2021 Freightliner Cascadia 126 Trucks For Sale

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2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP

Price Drop $54,900 USD

2021 Freightliner Cascadia 126 Day Cab, , 326,512 Miles, , Detroit DD13 12.8L, 6-Cylinder, , Eaton Fuller EEO-16F112C Automated 12-speed, , 3.23 Rear Axle Ratio, , 6x4 Drive, Tandem Rear...

Condition	Used
Usage	326,512 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	271404
MLS Number	14555470
Category	Day Cab Semi Trucks
Last Updated	10/3/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

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

Newly Listed

$72,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 532,201 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, air ride suspension...

Condition	Used
Usage	532,201 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 3.08 ratio
Stock Number	389127
MLS Number	14639983
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Shreveport, LA, US
Sold By	Penske Used Trucks

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

Recently Updated

$48,750 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	211,514 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	10/7/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$76,500 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	10/7/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

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

Recently Updated

$60,500 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	596,221 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	10/7/2026
Location	Mobile, AL, US
Sold By	Penske Used Trucks

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

Recently Updated

$87,500 USD

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

Condition	Used
Usage	378,107 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	371750
MLS Number	14606066
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks

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

Recently Updated

$57,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 331,275 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension. Check it...

Condition	Used
Usage	380,658 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	382781
MLS Number	14120022
Category	Day Cab Semi Trucks
Last Updated	10/7/2026
Location	Melrose Park, IL, US
Sold By	Penske Used Trucks

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

Recently Updated

$61,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 290,328 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	324,326 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	382777
MLS Number	14104905
Category	Day Cab Semi Trucks
Last Updated	10/2/2026
Location	Melrose Park, IL, US
Sold By	Penske Used Trucks

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

Recently Updated

$64,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 287,151 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	298,200 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	384646
MLS Number	14431622
Category	Day Cab Semi Trucks
Last Updated	10/7/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks

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

Recently Updated

$58,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 357,900 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 12,000 lb front axle, air...

Condition	Used
Usage	374,973 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	384319
MLS Number	14506752
Category	Day Cab Semi Trucks
Last Updated	10/7/2026
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

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

Recently Updated

$55,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 340,150 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, 12,000 lbs front axle, 40,000 lbs tandem rear...

Condition	Used
Usage	367,253 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	383902
MLS Number	14108421
Category	Day Cab Semi Trucks
Last Updated	10/4/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

Recently Updated

$30,250 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	657,227 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	10/7/2026
Location	Brook Park, OH, US
Sold By	Penske Used Trucks

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

Price Drop $63,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 545,666 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	560,452 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	380885
MLS Number	14526628
Category	Sleeper Semi Trucks
Last Updated	10/7/2026
Location	Plymouth, MI, US
Sold By	Penske Used Trucks

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

Newly Listed

$75,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 527,429 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 60" integral sleeper, 220-gal fuel...

Condition	Used
Usage	527,429 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 3.08 ratio
Stock Number	321412
MLS Number	14639958
Category	Sleeper Semi Trucks
Last Updated	10/2/2026
Location	Augusta, GA, US
Sold By	Penske Used Trucks

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

Newly Listed

$34,250 USD

Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck for sale, 644,348 miles, DD15AT diesel engine with 455 HP, 12-speed Detroit automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	644,348 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	321278
MLS Number	14639957
Category	Day Cab Semi Trucks
Last Updated	10/2/2026
Location	Forest Park, GA, US
Sold By	Penske Used Trucks

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

Recently Updated

$29,000 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 783,611 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	787,826 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	377691
MLS Number	14295516
Category	Day Cab Semi Trucks
Last Updated	10/2/2026
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

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

Recently Updated

$53,500 USD

Used 2021 Freightliner Cascadia 126 Single Axle Day Cab Truck with 410 HP DD13 diesel engine, 12-speed automatic Detroit transmission, 174" wheelbase, air ride suspension, and 200-gallon...

Condition	Used
Usage	374,717 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 3.08 ratio
Stock Number	374890
MLS Number	14606022
Category	Day Cab Semi Trucks
Last Updated	10/7/2026
Location	Grand Prairie, TX, US
Sold By	Penske Used Trucks

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

Recently Updated

$37,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 610,732 miles, Cummins X15 diesel engine with 450 HP, Eaton 10-speed automatic transmission, tandem rear axle, 12,000 lb front...

Condition	Used
Usage	621,090 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	369481
MLS Number	14465094
Category	Day Cab Semi Trucks
Last Updated	10/7/2026
Location	Pensacola, FL, US
Sold By	Penske Used Trucks

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

Recently Updated

$40,500 USD

Used 2021 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 diesel engine, 450 HP, 575,488 miles, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	592,328 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	369477
MLS Number	14533250
Category	Day Cab Semi Trucks
Last Updated	10/3/2026
Location	Loxley, AL, US
Sold By	Penske Used Trucks

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

Recently Updated

$43,750 USD

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

Condition	Used
Usage	573,132 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	369463
MLS Number	14459177
Category	Day Cab Semi Trucks
Last Updated	10/2/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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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. Power Windows Power Locks ...

Condition	Used
Usage	447,228 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	595260
MLS Number	14550204
Category	Day Cab Semi Trucks
Last Updated	10/4/2026
Location	El Paso, TX, US
Sold By	Doggett

(844) 385-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$71,620 USD

Condition	Used
Usage	498,288 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	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	508915
MLS Number	14638414
Category	Sleeper Semi Trucks
Last Updated	10/1/2026
Location	Converse, TX, US
Sold By	Ryder

(844) 385-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 10 Speed Automatic

Newly Listed

$51,918 USD

Condition	Used
Usage	684,241 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	10 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	266950
MLS Number	14638368
Category	Sleeper Semi Trucks
Last Updated	10/1/2026
Location	Bolingbrook, IL, US
Sold By	Ryder

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$69,999 USD

CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	400,560 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
Stock Number	4012
MLS Number	14599206
Category	Sleeper Semi Trucks
Last Updated	10/1/2026
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.