Used Heavy Duty Freightliner Cascadia 126 Sleeper Semi Trucks For Sale

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

$45,000 USD

Condition	Used
Usage	535,170 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	20482
MLS Number	14598563
Category	Sleeper Semi Trucks
Last Updated	9/22/2026
Location	Carlisle, PA, US
Sold By	Schneider

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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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$66,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 556,651 miles, 450 HP Cummins X15 diesel engine, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	571,311 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	340998
MLS Number	14437252
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Enid, OK, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$68,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 523,245 miles, Cummins X15 engine with 450 HP, 13-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	554,902 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338648
MLS Number	14429685
Category	Sleeper Semi Trucks
Last Updated	9/17/2026
Location	Jackson, MS, US
Sold By	Penske Used Trucks

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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$52,900 USD

753,773 Miles, Detroit DD15, 455 HP, DT12 Auto, 229" WB, 2.85 Ratio, Aluminum Wheels, Fleet Maintained Unit, Double Bunk Sleeper, Power Windows/Locks/Mirrors,

Condition	Used
Usage	753,773 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	2.85 ratio
Stock Number	LV6926
MLS Number	14516825
Category	Sleeper Semi Trucks
Last Updated	9/15/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$75,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 530,969 miles, 475 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	530,969 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	421244
MLS Number	14594783
Category	Sleeper Semi Trucks
Last Updated	9/17/2026
Location	Akron, OH, US
Sold By	Penske Used Trucks

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

$92,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 381,164 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	398,810 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	EPES22138
MLS Number	14465142
Category	Sleeper Semi Trucks
Last Updated	9/17/2026
Location	Tyler, TX, US
Sold By	Penske Used Trucks

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

$77,250 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	9/23/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 435HP, 12 Speed Automatic

$67,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 483,738 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, single rear axle....

Condition	Used
Usage	483,738 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.08 ratio
Stock Number	371837
MLS Number	14575254
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Madison, AL, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

$80,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 299,152 miles, 450HP Cummins X15 engine, 13-speed Eaton automatic transmission, 72" integral sleeper, 22,500 lbs front axle,...

Condition	Used
Usage	300,394 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	338552
MLS Number	14561407
Category	Sleeper Semi Trucks
Last Updated	9/20/2026
Location	Everett, WA, US
Sold By	Penske Used Trucks

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

$57,700 USD

Full 128 Point Inspection, 559,891 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet Maintained, Dual Air...

Condition	Used
Usage	560,394 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5968
MLS Number	13916430
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$55,000 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	9/20/2026
Location	Everett, WA, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Condo Sleeper, 455HP, 12 Speed Automatic

$50,051 USD

Condition	Used
Usage	699,433 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	878864
MLS Number	14505619
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Knoxville, TN, US
Sold By	Ryder

(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 - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$81,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 459,744 MILES, APU, FLEET MAINTAINED , FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE...

Condition	Used
Usage	459,744 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
Rear End	40,000 lb
Stock Number	5044
MLS Number	14457439
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

$79,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 503,620 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	508,014 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	224417
MLS Number	14536854
Category	Sleeper Semi Trucks
Last Updated	9/12/2026
Location	Katy, TX, US
Sold By	Penske Used Trucks