Freightliner 12 Speed Tandem Axle Sleeper Semi Trucks For Sale

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$82,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 237,315 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle...

Condition	Used
Usage	237,315 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	382292
MLS Number	14092124
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Richland, MS, US
Sold By	Penske Used Trucks

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

$64,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck, 521,889 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, 240-gallon...

Condition	Used
Usage	521,889 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	324660
MLS Number	14092080
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

$49,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 599,918 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, 240-gallon fuel...

Condition	Used
Usage	599,918 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	366661
MLS Number	14091799
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Memphis, TN, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 113 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$36,250 USD

Used 2020 Freightliner Cascadia 113 Sleeper Semi Truck, 661,688 miles, 450 HP DD13 diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle, air ride...

Condition	Used
Usage	661,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	352663
MLS Number	14091775
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $48,250 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 531,508 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle....

Condition	Used
Usage	531,508 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 3.23 ratio
Stock Number	291517
MLS Number	14091753
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Des Moines, IA, US
Sold By	Penske Used Trucks

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

Price Drop $36,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 739,483 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 240-gallon...

Condition	Used
Usage	739,752 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	272693
MLS Number	14063860
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

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

$53,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 559,098 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	569,850 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	268733
MLS Number	14040592
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Columbus, OH, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

$50,500 USD

Used 2019 Freightliner Cascadia 116 Sleeper Semi Truck for sale, 391,611 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	391,612 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
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	268891
MLS Number	14055558
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Obetz, OH, US
Sold By	Penske Used Trucks

(855) 591-___ SHOW
NUMBERCall Seller

2019 Freightliner Cascadia 113 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

Price Drop $25,900 USD

2019 Freightliner Cascadia 113 – 1 Owner, Fleet Maintained Cascadia!, Came out of Iowa—very nice, clean and ready to work! , 450 HP Detroit DD13 engine, , Detroit DT12 automatic transmission...

Condition	Used
Usage	562,852 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.07 ratio
Stock Number	KC4722
MLS Number	13788641
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(713) 532-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Contact for price

2022 Freightliner Cascadia 126 Flag Edition!, Patriotic paint, fleet-owned and well-maintained with low engine hours. Runs strong no oil leaks, air leaks, or warning lights. Right mirror is...

Condition	Used
Usage	441,406 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	2599
MLS Number	13483842
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 80" Condo Sleeper, 455HP, 12 Speed Automatic

$46,645 USD

Condition	Used
Usage	584,909 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	877983
MLS Number	14089811
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Springfield, MA, US
Sold By	Ryder

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$56,881 USD

Condition	Used
Usage	555,420 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.23 ratio
Stock Number	875558
MLS Number	14089809
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Knoxville, TN, US
Sold By	Ryder

2019 Freightliner Cascadia Sleeper Semi Truck - 80" Condo Sleeper, 455HP, 12 Speed Automatic

Price Drop $54,919 USD

Condition	Used
Usage	529,302 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.42 ratio
Stock Number	593546
MLS Number	14089784
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Springfield, MA, US
Sold By	Ryder

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

$61,248 USD

Condition	Used
Usage	542,675 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1900
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	271451
MLS Number	14089771
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Minneapolis, MN, US
Sold By	Ryder

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 455HP, 12 Speed Automatic

$50,628 USD

Condition	Used
Usage	625,329 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	268705
MLS Number	13906567
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Birmingham, AL, US
Sold By	Ryder

2019 Freightliner PT126064ST Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

$46,995 USD

Condition	Used
Usage	696,379 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15 GHG'17 505/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	597561
MLS Number	13740105
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Memphis, TN, US
Sold By	Ryder

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$64,500 USD

Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 671,495 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	671,495 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 2.85 ratio
Stock Number	207060
MLS Number	14088351
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Medley, FL, US
Sold By	Penske Used Trucks

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$69,250 USD

Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 625,219 miles, 505 HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, air ride suspension,...

Condition	Used
Usage	625,219 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 2.85 ratio
Stock Number	207056
MLS Number	14088350
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Medley, FL, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$55,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	678,220 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	185888
MLS Number	14088328
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Sturtevant, WI, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$70,750 USD

Used 2023 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....

Condition	Used
Usage	570,967 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	587437
MLS Number	14088199
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Akron, OH, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$59,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 455 HP, DD15AT diesel engine, 12-speed automatic transmission by Detroit, 72" integral sleeper, 220-gal fuel capacity, tandem...

Condition	Used
Usage	619,394 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	587359
MLS Number	13868442
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Tampa, FL, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$70,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	562,366 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	590085
MLS Number	14088189
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Bakersfield, CA, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$60,000 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 605,438 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, air ride...

Condition	Used
Usage	605,461 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	589958
MLS Number	14088185
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Jessup, MD, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

$55,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 475HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, 13300 lb front axle, 40000 lb...

Condition	Used
Usage	629,394 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 2.85 ratio
Stock Number	463674
MLS Number	13520481
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks