Freightliner 12 Speed Sleeper Semi Trucks For Sale

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13 0

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

$35,995 USD

Condition	Used
Usage	759,334 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	881899
MLS Number	13737225
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	O'fallon, MO, US
Sold By	Ryder

23 0

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$65,250 USD

Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck, 544,941 miles, 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	544,941 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 2.85 ratio
Stock Number	212911
MLS Number	13907462
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	West Fargo, ND, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$82,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 319,327 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	319,327 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 2.85 ratio
Stock Number	466633
MLS Number	13907426
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

23 0

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

$66,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 508,438 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	508,438 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	438514
MLS Number	13907375
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Moberly, MO, US
Sold By	Penske Used Trucks

23 0

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

$77,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 433,501 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	433,501 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	419327
MLS Number	13907374
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Austin, TX, US
Sold By	Penske Used Trucks

23 0

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

$68,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 473,370 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	473,370 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 2.85 ratio
Stock Number	411457
MLS Number	13907368
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

22 0

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

Price Drop

$52,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 605,894 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	605,894 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	394752
MLS Number	13907294
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Houston, TX, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$52,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 590,302 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	590,302 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	385478
MLS Number	13907159
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Orlando, FL, US
Sold By	Penske Used Trucks

28 0

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

$50,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 593,072 miles, 72" integral sleeper, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, air...

Condition	Used
Usage	593,072 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	344942
MLS Number	13574275
Category	Sleeper Semi Trucks
Last Updated	12/10/2025
Location	Colorado Springs, CO, US
Sold By	Penske Used Trucks

23 0

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

$47,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 590,260 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	590,260 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	334503
MLS Number	13601842
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Birmingham, AL, US
Sold By	Penske Used Trucks

23 0

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

$38,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 708,524 miles, 505HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	708,524 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	359866
MLS Number	13907130
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

23 0

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

$33,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 805,355 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	805,355 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	356793
MLS Number	13907128
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

24 0

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

$68,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 395,644 miles, 455 HP DD15AT diesel engine, 60" integral sleeper, 12-speed automatic transmission, heavy-duty tandem rear...

Condition	Used
Usage	395,644 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	352261
MLS Number	13827307
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	West Columbia, SC, US
Sold By	Penske Used Trucks

25 0

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

Price Drop

$67,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 352,120 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	352,120 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 3.42 ratio
Stock Number	285399
MLS Number	13907117
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Houston, TX, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
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17 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

$50,628 USD

Condition	Used
Usage	625,329 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	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	268705
MLS Number	13906567
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Birmingham, AL, US
Sold By	Ryder

23 0

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

Price Drop

$68,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 497,720 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission. Book a walkaround.

Condition	Used
Usage	497,720 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	421821
MLS Number	13850715
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	West Sacramento, CA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$60,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 509,424 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	509,424 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 2.85 ratio
Stock Number	416119
MLS Number	13905683
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	South Bend, IN, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$70,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 396,612 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	396,612 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	394283
MLS Number	13905649
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

26 0

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

$60,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 567,508 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	567,508 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	394072
MLS Number	13905647
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Duncansville, PA, US
Sold By	Penske Used Trucks

22 0

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

$56,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 655,481 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	656,481 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	385341
MLS Number	13905603
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

23 0

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

$70,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 435,334 miles, 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	435,334 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	380757
MLS Number	13905597
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	West Valley City, UT, US
Sold By	Penske Used Trucks

23 0

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

$49,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 604,561 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	604,561 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	344882
MLS Number	13876815
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Garden City, GA, US
Sold By	Penske Used Trucks

21 0

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

$52,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 558,440 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	558,440 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	334519
MLS Number	13867961
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Gainesville, GA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$49,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 626,553 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	626,553 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	334415
MLS Number	13905591
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Atlanta, GA, US
Sold By	Penske Used Trucks