1. Home
  2. For Sale
  3. Trucks
  4. Sleeper Semi Trucks
  5. Freightliner
  6. Cascadia
  7. Cascadia 126

2021 Freightliner Tandem Axle Cascadia 126 Sleeper Semi Trucks For Sale

Close
Your Current Search
Industry
Trucks
Category
Sleeper Semi Trucks
Manufacturer
Freightliner
Top-Model
Cascadia
Model
Cascadia 126
Rear Axle
Tandem
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 (100)
Category
Sleeper Semi Trucks (100)
Make
Freightliner (100)
Model
Cascadia (100)
   Cascadia 126 (100)
Condition
Used (100)
Model Year
-
Rear Axle
Tandem (100)
Transmission Type
Transmission Speed
Engine Manufacturer
Sleeper Type
Exterior Color
Suspension Type
Fuel Type
Diesel (68)
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Price
-
Country
United States (100)
State / Region
Select a state below and click Refine Results.
























Seller Type
Dealerships (100)
Market Type
For Sale (100)

Quick Filters

Showing 1 - 25 of 100 Sleeper Semi Truck Listings

1 - 25 of 100 listings
1 - 25 of 100 listings
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
$80,750 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
Usage461,259 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 Updated9/12/2026
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, 400HP, 12 Speed Automatic

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

Recently Updated
$78,000 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
Usage453,750 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 Updated9/12/2026
Location
Longview, 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" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

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

Newly Listed
$69,999 USD
CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,
ConditionUsed
Usage394,562 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number4012
MLS Number14599206
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Odenville, AL, US
Sold By
Used Truck and Trailer, Inc.
(844) 940-___  SHOW
NUMBERCall Seller
Email Seller
Save
Used Truck and Trailer, Inc.
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

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

Newly Listed
$69,999 USD
CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,
ConditionUsed
Usage400,560 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number4023
MLS Number14599204
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Odenville, AL, US
Sold By
Used Truck and Trailer, Inc.
(844) 940-___  SHOW
NUMBERCall Seller
Email Seller
Save
Used Truck and Trailer, 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

Recently Updated
$69,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 492,133 miles, 455HP DD15AT engine, 72" integral sleeper, 12-speed automatic transmission, air ride suspension, 220 gal fuel...
ConditionUsed
Usage514,698 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 Number392391
MLS Number14274082
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Torrance, 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, 10 Speed Manual

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

Recently Updated
$74,750 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...
ConditionUsed
Usage505,189 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission10 Speed Manual
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number399303
MLS Number14305192
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Akron, OH, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

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

Recently Updated
$73,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 455HP DD15AT diesel engine. Features 60" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...
ConditionUsed
Usage481,880 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number385902
MLS Number14284031
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Cranbury, NJ, 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

Recently Updated
$62,500 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
Usage621,735 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 Updated9/12/2026
Location
Torrance, 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, 400HP, 12 Speed Automatic

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

Recently Updated
$60,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 625,514 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage632,936 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 NumberEPES21271
MLS Number14531770
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Shreveport, LA, 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

Recently Updated
$64,500 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,...
ConditionUsed
Usage579,265 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 Number380774
MLS Number14320682
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Boise, ID, 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, 475HP, 12 Speed Automatic

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

Newly Listed
$68,250 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...
ConditionUsed
Usage553,202 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power475 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number378811
MLS Number14598682
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Memphis, 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, 10 Speed Manual

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

Recently Updated
$47,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 676,000 miles, 455HP DD15AT diesel engine, 10-speed Eaton manual transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage701,995 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission10 Speed Manual
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number375030
MLS Number14359950
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Wichita, KS, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 505HP, 12 Speed Automatic

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated
$73,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 505,768 miles, 505 HP DD15AT diesel engine, 60" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...
ConditionUsed
Usage527,700 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number375860
MLS Number14437411
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Fort Worth, 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, 505HP, 13 Speed Manual

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 13 Speed Manual

Newly Listed
$78,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 418,319 miles, 505 HP DD15AT diesel engine, 13-speed Eaton manual transmission, 72" integral sleeper, tandem rear axle, air...
ConditionUsed
Usage418,337 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission13 Speed Manual
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number374820
MLS Number14598673
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Mount Juliet, 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

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...
ConditionUsed
Usage575,977 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 NumberEPES21246
MLS Number14506701
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Garland, 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, Cummins 450HP, 10 Speed Automatic

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

Recently Updated
$60,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 607,996 miles, 72" integral sleeper, Cummins X15 diesel engine with 450 HP, 10-speed Eaton automatic transmission, tandem...
ConditionUsed
Usage652,083 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission10 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number369458
MLS Number14305035
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Kansas City, MO, 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, Cummins 450HP, 10 Speed Automatic

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

Recently Updated
$53,000 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...
ConditionUsed
Usage726,594 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission10 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number369453
MLS Number14441694
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Kansas City, MO, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
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
Usage415,967 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 Number20564
MLS Number14598574
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Carlisle, PA, US
Sold By
Schneider
(833) 781-___  SHOW
NUMBERCall Seller
Email Seller
Save
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
Usage535,170 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 Number20482
MLS Number14598563
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Carlisle, PA, US
Sold By
Schneider
(833) 781-___  SHOW
NUMBERCall Seller
Email Seller
Save
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
$72,000 USD
ConditionUsed
Usage265,020 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 Number20480
MLS Number14598558
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Gary, IN, US
Sold By
Schneider
(833) 781-___  SHOW
NUMBERCall Seller
Email Seller
Save
Schneider
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

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

Recently Updated
$81,500 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...
ConditionUsed
Usage445,496 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power475 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number390286
MLS Number14358406
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Earth City, MO, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 12 Speed Automatic

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 450HP, 12 Speed Automatic

Recently Updated
$74,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 476,223 miles, 450HP DD13 diesel engine, 12-speed Allison automatic transmission, 48" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage476,224 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size48"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Stock Number378564
MLS Number14546674
CategorySleeper Semi Trucks
Last Updated9/10/2026
Location
Dallas, TX, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

Recently Updated
$40,100 USD
Rep Photo - Photos and video coming, 743,000, Detroit DD13, 470HP, DT12 Auto,
ConditionUsed
Usage743,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberMC2480
MLS Number14347157
CategorySleeper Semi Trucks
Last Updated9/11/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
NUMBERCall Seller
Email Seller
Save
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

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

Recently Updated
$74,995 USD
2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 447,432 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE...
ConditionUsed
Usage447,432 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number7078
MLS Number14503114
CategorySleeper Semi Trucks
Last Updated9/9/2026
Location
Fontana, CA, US
Sold By
Fontana Truck Outlet
(866) 530-___  SHOW
NUMBERCall Seller
Email Seller
Save
Fontana Truck Outlet
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
$52,750 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...
ConditionUsed
Usage745,535 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 Number380209
MLS Number14299037
CategorySleeper Semi Trucks
Last Updated9/12/2026
Location
Macon, GA, 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
Got a Freightliner sleeper semi truck to sell? In minutes, you can create an online listing for your sleeper semi truck and advertise it to thousands of buyers.
Start selling today