2021 Freightliner Cascadia 126 Trucks For Sale

76 - 100 of 305 listings

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

Recently Updated

$66,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase, 160 gal...

Condition	Used
Usage	285,216 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	383900
MLS Number	14096342
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

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$65,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 550,634 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13,300 lb front axle,...

Condition	Used
Usage	583,237 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	380774
MLS Number	14320682
Category	Sleeper Semi Trucks
Last Updated	9/22/2026
Location	Boise, ID, US
Sold By	Penske Used Trucks

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

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$58,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 366,894 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 160...

Condition	Used
Usage	369,767 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	371615
MLS Number	14583702
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

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

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$60,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck, 320,220 miles, 435 HP DD13 diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension, 160-gallon fuel...

Condition	Used
Usage	339,743 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	344669
MLS Number	14159394
Category	Day Cab Semi Trucks
Last Updated	9/18/2026
Location	Binghamton, NY, US
Sold By	Penske Used Trucks

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

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$60,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 382,661 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	383,677 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	271586
MLS Number	14568616
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Greenville, SC, US
Sold By	Penske Used Trucks

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

Recently Updated

$71,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 479,496 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	479,634 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	379850
MLS Number	14476461
Category	Sleeper Semi Trucks
Last Updated	9/20/2026
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

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

Recently Updated

$70,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 553,201 miles, 475HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	556,216 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	378811
MLS Number	14598682
Category	Sleeper Semi Trucks
Last Updated	9/22/2026
Location	Memphis, TN, US
Sold By	Penske Used Trucks

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

Recently Updated

$30,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 849,092 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	850,416 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 3.23 ratio
Stock Number	377689
MLS Number	14533254
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$67,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 566,782 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 200-gallon fuel...

Condition	Used
Usage	577,195 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	EPES21246
MLS Number	14506701
Category	Sleeper Semi Trucks
Last Updated	9/19/2026
Location	Garland, TX, US
Sold By	Penske Used Trucks

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

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$67,750 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 258,912 miles, 450 HP DD13 diesel engine, 12-speed automatic transmission by Detroit, tandem rear axle, air ride suspension,...

Condition	Used
Usage	269,926 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 3.08 ratio
Stock Number	372172
MLS Number	14531748
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Tampa, FL, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated

$51,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, 406,536 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension. See it now...

Condition	Used
Usage	406,540 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	370278
MLS Number	14431594
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	La Porte, IN, US
Sold By	Penske Used Trucks

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

Recently Updated

$33,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 647,390 miles, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	663,396 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	369488
MLS Number	14476390
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

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

Recently Updated

$31,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 450HP engine, Eaton 10-speed automatic transmission, tandem rear axle, air ride suspension, 200-gallon fuel capacity,...

Condition	Used
Usage	677,831 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	369485
MLS Number	14507788
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

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

Recently Updated

$38,750 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	616,947 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	9/22/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

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

Recently Updated

$38,500 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, 178" wheelbase. Check...

Condition	Used
Usage	631,700 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	369464
MLS Number	14437402
Category	Day Cab Semi Trucks
Last Updated	9/22/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

Recently Updated

$54,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 710,175 miles, Cummins X15 450HP diesel engine, 10-speed Eaton automatic transmission, 72" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	729,328 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	369453
MLS Number	14441694
Category	Sleeper Semi Trucks
Last Updated	9/20/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia Sleeper Semi Truck - 60" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$53,000 USD

Condition	Used
Usage	503,657 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12
Sleeper Type	Extra Tall Sleeper
Sleeper Size	60"
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	65271
MLS Number	14612468
Category	Sleeper Semi Trucks
Last Updated	9/18/2026
Location	MECHANICSBURG, PA, US
Sold By	Schneider

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

Newly Listed

$48,000 USD

Condition	Used
Usage	476,193 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	20579
MLS Number	14612449
Category	Sleeper Semi Trucks
Last Updated	9/21/2026
Location	Gary, IN, US
Sold By	Schneider

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2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP

Recently Updated

$49,900 USD

Collision Mitigation, Lane Assist

Condition	Used
Usage	382,197 Miles
Horse Power	450 HP
Engine Model	Detroit DD13
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Capacity	130 Gallons
Weight	52,000
Stock Number	597354
MLS Number	14525732
Category	Day Cab Semi Trucks
Last Updated	9/18/2026
Location	Buda, TX, US
Sold By	Doggett

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2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP

Recently Updated

$49,900 USD

2021 Freightliner Cascadia 126 Day Cab Powered by a DD13 Engine with 450hp and Paired with a DT12-12 Speed Automatic Transmission For Optimum Fuel Efficiency. 130 Gallon Diesel Fuel Capacity...

Condition	Used
Usage	487,690 Miles
Horse Power	450 HP
Engine Model	Detroit DD13
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Capacity	130 Gallons
Weight	Class 8: 33,001 lb and above (14,969 kg and above)
Stock Number	597081
MLS Number	14553993
Category	Day Cab Semi Trucks
Last Updated	9/18/2026
Location	El Paso, TX, US
Sold By	Doggett

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2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP

Recently Updated

$49,900 USD

Collision Mitigation, Lane Assist

Condition	Used
Usage	380,180 Miles
Horse Power	450 HP
Engine Model	Detroit DD13
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Capacity	130 Gallons
Weight	52,000
Stock Number	597352
MLS Number	14572393
Category	Day Cab Semi Trucks
Last Updated	9/19/2026
Location	Buda, TX, US
Sold By	Doggett

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

Newly Listed

$36,740 USD

Condition	Used
Usage	591,299 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	DD13'17 450/1650
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	257660
MLS Number	14611567
Category	Day Cab Semi Trucks
Last Updated	9/17/2026
Location	Springfield, MA, US
Sold By	Ryder

(844) 385-___ SHOW
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2021 Freightliner Cascadia 126 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

Price Drop $51,750 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	209,935 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	9/22/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$77,250 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	439,000 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	9/19/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, Cummins 450HP, 10 Speed Manual

Recently Updated

$61,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 558,715 miles, Cummins X15 450HP diesel engine, 10-speed Eaton manual transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	590,184 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	10 Speed Manual
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	382227
MLS Number	14408063
Category	Sleeper Semi Trucks
Last Updated	9/22/2026
Location	Mobile, AL, US
Sold By	Penske Used Trucks

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2021 Freightliner Cascadia 126 Trucks For Sale

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Showing 76 - 100 of 305 Listings