Freightliner 12 Speed Sleeper Semi Trucks For Sale

28 0

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

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$59,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	545,895 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	341917
MLS Number	12076304
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Albuquerque, NM, US
Sold By	Penske Used Trucks

23 0

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

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$47,250 USD

MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing;...

Condition	Used
Usage	725,653 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	275892
MLS Number	12597880
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tallahassee, FL, US
Sold By	Penske Used Trucks

24 0

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

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$46,250 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	706,803 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	291359
MLS Number	13387043
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Edison, NJ, US
Sold By	Penske Used Trucks

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Newly Listed

$76,900 USD

THERMOKING APU, EXT DETROIT EW4 ENGINE COVERAGE 48 Months 03/25/Miles,

Condition	Used
Usage	438,820 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	264369
MLS Number	13738416
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

22 0

2019 Freightliner Cascadia 113 Sleeper Semi Truck - 48" Integral Sleeper, 410HP, 12 Speed Automatic

Price Drop

$50,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	476,318 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	DD13
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	M218021
MLS Number	13581050
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Concord, NC, US
Sold By	Penske Used Trucks

2 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

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Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	376,755 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 3.42 ratio
Stock Number	258099
MLS Number	13738282
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Houston, TX, US
Sold By	Penske Used Trucks

28 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$109,900 USD

LOW MILEAGE!! ONLY 218K MILES. INCLUDES REMAINING FACTORY WARRANTY!!! EXT DETROIT EW4 CARB COMPLIANT COVERAGE 60 Months 12/05/Miles EXT TRUCK COVERAGE 1 60 Months 12/05/Miles,

Condition	Used
Usage	219,581 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	264312
MLS Number	13717026
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

(844) 216-___ SHOW
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4 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

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$49,900 USD

72 Inch Mid-Roof XT Sleeper, 556,000 Approximate Miles, ECM Reads 556,000 Miles, Detroit DD15 Engine, 505 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear Ends, 3.08 Ratio...

Condition	Used
Usage	556,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3610
MLS Number	13712680
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

26 0

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

Recently Updated

$63,900 USD

449016 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Wheel Base: 235, Tandem Rear Axles, Front Axle Weight: 13300 lb, Rear Axle Weight: 40000...

Condition	Used
Usage	449,016 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	263920
MLS Number	13703410
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

29 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$114,900 USD

EXT DETROIT EW4 CARB COMPLIANT COVERAGE 60 Months 01/19/Miles EXT TRUCK COVERAGE 1 60 Months 01/19/Miles,

Condition	Used
Usage	244,930 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	263980
MLS Number	13703409
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

23 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$61,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	425,192 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	232468
MLS Number	13509535
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Wilkes Barre, PA, US
Sold By	Penske Used Trucks

29 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

Recently Updated

$104,900 USD

2023 Freightliner New Cascadia sleeper, Detroit DD15 engine, DT12 transmission, bunk heater, new virgin drive tires, Pm and Dot performed, ready to go to work. Emission systems warranty...

Condition	Used
Usage	296,001 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	263893
MLS Number	13683504
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

2 0

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

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Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	617,284 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	230588
MLS Number	13738231
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Gainesville, GA, US
Sold By	Penske Used Trucks

2 0

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

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Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	670,019 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	219179
MLS Number	13738183
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Mount Juliet, TN, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$58,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	485,177 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	304978
MLS Number	13738172
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$55,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	525,332 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	304976
MLS Number	13738170
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

2 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

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Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	505,650 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	304973
MLS Number	13738169
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$79,900 USD

2022 Freightliner Cascadia sleeper, Detroit DD15 power, Detroit DT12 automated transmission, Fleet maintained unit, thermoking Tripac APU

Condition	Used
Usage	439,733 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	257457
MLS Number	13601212
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

29 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

Recently Updated

$119,900 USD

Super nice Truck!! Detroit DD15 and Detroit transmission, EXT DETROIT EW4 CARB COMPLIANT COVERAGE 60 Months 10/14/Miles,

Condition	Used
Usage	292,564 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	263320
MLS Number	13586876
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

23 0

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

Recently Updated

$61,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	371,422 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	214709
MLS Number	13724733
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Anderson, SC, US
Sold By	Penske Used Trucks

(844) 900-___ SHOW
NUMBERCall Seller

63 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

Recently Updated

$64,900 USD

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

Condition	Used
Usage	532,398 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	L01322-DELIVERY 2 U
MLS Number	13529227
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$41,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	653,018 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 3.08 ratio
Stock Number	206217
MLS Number	13687297
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

23 0

2018 Freightliner Cascadia 125 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$41,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	654,528 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	Single Axle
Rear End	23,000 lb 3.42 ratio
Stock Number	174811
MLS Number	13626486
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Minoa, NY, US
Sold By	Penske Used Trucks

28 0

2018 Freightliner Cascadia 125 Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$39,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	665,379 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	Single Axle
Rear End	23,000 lb 3.42 ratio
Stock Number	174809
MLS Number	13633729
Category	Sleeper Semi Trucks
Last Updated	8/2/2025
Location	Minoa, NY, US
Sold By	Penske Used Trucks