1. Home
  2. For Sale
  3. Trucks
  4. Freightliner
  5. Cascadia
  6. 2021

2021 Freightliner Cascadia Trucks For Sale

The 2021 Freightliner Cascadia Truck ranges in price from as low as $12,500 up to $139,900 based on MyLittleSalesman.com marketplace data.
Close
Your Current Search
Industry
Trucks
Manufacturer
Freightliner
Model
Cascadia
Year
2021
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (842)
Category
Day Cab Semi Trucks (387)Other Trucks (3)Salvage Trucks (10)Sewer / Septic Trucks (1)Sleeper Semi Trucks (441)
Make
Freightliner (842)
Model
Cascadia (842)
   Cascadia 126 (581) A limited list of models are shown. Select a category above to view all available models.
Condition
Used (842)
Model Year
-
GVWR Category
Heavy Duty (797)
Rear Axle
Single (26)Tandem (762)Tri (3)
Transmission Type
Transmission Speed
Drive Train
Suspension Type
Cab Style
Regular Cab (9)
Fuel Type
Diesel (707)
Mileage
-
Horsepower
-
Price
-
Country
State / Region
Select a country to view available states.
Market Type

Shop Trucks by Category

Showing 751 - 775 of 842 Listings

751 - 775 of 842 listings
751 - 775 of 842 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

$55,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 529,621 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage529,621 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 Number334498
MLS Number13899535
CategorySleeper Semi Trucks
Last Updated2/11/2026
Location
Jacksonville, FL, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
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

$56,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 511,355 miles, 400HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage511,355 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 NumberEPES21175
MLS Number13899419
CategorySleeper Semi Trucks
Last Updated2/15/2026
Location
Greensboro, NC, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

2021 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$44,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 455HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, and air ride suspension....
ConditionUsed
Usage633,194 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 Number344951
MLS Number12090553
CategorySleeper Semi Trucks
Last Updated3/1/2026
Location
Chicopee, MA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$56,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 542,102 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, air ride...
ConditionUsed
Usage542,102 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 Number334529
MLS Number13885378
CategorySleeper Semi Trucks
Last Updated2/25/2026
Location
El Paso, TX, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 606,726 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage606,726 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 Number334456
MLS Number13885377
CategorySleeper Semi Trucks
Last Updated2/21/2026
Location
Jackson, TN, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 595,803 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, tandem rear axle, air ride...
ConditionUsed
Usage595,803 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 Number334553
MLS Number13865266
CategorySleeper Semi Trucks
Last Updated2/8/2026
Location
Tulsa, OK, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
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

$54,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 484,620 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72\" integral sleeper, tandem rear axle....
ConditionUsed
Usage484,620 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 NumberEPES21107
MLS Number13727963
CategorySleeper Semi Trucks
Last Updated2/6/2026
Location
Greensboro, NC, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$49,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, 220-gallon fuel...
ConditionUsed
Usage592,314 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 Number380838
MLS Number13881351
CategorySleeper Semi Trucks
Last Updated2/7/2026
Location
Augusta, GA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$44,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 678,696 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...
ConditionUsed
Usage678,696 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 Number344927
MLS Number13881337
CategorySleeper Semi Trucks
Last Updated2/7/2026
Location
Atlanta, GA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$51,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 554,138 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride...
ConditionUsed
Usage554,138 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 Number334450
MLS Number13881325
CategorySleeper Semi Trucks
Last Updated2/11/2026
Location
Dothan, AL, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 13,300 lbs front axle, 40...
ConditionUsed
Usage599,059 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 Number380821
MLS Number13801186
CategorySleeper Semi Trucks
Last Updated2/7/2026
Location
West Sacramento, CA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$51,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 557,841 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage557,841 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 Number334569
MLS Number13879381
CategorySleeper Semi Trucks
Last Updated3/3/2026
Location
East Chicago, IN, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
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

$67,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 401,181 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13200 lbs front...
ConditionUsed
Usage401,181 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 NumberEPES21167
MLS Number13879369
CategorySleeper Semi Trucks
Last Updated2/19/2026
Location
Chester, VA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - Detroit 455HP

2021 Freightliner Cascadia 126 Day Cab Truck - Detroit 455HP

$39,900 USD
2021 Freightliner Cascadia Tandem Axle Day Cab, Detroit DD15 455HP Engine, DT12 12 Spd Detroit DT12-OA Transmission, Air Ride Seats, 52,000 GVW, 12,000# f12-3n Front Axle, 40,000# Detroit...
ConditionUsed
Usage12,807 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number21WH022
MLS Number13877894
CategoryDay Cab Semi Trucks
Last Updated10/9/2025
Location
Winimac, IN, US
Sold By
Vander Haag's Inc.
(855) 370-___  SHOW
NUMBERCall Seller
Email Seller
Save
Vander Haag's Inc.
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

$41,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455 HP DD15AT engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension. Come...
ConditionUsed
Usage709,930 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 Number334447
MLS Number13876805
CategorySleeper Semi Trucks
Last Updated2/22/2026
Location
Baltimore, MD, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$71,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 474,921 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage474,921 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 Number344964
MLS Number13630348
CategorySleeper Semi Trucks
Last Updated1/25/2026
Location
Amarillo, TX, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

2021 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$46,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 595,002 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage595,002 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 Number334575
MLS Number12845049
CategorySleeper Semi Trucks
Last Updated3/3/2026
Location
Nashville, TN, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
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

$50,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 400HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...
ConditionUsed
Usage508,983 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 NumberEPES21181
MLS Number13644670
CategorySleeper Semi Trucks
Last Updated2/26/2026
Location
Greensboro, NC, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$48,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 636,429 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage636,429 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 Number380884
MLS Number13868023
CategorySleeper Semi Trucks
Last Updated2/22/2026
Location
El Paso, TX, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 575,805 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...
ConditionUsed
Usage575,805 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 Number380876
MLS Number13868019
CategorySleeper Semi Trucks
Last Updated2/4/2026
Location
Houston, TX, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 556,793 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension. Check...
ConditionUsed
Usage556,793 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 Number334566
MLS Number13867972
CategorySleeper Semi Trucks
Last Updated2/11/2026
Location
Jacksonville, FL, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$50,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 567,142 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, 22,000 lbs front/rear tandem axles,...
ConditionUsed
Usage567,142 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 Number334522
MLS Number13867965
CategorySleeper Semi Trucks
Last Updated2/6/2026
Location
Martinsville, VA, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$45,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 633,907 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...
ConditionUsed
Usage633,907 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 Number334472
MLS Number13867948
CategorySleeper Semi Trucks
Last Updated2/14/2026
Location
Greensboro, NC, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
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

$43,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension....
ConditionUsed
Usage670,212 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 Number334445
MLS Number13867945
CategorySleeper Semi Trucks
Last Updated3/3/2026
Location
Indianapolis, IN, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No