Used 12 Speed Sleeper Semi Trucks For Sale by

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

$56,000 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

Condition	Used
Usage	482,811 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	3449
MLS Number	13539506
Category	Sleeper Semi Trucks
Last Updated	5/24/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 220-___ SHOW
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7 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$40,999 USD

Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or Navpreet Singh at ( We also have...

Condition	Used
Usage	587,149 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12348483
Category	Sleeper Semi Trucks
Last Updated	5/15/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

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10 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$70,000 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

Condition	Used
Usage	499,543 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	3650
MLS Number	13531496
Category	Sleeper Semi Trucks
Last Updated	5/1/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(888) 493-___ SHOW
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18 2

2022 Peterbilt 579 Sleeper Semi Truck

$84,900 USD

New Body-style Peterbilt 579 Ultraloft Sleeper Discover the ultimate long haul truck that combines power, comfort, and state-of-the-art technology. This new body style Peterbilt 579...

Condition	Used
Usage	361,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	UltraLoft
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1314335
MLS Number	13415006
Category	Sleeper Semi Trucks
Last Updated	5/14/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

(618) 286-___ SHOW
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16 0

2016 Western Star 5700XE SLP Sleeper Semi Truck

$35,900 USD

This Truck has had a Motor swap.. DD-15 505 HP Tunes 20k in receipts in recent work Cloth Interior- 536610 miles-, DD15-, Detroit-, 14.8 lt-, 455 HP-, Torque 1800-, DT12-, Automated-...

Condition	Used
Usage	535,610 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	Single Bunk
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	hg5614
MLS Number	12892052
Category	Sleeper Semi Trucks
Last Updated	5/16/2025
Location	Dupo, IL, US
Sold By	Genesis Equipment Leasing

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

Recently Updated

$54,500 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	605,477 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	305339
MLS Number	13562349
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Mount Pleasant, PA, US
Sold By	Penske Used Trucks

25 0

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

Price Drop

$67,000 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	404,552 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 3.23 ratio
Stock Number	353535
MLS Number	13498267
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Apopka, FL, US
Sold By	Penske Used Trucks

28 0

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$64,250 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	310,510 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	338935
MLS Number	13618298
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Montebello, CA, US
Sold By	Penske Used Trucks

(844) 956-___ SHOW
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106 2

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Recently Updated

$69,500 USD

Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 500 HP Engine, 2021 US EPA Label, Requires Diesel Exhaust Fluid, 120 gal Left Fuel Tank 150 gal Right Fuel Tank, Dual Leather Air Seats,...

Condition	Used
Usage	583,141 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	D2679
MLS Number	13604411
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

23 0

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

Recently Updated

$43,000 USD

SPECIAL PROMOTION - Original Price: $50000.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...

Condition	Used
Usage	550,331 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	258269
MLS Number	12728050
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Indian Trail, NC, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner T12662ST Single Axle Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$53,000 USD

6X2 POWERTRAIN 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	548,240 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	40,000 lb 3.08 ratio
Stock Number	258306
MLS Number	12843161
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Macon, GA, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$40,750 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	778,516 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	235671
MLS Number	13385549
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Duluth, GA, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$64,500 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	447,788 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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 3.08 ratio
Stock Number	234831
MLS Number	13593274
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Newnan, GA, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated

$33,750 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	665,471 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	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	228231
MLS Number	13073161
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$47,250 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	588,319 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	255461
MLS Number	13528564
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Duluth, GA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$40,250 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	681,684 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	255460
MLS Number	13500667
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Harrisonburg, VA, US
Sold By	Penske Used Trucks

24 0

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

Recently Updated

$54,250 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	460,833 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	255458
MLS Number	13481110
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Harrisonburg, VA, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$41,750 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	658,423 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	255456
MLS Number	13495457
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Harrisonburg, VA, US
Sold By	Penske Used Trucks

10 0

2019 International LT625 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$46,182 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	551,770 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	879965
MLS Number	13617342
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Atlanta, GA, US
Sold By	Ryder

17 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 36" Condo Sleeper, 12 Speed Automatic

Newly Listed

$61,477 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	524,458 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	861321
MLS Number	13617337
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Birmingham, AL, US
Sold By	Ryder

9 0

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

Newly Listed

$62,243 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	549,134 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	884732
MLS Number	13617328
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Memphis, TN, US
Sold By	Ryder

11 0

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

Newly Listed

$63,118 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	501,642 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT'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	881158
MLS Number	13617318
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Knoxville, TN, US
Sold By	Ryder

11 0

2019 International LT625 Sleeper Semi Truck - 72" Condo Sleeper, 450HP, 12 Speed Automatic

Newly Listed

$54,340 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	467,192 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	X15 GHG'17 450/1800
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	879967
MLS Number	13617312
Category	Sleeper Semi Trucks
Last Updated	6/1/2025
Location	Knoxville, TN, US
Sold By	Ryder

13 0

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

Newly Listed

$38,705 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
Usage	729,076 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	588976
MLS Number	13617298
Category	Sleeper Semi Trucks
Last Updated	5/31/2025
Location	St. Rose, LA, US
Sold By	Ryder