2021 Freightliner Tandem Axle Cascadia 126 Trucks For Sale

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Showing 1 - 25 of 264 Listings

1 - 25 of 264 listings
1 - 25 of 264 listings
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$63,500 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....
ConditionUsed
Usage623,106 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number372070
MLS Number13541843
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Torrance, CA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 435HP, 10 Speed Manual

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 10 Speed Manual

Recently Updated
$57,750 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 285,693 miles, 435 HP DD13 diesel engine, 10-speed Eaton manual transmission, tandem rear axle, air ride suspension, 160-gallon...
ConditionUsed
Usage287,768 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission10 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number322069
MLS Number14526660
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Bethlehem, PA, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

Recently Updated
$61,000 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...
ConditionUsed
Usage328,606 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number382779
MLS Number14096363
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Melrose Park, IL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

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

Recently Updated
$81,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 400HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 460,957...
ConditionUsed
Usage464,469 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.28 ratio
Stock NumberEPES21290
MLS Number14014959
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Greensboro, NC, US
Sold By
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Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

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

Recently Updated
$78,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 438,458 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage456,362 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.28 ratio
Stock NumberEPES21272
MLS Number14514381
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Longview, TX, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

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

Recently Updated
$62,750 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck with 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase, and...
ConditionUsed
Usage246,599 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number384504
MLS Number14111072
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Pensacola, FL, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

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

Recently Updated
$44,500 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 527,186 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension. Check...
ConditionUsed
Usage527,759 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number384313
MLS Number14546680
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Reading, PA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

Recently Updated
$73,250 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck, 126,478 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 160-gallon fuel...
ConditionUsed
Usage127,390 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number384050
MLS Number14575265
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Kearny, NJ, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

Recently Updated
$57,250 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 407,622 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...
ConditionUsed
Usage430,866 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number383898
MLS Number14240404
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Springfield, MO, US
Sold By
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Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$67,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 567,648 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage580,506 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number380878
MLS Number14575264
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Goodyear, AZ, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

Recently Updated
$58,000 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck for sale, 358,326 miles, 435HP Diesel DD13 engine, 12-speed Detroit automatic transmission, tandem rear axle, 160-gallon fuel capacity....
ConditionUsed
Usage373,394 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number371625
MLS Number14245775
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Braintree, MA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

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

Recently Updated
$35,750 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...
ConditionUsed
Usage623,208 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number235584
MLS Number13881318
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Reading, PA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

Recently Updated
$30,500 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, 178” wheelbase, and...
ConditionUsed
Usage744,531 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number377692
MLS Number14284015
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Phoenix, AZ, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 13 Speed Automatic

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 13 Speed Automatic

Recently Updated
$58,750 USD
Used 2021 Freightliner Cascadia 126 Day Cab Truck with Cummins X15 Diesel engine, 450 HP, 13-speed Eaton automatic transmission, tandem rear axle, 420,310 miles, air ride suspension,...
ConditionUsed
Usage464,292 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission13 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberM220274
MLS Number14014463
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Phoenix, AZ, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

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

Recently Updated
$41,000 USD
Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck, Cummins X15 450HP diesel engine, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 178" wheelbase. Check...
ConditionUsed
Usage588,611 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number369486
MLS Number14573445
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Pensacola, FL, US
Sold By
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Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

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

Recently Updated
$41,750 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....
ConditionUsed
Usage580,873 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number369482
MLS Number14492354
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Pensacola, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - Cummins 450HP, 10 Speed Automatic

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

Recently Updated
$42,000 USD
Used 2021 Freightliner Cascadia 126 Day Cab Semi Truck with Cummins X15 diesel engine, 450 HP, 10-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 572,026 miles....
ConditionUsed
Usage579,130 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number369472
MLS Number14492352
CategoryDay Cab Semi Trucks
Last Updated9/23/2026
Location
Pensacola, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

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

Newly Listed
$54,000 USD
ConditionUsed
Usage427,800 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDetroit DD15 EPA 17
Drivetrain6x4
TransmissionDetroit DT12 Automatic
Sleeper TypeExtra Tall Sleeper
Sleeper Size48"
Rear AxleTandem Axle
Rear End2.28 ratio
Stock Number20463
MLS Number14619647
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Gary, IN, US
Sold By
Schneider
Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

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

Newly Listed
$45,000 USD
ConditionUsed
Usage518,753 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDetroit DD15 EPA 17
Drivetrain6x4
TransmissionDetroit DT12 Automatic
Sleeper TypeExtra Tall Sleeper
Sleeper Size48"
Rear AxleTandem Axle
Rear End2.28 ratio
Stock Number20582
MLS Number14619620
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Carlisle, PA, US
Sold By
Schneider
Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

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

Newly Listed
$48,000 USD
ConditionUsed
Usage450,221 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDetroit DD15 EPA 17
Drivetrain6x4
TransmissionDetroit DT12 Automatic
Sleeper TypeExtra Tall Sleeper
Sleeper Size48"
Rear AxleTandem Axle
Rear End2.28 ratio
Stock Number20714
MLS Number14619618
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
Gary, IN, US
Sold By
Schneider
Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

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

Newly Listed
$48,000 USD
ConditionUsed
Usage461,427 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDetroit DD15 EPA 17
Drivetrain6x4
TransmissionDetroit DT12 Automatic
Sleeper TypeExtra Tall Sleeper
Sleeper Size48"
Rear AxleTandem Axle
Rear End2.28 ratio
Stock Number20481
MLS Number14619612
CategorySleeper Semi Trucks
Last Updated9/23/2026
Location
ATLANTA, GA, US
Sold By
Schneider
Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 450HP, 10 Speed Manual

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 450HP, 10 Speed Manual

Newly Listed
$51,757 USD
ConditionUsed
Usage697,143 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelX15'17 450/1700
Transmission10 Speed Manual
Sleeper TypeCondo Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.25 ratio
Stock Number507931
MLS Number14618519
CategorySleeper Semi Trucks
Last Updated9/22/2026
Location
Wayland, MI, US
Sold By
Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 450HP, 10 Speed Manual

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 450HP, 10 Speed Manual

Newly Listed
$57,852 USD
ConditionUsed
Usage629,426 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelX15'17 450/1700
Transmission10 Speed Manual
Sleeper TypeCondo Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.25 ratio
Stock Number507929
MLS Number14618517
CategorySleeper Semi Trucks
Last Updated9/22/2026
Location
Wayland, MI, US
Sold By
Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$47,627 USD
ConditionUsed
Usage761,964 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15 GHG'17 455/1650
Transmission12 Speed
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number266774
MLS Number14469492
CategorySleeper Semi Trucks
Last Updated9/22/2026
Location
Dallas, TX, US
Sold By
Ryder
Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

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

Recently Updated
$38,401 USD
ConditionUsed
Usage615,694 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13'17 450/1650
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number298334
MLS Number14151435
CategoryDay Cab Semi Trucks
Last Updated9/22/2026
Location
Converse, TX, US
Sold By
Ryder
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