Freightliner 12 Speed Sleeper Semi Trucks For Sale

24 0

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

Price Drop

$54,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 571,657 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	571,657 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	464237
MLS Number	13753713
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$68,500 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 386,200 miles, 400HP DD15AT engine, 12 speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	386,200 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	EPES21231
MLS Number	13824650
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

22 0

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

Price Drop

$76,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 238,242 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle....

Condition	Used
Usage	238,242 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 3.55 ratio
Stock Number	352300
MLS Number	13824491
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Odessa, TX, US
Sold By	Penske Used Trucks

23 0

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

$52,750 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 487,710 miles, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	487,710 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	227510
MLS Number	13824244
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Essex, MD, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
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11 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 400HP, 12 Speed Automatic

$50,818 USD

Condition	Used
Usage	552,955 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	862660
MLS Number	13823624
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Knoxville, TN, US
Sold By	Ryder

23 0

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

$56,000 USD

Used 2022 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	607,143 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	464254
MLS Number	13822854
Category	Sleeper Semi Trucks
Last Updated	12/10/2025
Location	Orlando, FL, US
Sold By	Penske Used Trucks

23 0

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

$57,000 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck, 570,789 miles, 400HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	570,789 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	256561
MLS Number	13711391
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

28 0

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

Price Drop

$51,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	571,175 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	389157
MLS Number	13703517
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Concord, NC, US
Sold By	Penske Used Trucks

23 0

2022 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$48,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, 13,300lb front axle,...

Condition	Used
Usage	583,614 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	394090
MLS Number	12772318
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Wickliffe, OH, US
Sold By	Penske Used Trucks

27 0

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

$67,750 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 442,201 miles, 400HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	442,201 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	EPES21077
MLS Number	13820486
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Augusta, GA, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 116 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$54,250 USD

Used 2020 Freightliner Cascadia 116 Sleeper Semi Truck for sale, 469,913 miles, 450 HP DD13 diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...

Condition	Used
Usage	469,913 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	354065
MLS Number	13820357
Category	Sleeper Semi Trucks
Last Updated	12/10/2025
Location	Elmira, NY, US
Sold By	Penske Used Trucks

28 0

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$38,250 USD

Used 2017 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 676,810 miles, 450HP DD15 diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	676,810 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD15
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	703408
MLS Number	12370501
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$66,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 405,261 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	405,261 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	EPES21163
MLS Number	13816072
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Chester, VA, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Integral Sleeper, 455HP, 12 Speed Automatic

$59,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 499,838 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 48" integral sleeper, tandem rear axle,...

Condition	Used
Usage	499,838 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	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	357043
MLS Number	13816017
Category	Sleeper Semi Trucks
Last Updated	10/27/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

23 0

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

$70,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 461,047 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	461,047 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	303443
MLS Number	13815597
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Fontana, CA, US
Sold By	Penske Used Trucks

(909) 775-___ SHOW
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3 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$99,800 USD

Call Yvette!,

Condition	Used
Usage	355,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	23484
MLS Number	13678017
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

23 0

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

Price Drop

$48,500 USD

Used 2019 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	529,740 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	251994
MLS Number	13798047
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

(909) 775-___ SHOW
NUMBERCall Seller

4 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$79,900 USD

Fully serviced, DOT Certified, EW4 warranty Hablo Español Call Yvette!,

Condition	Used
Usage	443,889 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2622
MLS Number	13601287
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

(909) 775-___ SHOW
NUMBERCall Seller

10 0

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

$79,900 USD

2022 FREIGHTLINER CASCADIA 126 – FLAG EDITION, Call or text for info, Yvette Servin,

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	13601281
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

28 0

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

$58,000 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck for sale, 417,342 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	417,342 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	226797
MLS Number	13815521
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	West Sacramento, CA, US
Sold By	Penske Used Trucks

17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	620,701 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	CP5832
MLS Number	13765832
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	620,071 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	CP8640
MLS Number	13778640
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	618,968 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	CP7629
MLS Number	13761278
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

16 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$49,500 USD

Condition	Used
Usage	615,629 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	CP1282
MLS Number	13761282
Category	Sleeper Semi Trucks
Last Updated	9/16/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC