12 Speed Sleeper Semi Trucks with Air Ride Suspension For Sale by Dealerships

Featured Item

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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$44,950 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	567,537 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
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	346
MLS Number	13542957
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$36,500 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	670,003 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 3.08 ratio
Stock Number	344
MLS Number	13542058
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

19 0

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

$34,950 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	665,832 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 3.08 ratio
Stock Number	342
MLS Number	13523794
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

19 0

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

$37,500 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	625,682 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 3.08 ratio
Stock Number	336
MLS Number	13483776
Category	Sleeper Semi Trucks
Last Updated	7/27/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(855) 910-___ SHOW
NUMBERCall Seller

Featured Item

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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	7/19/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

Featured Item

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

Price Drop

$59,776 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	528,485 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	871215
MLS Number	13615546
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Indianapolis, IN, US
Sold By	Ryder

Featured Item

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 475HP, 12 Speed Automatic

Price Drop

$58,774 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	548,514 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	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	250625
MLS Number	13596432
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Birmingham, AL, US
Sold By	Ryder

Featured Item

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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 50" Mid Roof Sleeper, 455HP, 12 Speed Automatic

$55,034 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	513,326 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	Mid Roof Sleeper
Sleeper Size	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	864220
MLS Number	13596488
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Taylor, MI, US
Sold By	Ryder

Featured Item

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

Price Drop

$51,064 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	632,856 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	871217
MLS Number	13596492
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Indianapolis, IN, US
Sold By	Ryder

Featured Item

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2020 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Condo Sleeper, 12 Speed Automatic

Price Drop

$47,583 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	601,795 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	880428
MLS Number	13623577
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Greensboro, NC, US
Sold By	Ryder

(844) 624-___ SHOW
NUMBERCall Seller

Featured Item

34 1

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$54,950 USD

This BEAUTIFUL 2023 PETERBILT 579 is ready to hit the road! It comes with a Paccar MX-13 455 HP, Automatic 12 speed transmission Endurant, heated mirrors, full fairings, Air ride seats, dual...

Condition	Used
Usage	10,963 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
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	MO10195
MLS Number	13486439
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(855) 981-___ SHOW
NUMBERCall Seller

Featured Item

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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

(855) 981-___ SHOW
NUMBERCall Seller

Featured Item

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

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

Newly Listed

$57,213 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	598,320 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
Stock Number	878465
MLS Number	13732279
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Greenville, SC, US
Sold By	Ryder

15 0

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

Newly Listed

$50,100 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	616,928 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	2.85 ratio
Stock Number	274001
MLS Number	13732256
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Commerce City, CO, US
Sold By	Ryder

11 0

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

Newly Listed

$56,199 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	580,023 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	272668
MLS Number	13732252
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Knoxville, TN, US
Sold By	Ryder

14 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" 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	443,502 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	805911
MLS Number	13732234
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Minneapolis, MN, US
Sold By	Ryder

13 0

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

Newly Listed

$55,472 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	623,054 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	899613
MLS Number	13732231
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Converse, TX, US
Sold By	Ryder

10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$56,455 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	534,905 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	898493
MLS Number	13732226
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Dallas, TX, US
Sold By	Ryder

13 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$72,520 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	495,927 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	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	239987
MLS Number	13732222
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Converse, TX, US
Sold By	Ryder

10 0

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

Newly Listed

$72,117 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	197,477 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	806019
MLS Number	13732210
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Bolingbrook, IL, US
Sold By	Ryder

14 0

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

Newly Listed

$57,509 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	675,903 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	548999
MLS Number	13732204
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Commerce City, CO, US
Sold By	Ryder

9 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

Price Drop

$57,367 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	654,020 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	572166
MLS Number	13685589
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Miami, FL, US
Sold By	Ryder

9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

Price Drop

$48,716 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	651,618 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	840586
MLS Number	13681568
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Atlanta, GA, US
Sold By	Ryder