1. Home
  2. For Sale
  3. Trucks
  4. Sleeper Semi Trucks
  5. Used

Used 12 Speed Sleeper Semi Trucks For Sale

Close
Your Current Search
Industry
Trucks
Category
Sleeper Semi Trucks
Transmission Speeds
12 Speed
Condition
Used
Market Type
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 (2743)
Category
Sleeper Semi Trucks (2743)
Model
Select a manufacturer to view available models.
Condition
Used (2743)
Model Year
-
Rear Axle
Single (12)Tandem (2567)Tri (3)
Transmission Type
Transmission Speed
12 Speed (2743)
Engine Manufacturer
Sleeper Type
Exterior Color
Suspension Type
Cab Style
Regular Cab (3)
Fuel Type
Diesel (2192)
Mileage
-
Horsepower
-
Inspection Report
Warranty
Price
-
Country
State / Region
Select a country to view available states.
Seller Type
Dealerships (2743)
Market Type

Shop Semi Trucks by Brand

Quick Filters

Showing 2101 - 2125 of 2,743 Sleeper Semi Truck Listings

2101 - 2125 of 2,743 listings
2101 - 2125 of 2,743 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

$61,750 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, and 220-gallon fuel...
ConditionUsed
Usage515,549 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 Number334426
MLS Number13870175
CategorySleeper Semi Trucks
Last Updated3/8/2026
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

$52,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 552,589 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage552,589 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 Number334420
MLS Number14014639
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Indianapolis, 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, 455HP, 12 Speed Automatic

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

$57,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 520,119 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage520,119 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 Number334418
MLS Number14014638
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
West Columbia, SC, 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

$47,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 619,433 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 220-gallon fuel...
ConditionUsed
Usage619,433 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 Number334416
MLS Number14014636
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Melrose Park, IL, 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

$53,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 554,934 miles, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage554,934 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 Number334409
MLS Number14014635
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Eau Claire, WI, 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

$55,000 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....
ConditionUsed
Usage512,765 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 Number334407
MLS Number14014634
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Monroe, OH, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
NUMBERCall Seller
Email Seller
Save
Penske Used Trucks
International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$39,500 USD
Used 2021 International LT625 Sleeper Semi Truck for sale, 570,370 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...
ConditionUsed
Usage570,370 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.80 ratio
Stock Number321765
MLS Number13665572
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Denver, CO, 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

$59,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 518,909 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage518,909 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 2.64 ratio
Stock Number235594
MLS Number14014608
CategorySleeper Semi Trucks
Last Updated2/22/2026
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 - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$49,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 628,647 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage628,647 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 Number374361
MLS Number14014525
CategorySleeper Semi Trucks
Last Updated2/20/2026
Location
West Valley City, UT, 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

$49,000 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 598,996 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage598,997 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 NumberEPES21242
MLS Number14014515
CategorySleeper Semi Trucks
Last Updated2/11/2026
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

$57,250 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 492,978 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage492,978 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 NumberEPES21237
MLS Number14014511
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Charlotte, 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

$49,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 634,088 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage634,088 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 NumberEPES21192
MLS Number14014507
CategorySleeper Semi Trucks
Last Updated2/28/2026
Location
Chester, 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, 400HP, 12 Speed Automatic

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

$50,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 589,486 miles, 400HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage589,486 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 NumberEPES21178
MLS Number14014500
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Concord, 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

Price Drop $57,500 USD
Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 492,067 miles, 400HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...
ConditionUsed
Usage492,068 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 NumberEPES21162
MLS Number13867806
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, 400HP, 12 Speed Automatic

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

$52,250 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, 508,637...
ConditionUsed
Usage508,637 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 NumberEPES21094
MLS Number13657335
CategorySleeper Semi Trucks
Last Updated3/8/2026
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

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$47,250 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 610,531 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage610,531 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 Number373516
MLS Number11770587
CategorySleeper Semi Trucks
Last Updated2/14/2026
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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$46,500 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 627,194 miles, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage627,194 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 Number373487
MLS Number14014483
CategorySleeper Semi Trucks
Last Updated2/18/2026
Location
Las Vegas, NV, 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

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$44,250 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 641,549 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage641,549 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 Number373442
MLS Number12315507
CategorySleeper Semi Trucks
Last Updated2/11/2026
Location
Tallahassee, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$52,750 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride suspension. Come...
ConditionUsed
Usage532,176 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 Number373426
MLS Number14014473
CategorySleeper Semi Trucks
Last Updated2/28/2026
Location
Ocala, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$44,250 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 632,565 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage632,565 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 Number373394
MLS Number14014471
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Dayton, OH, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$53,500 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 516,607 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage516,607 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 Number373392
MLS Number14014470
CategorySleeper Semi Trucks
Last Updated2/22/2026
Location
Rockville, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$51,250 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 578,937 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...
ConditionUsed
Usage578,938 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 Number373390
MLS Number13867788
CategorySleeper Semi Trucks
Last Updated2/28/2026
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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $50,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 529,833 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage529,833 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 Number373381
MLS Number13743935
CategorySleeper Semi Trucks
Last Updated2/25/2026
Location
Phoenix, AZ, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$47,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 582,546 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage582,546 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 Number373359
MLS Number13312084
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
Burlington, 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

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$50,250 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 596,848 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage596,848 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 Number373340
MLS Number13872073
CategorySleeper Semi Trucks
Last Updated2/27/2026
Location
North Las Vegas, NV, 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
Related searches
Day Cab Trucks
Did you find what you were looking for? Yes No
Got a 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