Freightliner 12 Speed Tandem Axle Sleeper Semi Trucks For Sale

25 0

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

Price Drop

$50,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 619,474 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	619,474 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	EPES21292
MLS Number	14049086
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Prince George, VA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$51,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 605,778 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	605,779 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	334509
MLS Number	14014658
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Houston, TX, US
Sold By	Penske Used Trucks

22 0

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

Price Drop

$63,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 450,450 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	450,452 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	EPES21250
MLS Number	14014518
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

30 0

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

$51,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 540,790 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	540,790 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	359667
MLS Number	14049030
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Tampa, FL, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$59,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 498,375 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	498,376 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	351749
MLS Number	14014002
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Louisville, KY, US
Sold By	Penske Used Trucks

23 0

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

$59,500 USD

Used 2020 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 439,694 miles, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, 220-gallon fuel...

Condition	Used
Usage	439,703 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	349190
MLS Number	13751282
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Jessup, MD, US
Sold By	Penske Used Trucks

25 0

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

$45,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 673,729 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	675,308 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	258283
MLS Number	14013602
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

9 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 50" Condo Sleeper, 400HP, 12 Speed Automatic

$47,165 USD

Condition	Used
Usage	735,291 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15 GHG'17 400/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	896740
MLS Number	14048041
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Bensalem, PA, US
Sold By	Ryder

9 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$64,437 USD

Condition	Used
Usage	638,046 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	581918
MLS Number	14048032
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Jacksonville, FL, US
Sold By	Ryder

9 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$52,955 USD

Condition	Used
Usage	807,112 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	562954
MLS Number	14048028
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Jacksonville, FL, US
Sold By	Ryder

9 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 50" Condo Sleeper, 455HP, 12 Speed Automatic

$59,167 USD

Condition	Used
Usage	567,283 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	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	539704
MLS Number	14048026
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Bensalem, PA, US
Sold By	Ryder

9 0

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

$57,227 USD

Condition	Used
Usage	601,805 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	3.08 ratio
Stock Number	271130
MLS Number	14047999
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Bolingbrook, IL, US
Sold By	Ryder

14 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

$61,463 USD

Condition	Used
Usage	539,512 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	874410
MLS Number	13937960
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Wayland, MI, US
Sold By	Ryder

18 0

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 475HP, 12 Speed Automatic

$48,995 USD

Condition	Used
Usage	619,430 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15AT'17 475/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	879906
MLS Number	13734968
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Greenville, SC, US
Sold By	Ryder

14 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

$62,701 USD

Condition	Used
Usage	463,401 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.09 ratio
Stock Number	223056
MLS Number	13937785
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Wayland, MI, US
Sold By	Ryder

9 0

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

$43,000 USD

Condition	Used
Usage	967,672 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	514442
MLS Number	14047994
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Hilliard, OH, US
Sold By	Ryder

9 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 48" Mid Roof Sleeper, 475HP, 12 Speed Automatic

$58,631 USD

Condition	Used
Usage	459,730 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	DD15AT'17 475/1650
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	828883
MLS Number	14047989
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Converse, TX, US
Sold By	Ryder

9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$52,733 USD

Condition	Used
Usage	583,619 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	597054
MLS Number	14047982
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	La Vergne, TN, US
Sold By	Ryder

10 0

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

$58,093 USD

Condition	Used
Usage	504,790 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	832859
MLS Number	13878482
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Dallas, TX, US
Sold By	Ryder

(855) 910-___ SHOW
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10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$47,950 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...

Condition	Used
Usage	492,139 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3518
MLS Number	14045916
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 910-___ SHOW
NUMBERCall Seller

10 0

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

$53,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	487,656 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3559
MLS Number	14045915
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 478-___ SHOW
NUMBERCall Seller

17 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

Contact for price

JUST IN SUPER CLEAN.NEW BODY STYLE.DD15.DT12 AUTO. GREAT MILES,

Condition	Used
Usage	494,069 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7088
MLS Number	14045754
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(844) 900-___ SHOW
NUMBERCall Seller

53 1

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

$61,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, ATC SPIN, HSA OFF Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	500,447 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	L01628-DELIVERY 2 U
MLS Number	14023694
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

25 0

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

$103,750 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 182,773 miles, 455HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, tandem rear axle, air ride...

Condition	Used
Usage	182,773 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	5215
MLS Number	14045491
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Londonderry, NH, US
Sold By	Penske Used Trucks