engine: D13, - Horsepower: 425, - Transmission: VOLVO I-SHIFT ATO2612F, 12 SPEED, - APU: None, - Wheels:...

Condition	Used
Usage	399,760 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 1.27 ratio
Stock Number	NHSA23VNL3CNC Web
MLS Number	13651902
Category	Sleeper Semi Trucks
Last Updated	7/15/2025
Location	Charlotte, NC, US
Sold By	Nationwide Haul

13 0

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

Newly Listed

$64,200 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	486,056 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
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	805926
MLS Number	13710787
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	O'fallon, MO, US
Sold By	Ryder

13 0

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$42,461 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	695,798 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15 GHG'17 400/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	877565
MLS Number	13710778
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Clarksville, IN, US
Sold By	Ryder

10 0

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

Newly Listed

$57,819 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	567,628 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	832603
MLS Number	13710763
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Dallas, TX, US
Sold By	Ryder

13 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$46,693 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	699,148 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	245247
MLS Number	13710752
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Converse, TX, US
Sold By	Ryder

11 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$68,522 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	512,706 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15'14 400/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	240020
MLS Number	13710750
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Knoxville, TN, US
Sold By	Ryder

10 0

2020 Volvo VNR64T-640 Sleeper Semi Truck - 60" Mid Roof Sleeper, 425HP, 12 Speed Automatic

Newly Listed

$40,427 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	696,224 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	D13'17 425/2100
Transmission	12 Speed
Sleeper Type	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	243514
MLS Number	13710744
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Dallas, TX, US
Sold By	Ryder

16 0

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

Newly Listed

$32,770 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	797,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
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	873787
MLS Number	13710742
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Commerce City, CO, US
Sold By	Ryder

14 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 12 Speed Automatic

Newly Listed

$58,698 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	590,046 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	DD15 GHG'17 455/1650
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	874406
MLS Number	13710738
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Wayland, MI, US
Sold By	Ryder

9 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 475HP, 12 Speed Automatic

Newly Listed

$57,069 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	602,019 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15 GHG'17 475/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	298013
MLS Number	13710730
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Bolingbrook, IL, US
Sold By	Ryder

17 0

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

Newly Listed

$60,200 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	483,633 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
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	275103
MLS Number	13710725
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Commerce City, CO, US
Sold By	Ryder

14 0

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 73" Condo Sleeper, 12 Speed Automatic

Recently Updated

$53,062 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	502,755 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	223197
MLS Number	13493714
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	La Vergne, TN, US
Sold By	Ryder

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

25 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$93,250 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	318,663 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	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	182763
MLS Number	13582434
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$84,750 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	349,406 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	224441
MLS Number	13582432
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Lawrence, MA, US
Sold By	Penske Used Trucks

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$91,000 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	396,476 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	224427
MLS Number	13582420
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

23 0

2023 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$112,000 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	247,271 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	466320
MLS Number	13512553
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Garland, TX, US
Sold By	Penske Used Trucks

28 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Price Drop

$78,500 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	503,792 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 2.85 ratio
Stock Number	461962
MLS Number	13510408
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Hazelwood, MO, US
Sold By	Penske Used Trucks

22 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$83,000 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	387,396 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	460697
MLS Number	13669045
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Indianapolis, IN, US
Sold By	Penske Used Trucks

23 0

2022 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$100,500 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	299,332 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	448510
MLS Number	13645058
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	Lincoln, ND, US
Sold By	Penske Used Trucks

25 0

2022 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$88,000 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	469,743 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	447372
MLS Number	13389408
Category	Sleeper Semi Trucks
Last Updated	7/18/2025
Location	El Paso, TX, US
Sold By	Penske Used Trucks