2021 Freightliner Cascadia Sleeper Semi Trucks For Sale

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$72,995 USD

FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS WELCOME, NATIONWIDE DELIVERY AVAILABLE...

Condition	Used
Usage	447,000 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	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$77,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 358,919 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	381,416 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 3.23 ratio
Stock Number	385904
MLS Number	14159418
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 10 Speed Manual

Recently Updated

$47,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 676,000 miles, 455HP DD15AT diesel engine, 10-speed Eaton manual transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	696,578 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	10 Speed Manual
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	375030
MLS Number	14359950
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Wichita, KS, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Recently Updated

$53,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 450 HP Cummins X15 engine, 10-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 676,948...

Condition	Used
Usage	682,554 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	373884
MLS Number	14459204
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

Recently Updated

$56,900 USD

574k Miles, DD15 Detroit Reman Engine, 400 HP (upgradeable to 505), DT12 Automated, Fleet Maintained, Double Bunk Condo, Fridge, Collision Mitigation System, 225" WB, 2.85 Ratio, 12,500...

Condition	Used
Usage	574,428 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MA9747
MLS Number	13463917
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Recently Updated

$64,051 USD

Condition	Used
Usage	510,157 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	287250
MLS Number	14477168
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Springfield, MA, US
Sold By	Ryder

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

Recently Updated

$47,245 USD

Condition	Used
Usage	757,524 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.16 ratio
Stock Number	508083
MLS Number	14020805
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Phoenix, AZ, US
Sold By	Ryder

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Automatic

Recently Updated

$72,900 USD

Manufacturer’s Engine Warranty: Balance of Detroit Diesel 6 Year/600,000 EW4 Coverage. In Service: 1/3/2021,

Condition	Used
Usage	9,329 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1751
MLS Number	14453163
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$70,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT diesel engine. Features 60" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	476,558 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 3.23 ratio
Stock Number	385902
MLS Number	14284031
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$73,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 417,513 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	438,702 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 3.23 ratio
Stock Number	385901
MLS Number	14233838
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated

$69,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 343,988 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, single rear axle,...

Condition	Used
Usage	343,991 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	Single Axle
Rear End	23,000 lb 3.08 ratio
Stock Number	374531
MLS Number	14399142
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Lexington, SC, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 10 Speed Automatic

Recently Updated

$52,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 699,512 miles, 450 HP Cummins X15 diesel engine, 10-speed automatic Eaton transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	706,883 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369460
MLS Number	14446856
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

Recently Updated

$64,900 USD

468006 Miles, 10412 Hours, Engine: DETROIT DD15, 475 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Overdrive, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof...

Condition	Used
Usage	10,412 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1708
MLS Number	14043809
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$64,212 USD

Condition	Used
Usage	558,752 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	899806
MLS Number	14496550
Category	Sleeper Semi Trucks
Last Updated	7/21/2026
Location	Birmingham, AL, US
Sold By	Ryder

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 75" Condo Sleeper, 400HP, 12 Speed Automatic

Newly Listed

$66,736 USD

Condition	Used
Usage	564,044 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15 GHG'17 400/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	287014
MLS Number	14496535
Category	Sleeper Semi Trucks
Last Updated	7/21/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 475HP, 12 Speed Automatic

Newly Listed

$69,073 USD

Condition	Used
Usage	526,965 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15 GHG'17 475/1625
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	262874
MLS Number	14496530
Category	Sleeper Semi Trucks
Last Updated	7/21/2026
Location	Beltsville, MD, US
Sold By	Ryder

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

Recently Updated

$59,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 587,601 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	606,801 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	372070
MLS Number	13541843
Category	Sleeper Semi Trucks
Last Updated	7/21/2026
Location	Jurupa Valley, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$61,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 539,663 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	617,967 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	380872
MLS Number	14281582
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$66,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 490,886 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	491,800 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	379851
MLS Number	14466761
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof, Detroit 455HP

Newly Listed

At auction Aug. 6

2021 FREIGHTLINER Cascadia126 Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, Detroit DD15 14.8 Liter Engine, 455 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	Detroit DT12
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.85 ratio
MLS Number	14494782
Category	Sleeper Semi Trucks
Last Updated	7/20/2026
Location	Waverly, FL, US
Listed By	Taylor & Martin LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof, Detroit 455HP

Newly Listed

At auction Aug. 6

2021 FREIGHTLINER Cascadia126 Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, Detroit DD15 14.8 Liter Engine, 455 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	Detroit DT12
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.85 ratio
MLS Number	14494781
Category	Sleeper Semi Trucks
Last Updated	7/20/2026
Location	Waverly, FL, US
Listed By	Taylor & Martin LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof, Detroit 455HP

Newly Listed

At auction Aug. 6

2021 FREIGHTLINER Cascadia126 Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, Detroit DD15 14.8 Liter Engine, 455 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	Detroit DT12
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.85 ratio
MLS Number	14494780
Category	Sleeper Semi Trucks
Last Updated	7/20/2026
Location	Waverly, FL, US
Listed By	Taylor & Martin LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof, Detroit 455HP

Newly Listed

At auction Aug. 6

2021 FREIGHTLINER Cascadia126 Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, Detroit DD15 14.8 Liter Engine, 455 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	Detroit DT12
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.85 ratio
MLS Number	14494779
Category	Sleeper Semi Trucks
Last Updated	7/20/2026
Location	Waverly, FL, US
Listed By	Taylor & Martin LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof, Detroit 455HP

Newly Listed

At auction Aug. 6

2021 FREIGHTLINER Cascadia126 Conventional, 72 Inch Raised Roof Sleeper, Upper Bunk, Detroit DD15 14.8 Liter Engine, 455 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	Detroit DT12
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.85 ratio
MLS Number	14494778
Category	Sleeper Semi Trucks
Last Updated	7/20/2026
Location	Waverly, FL, US
Listed By	Taylor & Martin LLC