Diesel Freightliner 12 Speed Sleeper Semi Trucks For Sale

22 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$51,500 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	647,753 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	271012
MLS Number	13387019
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Pharr, TX, US
Sold By	Penske Used Trucks

30 0

2019 Freightliner T12664ST Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$55,750 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	612,000 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	247468
MLS Number	12375622
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	West Columbia, SC, US
Sold By	Penske Used Trucks

26 0

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

$65,000 USD

SPECIAL PROMOTION - Original Price: $68000.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	500,737 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	324878
MLS Number	13255362
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks

26 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$56,250 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	520,425 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	244308
MLS Number	13351558
Category	Sleeper Semi Trucks
Last Updated	2/8/2025
Location	Fredonia, NY, US
Sold By	Penske Used Trucks

(833) 986-___ SHOW
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29 0

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

$54,900 USD

559714 Miles, Engine: DETROIT, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 227, Tandem Rear Axles,...

Condition	Used
Usage	559,714 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
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 2.28 ratio
Stock Number	260037
MLS Number	13386056
Category	Sleeper Semi Trucks
Last Updated	2/7/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

(833) 986-___ SHOW
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34 0

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

$54,900 USD

2020 cascadia, fleet maintained unit, Parksmart Electric APU stock: 260524, transmodel: DT12, engine type: DD15, dualbreathers: 0, dualexhaust: 0, xaxleconfiguration: Set Back Axle,

Condition	Used
Usage	500,294 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
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	260524
MLS Number	13386054
Category	Sleeper Semi Trucks
Last Updated	2/7/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

(855) 981-___ SHOW
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7 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$27,900 USD

2020 Freightliner Cascadia 126 * Call for Price* Specs:, -Drive: 6x4, -Mileage: 705,031, -Engine: DD15, -All Aluminum Wheels, -Transmission: Automatic, -Tires:22.5LP, -HP:505, -Raised Roof...

Condition	Used
Usage	705,031 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	40,000 lb
Stock Number	TNHC20737LAK Web
MLS Number	13385835
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(855) 981-___ SHOW
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7 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$27,900 USD

2020 Freightliner Cascadia 126 * Call for Price* Specs:, -Drive: 6x4, -Mileage: 705,031, -Engine: DD15, -All Aluminum Wheels, -Transmission: Automatic, -Tires:22.5LP, -HP:505, -Raised Rood...

Condition	Used
Usage	705,031 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	40,000 lb
Stock Number	TNHC20737LAK
MLS Number	13385834
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(833) 801-___ SHOW
NUMBERCall Seller

10 0

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 65" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$24,000 USD

GOOD TRUCK, RUNS EXCELLENT, LOW MILES, DUAL AIR RIDE SEATS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, SUSPENSION GAUGE, POWER DOOR LOCKS...

Condition	Used
Usage	492,885 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
Sleeper Size	65"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	18DET492XTCAS
MLS Number	13385744
Category	Sleeper Semi Trucks
Last Updated	2/14/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

28 0

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

Price Drop

$80,000 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	394,904 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	344920
MLS Number	13367242
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

28 0

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

Price Drop

$64,250 USD

SPECIAL PROMOTION - Original Price: $69250.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	525,176 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	373473
MLS Number	13157249
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	West Sacramento, CA, US
Sold By	Penske Used Trucks

25 0

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

$45,500 USD

SPECIAL PROMOTION - Original Price: $52500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	643,448 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	373293
MLS Number	12945823
Category	Sleeper Semi Trucks
Last Updated	2/13/2025
Location	Baltimore, MD, US
Sold By	Penske Used Trucks

23 0

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

$50,000 USD

SPECIAL PROMOTION - Original Price: $57000.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	585,089 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	368468
MLS Number	13048173
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

23 0

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

$48,000 USD

SPECIAL PROMOTION - Original Price: $55000.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...

Condition	Used
Usage	590,194 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	275894
MLS Number	12562670
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Sturtevant, WI, US
Sold By	Penske Used Trucks

23 0

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

$50,500 USD

SPECIAL PROMOTION - Original Price: $57500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	628,054 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	275893
MLS Number	12559718
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Tallahassee, FL, US
Sold By	Penske Used Trucks

27 0

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

Price Drop

$55,750 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	660,171 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	303813
MLS Number	13385608
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$60,250 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	560,911 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	337672
MLS Number	12718860
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$62,250 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	540,140 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	279976
MLS Number	13385573
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Mount Hope, OH, US
Sold By	Penske Used Trucks

24 0

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

Price Drop

$72,500 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	448,521 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	256560
MLS Number	13368983
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$50,500 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	698,545 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	256017
MLS Number	12466117
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Atlanta, GA, US
Sold By	Penske Used Trucks

23 0

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

$71,000 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	306,635 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	215054
MLS Number	13385525
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Dayton, NJ, US
Sold By	Penske Used Trucks

(713) 532-___ SHOW
NUMBERCall Seller

7 0

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

Price Drop

$36,999 USD

689383 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Taper Leaf Suspension, Sleeper Type: Raised Roof Sleeper, Wheels: All Steel,...

Condition	Used
Usage	689,383 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	Taper Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	20403
MLS Number	13384238
Category	Sleeper Semi Trucks
Last Updated	2/13/2025
Location	Humble, TX, US
Sold By	TCI Transportation

24 0

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

Price Drop

$70,500 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	510,968 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	Single Axle
Rear End	40,000 lb 2.27 ratio
Stock Number	717673
MLS Number	13383859
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

28 0

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

$33,500 USD

SPECIAL PROMOTION - Original Price: $38500.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...

Condition	Used
Usage	676,675 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	2/19/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks