Diesel Freightliner Cascadia 126 Sleeper Semi Trucks For Sale

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2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

$54,000 USD

Condition	Used
Usage	403,145 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20741
MLS Number	14598559
Category	Sleeper Semi Trucks
Last Updated	9/22/2026
Location	Carlisle, PA, US
Sold By	Schneider

(833) 781-___ SHOW
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2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

$72,000 USD

Condition	Used
Usage	265,020 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20480
MLS Number	14598558
Category	Sleeper Semi Trucks
Last Updated	9/30/2026
Location	Gary, IN, US
Sold By	Schneider

(844) 504-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 425HP

$82,900 USD

Condition	Used
Usage	448,099 Miles
Horse Power	425 HP
Engine Model	Detroit DD15
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Weight	52,350
Stock Number	598740
MLS Number	14597391
Category	Sleeper Semi Trucks
Last Updated	9/12/2026
Location	San Antonio, TX, US
Sold By	Doggett

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, 450HP, 12 Speed Dt12 Amt

$49,900 USD

2020 Freightliner Cascadia 126 — 72" mid-roof sleeper. Fleet-maintained single-owner linehaul tractor. Detroit DD13 12.8L 450 HP with DT12 12-speed automated (AMT) transmission and a 2.85...

Condition	Used
Usage	15,428 Hours
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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	RR35-LC8368
MLS Number	14571831
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, 450HP, 12 Speed Dt12 Amt

$49,500 USD

2020 Freightliner Cascadia 126 — 72" mid-roof sleeper. Fleet-maintained single-owner linehaul tractor. Detroit DD13 12.8L 450 HP with DT12 12-speed automated (AMT) transmission and a 2.85...

Condition	Used
Usage	504,209 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	RR35-LC8367
MLS Number	14571830
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, 450HP, 12 Speed Dt12 Amt

$50,800 USD

2020 Freightliner Cascadia 126 — 72" mid-roof sleeper. Fleet-maintained single-owner linehaul tractor. Detroit DD13 12.8L 450 HP with DT12 12-speed automated (AMT) transmission and a 2.85...

Condition	Used
Usage	21,110 Hours
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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	RR35-LC8355
MLS Number	14571829
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, 450HP, 12 Speed Dt12 Amt

$52,200 USD

2020 Freightliner Cascadia 126 — 72" mid-roof sleeper. Fleet-maintained single-owner linehaul tractor. Detroit DD13 12.8L 450 HP with DT12 12-speed automated (AMT) transmission and a 2.85...

Condition	Used
Usage	17,203 Hours
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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	RR35-LC8353
MLS Number	14571828
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 241-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$82,995 USD

2023 Freightliner Cascadia 126 Sleeper -- Detroit Diesel -- DT12 Overdrive* Detroit DD15 14.8L -- 425 HP* DT12 Overdrive Automated Manual Transmission* 200-Gallon Fuel Capacity* 12,350 lb...

Condition	Used
Usage	441,965 Miles
Horse Power	425 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	PLUE6708
MLS Number	14547926
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 12 Speed Automatic

$76,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 476,223 miles, 450HP DD13 diesel engine, 12-speed Allison automatic transmission, 48" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	476,224 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	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	378564
MLS Number	14546674
Category	Sleeper Semi Trucks
Last Updated	10/3/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$40,100 USD

Rep Photo - Photos and video coming, 743,000, Detroit DD13, 470HP, DT12 Auto,

Condition	Used
Usage	743,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MC2480
MLS Number	14347157
Category	Sleeper Semi Trucks
Last Updated	9/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$55,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 594,576 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72\" integral sleeper, tandem rear axle,...

Condition	Used
Usage	594,576 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	324990
MLS Number	14594482
Category	Sleeper Semi Trucks
Last Updated	9/24/2026
Location	Everett, WA, US
Sold By	Penske Used Trucks

(855) 807-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$79,500 USD

CLEAN FLEET MAINTAINED 2023 FREIGHTLINER CASCADIA 126 SLEEPER, DETROIT DD15, 455HP, DETROIT DT12 TRANSMISSION, DOUBLE BUNK, INVERTER, REFRIGERTOR, 2.85 RATIOS, GVWR 52,500 LBS, JAKES,...

Condition	Used
Usage	480,035 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 2.85 ratio
Stock Number	7343
MLS Number	14592312
Category	Sleeper Semi Trucks
Last Updated	9/10/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(888) 564-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 425HP, Amt

$88,995 USD

Coming Soon! Call for More Info!, FLEET MAINTAINED; CLEAN CARFAX; ONE OWNER; CARB COMPLIANT; 2023 Freightliner Cascadia 126 Sleeper Truck; Detroit DD15 Engine; Detroit Automated; Aluminum...

Condition	Used
Usage	380,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	GL-0001
MLS Number	14565750
Category	Sleeper Semi Trucks
Last Updated	9/12/2026
Location	Caddo Mills, TX, US
Sold By	Roy's Trucks and Equipment Inc

(833) 538-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$34,900 USD

683227 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheels:...

Condition	Used
Usage	683,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 2.47 ratio
MLS Number	14592176
Category	Sleeper Semi Trucks
Last Updated	9/9/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(866) 530-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$74,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 447,432 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE...

Condition	Used
Usage	447,432 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	7078
MLS Number	14503114
Category	Sleeper Semi Trucks
Last Updated	9/9/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP, 12 Speed Dt12 Amt

$89,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 367,377 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO...

Condition	Used
Usage	367,377 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1990
MLS Number	14422079
Category	Sleeper Semi Trucks
Last Updated	9/9/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$73,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 549,906 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	562,436 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	385088
MLS Number	14514380
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

$82,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 463,339 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	464,340 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 2.16 ratio
Stock Number	456395
MLS Number	14573506
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Louisville, KY, US
Sold By	Penske Used Trucks

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

$59,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 713,070 miles, 450HP DD13 diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	713,070 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	UPP236570
MLS Number	14589616
Category	Sleeper Semi Trucks
Last Updated	9/6/2026
Location	Columbus, OH, US
Sold By	Penske Used Trucks

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

$72,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 260-gallon fuel...

Condition	Used
Usage	579,050 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	438128
MLS Number	14589599
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Gahanna, OH, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

$66,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 617,310 miles, 475HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	617,310 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	454315
MLS Number	14589598
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

$87,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 475 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	373,361 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 3.08 ratio
Stock Number	421242
MLS Number	14589584
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Rochester, NY, US
Sold By	Penske Used Trucks

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 13 Speed Manual

$92,900 USD

13 SPD MANUAL, Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/550,000 EW4 Coverage. In Service: 8/19/2022,

Condition	Used
Usage	11,325 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	1766
MLS Number	14571598
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 13 Speed Manual

$89,900 USD

13 SPD MANUAL, Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/550,000 EW4 Coverage. In Service: 8/19/2022,

Condition	Used
Usage	10,647 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	1765
MLS Number	14571595
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales