2021 Freightliner Cascadia 126 Trucks For Sale

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

Recently Updated

$51,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72\" integral sleeper, air ride suspension, 220-gallon fuel...

Condition	Used
Usage	722,333 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	380209
MLS Number	14299037
Category	Sleeper Semi Trucks
Last Updated	7/19/2026
Location	Macon, GA, US
Sold By	Penske Used Trucks

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

Newly Listed

$49,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 706,764 miles, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, 72" integral sleeper. Come see...

Condition	Used
Usage	706,764 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	369452
MLS Number	14493618
Category	Sleeper Semi Trucks
Last Updated	7/19/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Day Cab Truck - 450HP, 10 Speed Manual

Recently Updated

$41,325 USD

Condition	Used
Usage	588,219 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.58 ratio
Stock Number	204539
MLS Number	14347710
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Taylor, MI, US
Sold By	Ryder

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

Recently Updated

$70,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 13300 lbs front...

Condition	Used
Usage	437,948 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	390286
MLS Number	14358406
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Hazleton, PA, US
Sold By	Penske Used Trucks

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

Recently Updated

$66,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT engine, 10-speed manual Eaton transmission, tandem rear axle, air ride suspension, 503,748...

Condition	Used
Usage	503,820 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 3.23 ratio
Stock Number	399303
MLS Number	14305192
Category	Sleeper Semi Trucks
Last Updated	7/19/2026
Location	Piqua, OH, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

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$60,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 177,834 miles, 410 HP DD13 diesel engine, 12-speed automatic Detroit transmission, single rear axle, air ride suspension, 160...

Condition	Used
Usage	208,313 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.07 ratio
Stock Number	386124
MLS Number	14157331
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$84,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 237,315 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle...

Condition	Used
Usage	278,089 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	382292
MLS Number	14092124
Category	Sleeper Semi Trucks
Last Updated	7/19/2026
Location	Richland, MS, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop $47,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck, 326,762 miles, 435 HP DD13 Diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension, 160-gallon fuel...

Condition	Used
Usage	341,729 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	382482
MLS Number	14072230
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Poplar Bluff, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated

$57,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 384,078 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 160...

Condition	Used
Usage	392,025 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	382475
MLS Number	14023388
Category	Day Cab Semi Trucks
Last Updated	7/19/2026
Location	Homewood, AL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated

$61,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck, 247,284 miles, 435HP DD13 diesel engine, 12-speed Detroit automatic transmission, 12,000 lbs front axle, 40,000 lbs tandem rear axle. Check...

Condition	Used
Usage	297,787 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	382779
MLS Number	14096363
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	La Porte, IN, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated

$64,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck with 263,074 miles, 435HP DD13 diesel engine, 12-speed Detroit automatic transmission, 12,000 lb front axle, 40,000 lb tandem rear axle, air...

Condition	Used
Usage	294,297 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	382759
MLS Number	14014963
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Greenville, SC, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated

$46,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck with 435HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, and 160-gallon fuel...

Condition	Used
Usage	523,677 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	345415
MLS Number	14072201
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	North Las Vegas, NV, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated

$31,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 628,617 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 160 gal...

Condition	Used
Usage	649,778 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	383871
MLS Number	14014879
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Sturtevant, WI, US
Sold By	Penske Used Trucks

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

Recently Updated

$52,500 USD

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

Condition	Used
Usage	690,602 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	380790
MLS Number	14356114
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Montgomery, NY, US
Sold By	Penske Used Trucks

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

Price Drop $54,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 643,047 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	643,073 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	334634
MLS Number	14478053
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Eau Claire, WI, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated

$33,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, 571,052 miles, 450 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 150-gallon...

Condition	Used
Usage	610,019 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	235584
MLS Number	13881318
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Reading, PA, US
Sold By	Penske Used Trucks

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

Recently Updated

$52,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 670,485 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	670,605 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	220799
MLS Number	14463413
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Jessup, PA, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 475HP, 12 Speed Automatic

Recently Updated

$53,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 437,980 miles, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 12,000/40,000 lbs axles, 210...

Condition	Used
Usage	463,725 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	475 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	376130
MLS Number	13885368
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Salt Lake City, UT, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 10 Speed Manual

Recently Updated

$51,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck, 455 HP DD15AT diesel engine, 10-speed manual Eaton transmission, tandem rear axle, air ride suspension, 370,843 miles, 160-gallon fuel...

Condition	Used
Usage	379,830 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	374445
MLS Number	14310496
Category	Day Cab Semi Trucks
Last Updated	7/19/2026
Location	Youngstown, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$73,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 487,859 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	499,610 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	EPES21191
MLS Number	14014505
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

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

Newly Listed

$49,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 704,907 miles, 450 HP Cummins X15 diesel engine, 10-speed Eaton automatic transmission, 72" integral sleeper. Check it out...

Condition	Used
Usage	704,907 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	373886
MLS Number	14492358
Category	Sleeper Semi Trucks
Last Updated	7/18/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Newly Listed

$41,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, Cummins X15 diesel engine with 450 HP, automatic 10-speed Eaton transmission, tandem rear axle, air ride suspension, 577,611 miles....

Condition	Used
Usage	577,611 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369482
MLS Number	14492354
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Recently Updated

$39,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase....

Condition	Used
Usage	591,845 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369474
MLS Number	14465093
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

Newly Listed

$28,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 diesel engine, 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 693,893 miles. Check...

Condition	Used
Usage	693,893 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	369473
MLS Number	14492353
Category	Day Cab Semi Trucks
Last Updated	7/18/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks