Used Freightliner 12 Speed Tandem Axle Sleeper Semi Trucks For Sale

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$54,950 USD

Condition	Used
Usage	556,005 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	CP5829
MLS Number	13765829
Category	Sleeper Semi Trucks
Last Updated	8/20/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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2021 Freightliner Cascadia 126 Sleeper Semi Truck

$54,950 USD

Condition	Used
Usage	551,064 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	CP6652
MLS Number	13766652
Category	Sleeper Semi Trucks
Last Updated	8/20/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

2019 Freightliner Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$56,495 USD

Condition	Used
Usage	509,267 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	597029
MLS Number	13763297
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Allentown, PA, US
Sold By	Ryder

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

$41,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 671,362 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	671,362 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	360182
MLS Number	13764929
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Indianapolis, IN, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$50,000 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 456,399 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	456,399 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	226798
MLS Number	13764613
Category	Sleeper Semi Trucks
Last Updated	2/11/2026
Location	San Marcos, CA, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 50" Condo Sleeper, 455HP, 12 Speed Automatic

$59,200 USD

Condition	Used
Usage	479,449 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	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	867185
MLS Number	13592026
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Bensalem, PA, US
Sold By	Ryder

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 50" Condo Sleeper, 455HP, 12 Speed Automatic

$57,533 USD

Condition	Used
Usage	513,334 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	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	867175
MLS Number	13694701
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Bensalem, PA, US
Sold By	Ryder

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2017 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Amt

$10,500 USD

side swipe damage, CPC was stolen so truck does not run and could not be tested, salvage title

Condition	Used
Usage	638,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	10734
MLS Number	13743869
Category	Sleeper Semi Trucks
Last Updated	8/6/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$54,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 525,694 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	525,694 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	394503
MLS Number	13674984
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$40,815 USD

Condition	Used
Usage	700,281 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	3.08 ratio
Stock Number	863496
MLS Number	13723995
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Springfield, MA, US
Sold By	Ryder

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

$48,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 620,894 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	620,894 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 2.41 ratio
Stock Number	364255
MLS Number	13431200
Category	Sleeper Semi Trucks
Last Updated	2/22/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

$47,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 579,566 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	579,566 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	333814
MLS Number	13717202
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Montgomery, NY, US
Sold By	Penske Used Trucks

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $52,750 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 220 gal...

Condition	Used
Usage	562,411 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	464140
MLS Number	13680275
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Neenah, WI, US
Sold By	Penske Used Trucks

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

Price Drop $52,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	502,012 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	EPES21067
MLS Number	13694071
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$50,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper for sale. Features 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air...

Condition	Used
Usage	499,859 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.27 ratio
Stock Number	718170
MLS Number	13683804
Category	Sleeper Semi Trucks
Last Updated	2/22/2026
Location	Houston, TX, US
Sold By	Penske Used Trucks

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, 572,430 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	572,430 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 2.41 ratio
Stock Number	351774
MLS Number	13677448
Category	Sleeper Semi Trucks
Last Updated	2/22/2026
Location	Houston, MS, US
Sold By	Penske Used Trucks

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

$47,500 USD

Condition	Used
Usage	571,800 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	EPES21095
MLS Number	13674542
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Kennesaw, GA, US
Sold By	Penske Used Trucks

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$34,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 785,761 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	785,761 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	307788
MLS Number	13649453
Category	Sleeper Semi Trucks
Last Updated	2/8/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$36,000 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, 220-gal fuel capacity....

Condition	Used
Usage	670,457 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 2.41 ratio
Stock Number	718254
MLS Number	13630903
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	De Pere, WI, US
Sold By	Penske Used Trucks

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$45,500 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 531,653 miles, 400 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	531,653 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.28 ratio
Stock Number	718253
MLS Number	13582549
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

2018 Freightliner Cascadia 113 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$20,000 USD

nice truck, runs great, very clean, double bunk, power mirrors, heated mirrors, power door locks, power windows, dual air ride seats, differential lock, dump valve, A/S 5th,

Condition	Used
Usage	800,945 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	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	18DET800CAS
MLS Number	11648785
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$11,000 USD

nice truck, runs great, clean, air seats, double bunk, differential lock, dump valve, A/S 5th, cruise, smart wheel, power windows, power mirrors,,

Condition	Used
Usage	1,000,813 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	15DET100CAS
MLS Number	12656928
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$18,000 USD

good truck, runs great, fleet maintained, air seat, double bunk, dual air ride seats, differential lock, dump valve, A/S 5th, power windows, power mirrors, tilt/tele, heated mirrors,,

Condition	Used
Usage	856,499 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	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	18DET856CAS
MLS Number	11989767
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$17,000 USD

nice truck, runs great, fleet maintained, dual air ride seats, double bunk, A/S 5th, power windows, power mirrors, differential lock, dump valve,,

Condition	Used
Usage	919,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.53 ratio
Stock Number	15DET919CAS
MLS Number	11768693
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales