Freightliner 12 Speed Sleeper Semi Trucks For Sale in United States

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

$54,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 220 gal...

Condition	Used
Usage	562,411 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	464140
MLS Number	13680275
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Neenah, WI, US
Sold By	Penske Used Trucks

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

$57,750 USD

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

Condition	Used
Usage	502,012 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	EPES21067
MLS Number	13694071
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

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

$48,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper for sale. Features 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air...

Condition	Used
Usage	499,859 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 2.27 ratio
Stock Number	718170
MLS Number	13683804
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, 455HP, 12 Speed Automatic

Price Drop $50,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 572,430 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	572,430 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	351774
MLS Number	13677448
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Houston, MS, US
Sold By	Penske Used Trucks

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

Price Drop $48,500 USD

Condition	Used
Usage	571,800 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	EPES21095
MLS Number	13674542
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kennesaw, GA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $56,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 271,550 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	271,550 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	254273
MLS Number	13662312
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Hammond, LA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $35,250 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 590,746 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	590,746 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 2.27 ratio
Stock Number	718203
MLS Number	13657773
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Chester, VA, US
Sold By	Penske Used Trucks

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

$34,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 785,761 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	785,761 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	307788
MLS Number	13649453
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	423,375 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5889
MLS Number	12686087
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅, Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	418,130 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5768
MLS Number	12686085
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!! David, Ana,

Condition	Used
Usage	412,678 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5973
MLS Number	12686030
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	407,410 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5959
MLS Number	12686029
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Camera System Active for side mirrors ✅, Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!,...

Condition	Used
Usage	401,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP6503
MLS Number	12685993
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$36,250 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gal fuel capacity....

Condition	Used
Usage	670,457 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	718254
MLS Number	13630903
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	De Pere, WI, US
Sold By	Penske Used Trucks

(909) 202-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$99,800 USD

Nice Fleet owned Truck, Brand new American Virgin Tires, Fully serviced, EW4 Warranty In house finance on A.O.C, Outside lenders, First time Buyer Program Hablo Español,

Condition	Used
Usage	299,889 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Stock Number	1999
MLS Number	13607447
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Stockton, CA, US
Sold By	TCI Transportation

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

$62,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 425,550 miles, 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	425,550 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	385499
MLS Number	13607065
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Londonderry, NH, US
Sold By	Penske Used Trucks

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

$54,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension, tandem rear axle, 220...

Condition	Used
Usage	509,096 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	394082
MLS Number	13603822
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$35,500 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck, 72" integral sleeper, 505 HP DD15 diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	634,084 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	703169
MLS Number	12366253
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Grand Rapids, MI, US
Sold By	Penske Used Trucks

(909) 202-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP

$79,900 USD

Nice Sleeper truck, Fully serviced, DOT Certified, EW4 warranty Brand New American Tires Hablo Español, Financing options are available

Condition	Used
Usage	443,889 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Stock Number	2622
MLS Number	13459154
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Stockton, CA, US
Sold By	TCI Transportation

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop $40,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 531,653 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	531,653 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	718253
MLS Number	13582549
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Integral Sleeper

Price Drop $40,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 521,750 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 72-inch integral sleeper....

Condition	Used
Usage	521,750 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 2.27 ratio
Stock Number	718171
MLS Number	13562940
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Charlotte, NC, US
Sold By	Penske Used Trucks

(833) 801-___ SHOW
NUMBERCall Seller

2018 Freightliner Cascadia 113 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$20,000 USD

nice truck, runs great, very clean, double bunk, power mirrors, heated mirrors, power door locks, power windows, dual air ride seats, differential lock, dump valve, A/S 5th,

Condition	Used
Usage	800,945 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	18DET800CAS
MLS Number	11648785
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$11,000 USD

nice truck, runs great, clean, air seats, double bunk, differential lock, dump valve, A/S 5th, cruise, smart wheel, power windows, power mirrors,,

Condition	Used
Usage	1,000,813 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 3.08 ratio
Stock Number	15DET100CAS
MLS Number	12656928
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$18,000 USD

good truck, runs great, fleet maintained, air seat, double bunk, dual air ride seats, differential lock, dump valve, A/S 5th, power windows, power mirrors, tilt/tele, heated mirrors,,

Condition	Used
Usage	856,499 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
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 3.08 ratio
Stock Number	18DET856CAS
MLS Number	11989767
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales