Used Freightliner 12 Speed Cascadia 126 Sleeper Semi Trucks For Sale

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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

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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

$78,500 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	9/24/2026
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

$79,250 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	9/24/2026
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

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

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 90" Condo Sleeper, 455HP, 12 Speed Automatic

$51,433 USD

Condition	Used
Usage	695,184 Miles
Duty Class	Light 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	90"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	884739
MLS Number	14517379
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	La Vergne, TN, US
Sold By	Ryder

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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

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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

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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

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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

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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

$81,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 456,838 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	485,715 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	394062
MLS Number	13549073
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

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

$73,250 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	9/18/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

$83,000 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	9/24/2026
Location	Louisville, KY, 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 for sale, 465,833 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	473,150 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	394018
MLS Number	14487416
Category	Sleeper Semi Trucks
Last Updated	9/16/2026
Location	Tampa, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$63,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 538,687 miles, 505HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	600,074 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	369888
MLS Number	14248241
Category	Sleeper Semi Trucks
Last Updated	9/17/2026
Location	Houston, TX, 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	9/24/2026
Location	Gahanna, OH, US
Sold By	Penske Used Trucks

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

$68,750 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	9/24/2026
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

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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 90" Condo Sleeper, 455HP, 12 Speed Automatic

$54,759 USD

Condition	Used
Usage	680,457 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	90"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	547389
MLS Number	14588938
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	La Vergne, TN, US
Sold By	Ryder