12 Speed Sleeper Semi Trucks For Sale

2551 - 2575 of 2,625 listings

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

$38,500 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 435,680 miles, Cummins X15 Diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle....

Condition	Used
Usage	435,680 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	359585
MLS Number	13619373
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	West Babylon, NY, US
Sold By	Penske Used Trucks

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2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$210,000 USD

NEW WESTERN STAR 49X 60 IN MID ROOF SLEEPER. 505HP DD15. NICE TRUCK THAT IS READY TO WORK

Condition	New
Usage	563 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	Flat Top Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	109849
MLS Number	13576917
Category	Sleeper Semi Trucks
Last Updated	8/1/2025
Location	Bowling Green, KY, US
Sold By	Boyd Truck Centers

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

$53,250 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 525,694 miles, 455 HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	525,694 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	394503
MLS Number	13674984
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$67,000 USD

Inspection Report

Condition	Used
Usage	349,052 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503366
MLS Number	13724873
Category	Sleeper Semi Trucks
Last Updated	10/2/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

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

$41,995 USD

Condition	Used
Usage	700,281 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	863496
MLS Number	13723995
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Springfield, MA, US
Sold By	Ryder

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2023 International LT Sleeper Semi Truck - 60" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Contact for price

449927 Miles, 7298 Hours, Engine: CUMMINS X15E, 450 HP, Fuel Type: Diesel, 12 Speed Endurant Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	7,298 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	C-36100
MLS Number	13722991
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

$45,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 620,894 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride suspension...

Condition	Used
Usage	620,894 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	364255
MLS Number	13431200
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

$44,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 579,566 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	579,566 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	333814
MLS Number	13717202
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Montgomery, NY, US
Sold By	Penske Used Trucks

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

Price Drop $61,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 60" integral sleeper, 455HP DD15AT engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, and 210...

Condition	Used
Usage	282,171 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352804
MLS Number	13714332
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	South Plainfield, NJ, US
Sold By	Penske Used Trucks

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

$67,900 USD

One Owner Fleet Maintained Truck, Contact Ed Gibbs for details,

Condition	Used
Usage	512,000 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 3.08 ratio
Stock Number	2266
MLS Number	13707427
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$59,500 USD

Inspection Report

Condition	Used
Usage	376,551 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503584
MLS Number	13707197
Category	Sleeper Semi Trucks
Last Updated	11/4/2025
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$99,900 USD

293452 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 70,...

Condition	Used
Usage	293,452 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	23483
MLS Number	13703265
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

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2023 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

Price Drop $61,210 USD

Inspection Report

Condition	Used
Usage	269,734 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 3.08 ratio
Stock Number	502924
MLS Number	13702802
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

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

$54,000 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 455HP DD15AT engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle, air ride suspension, 220 gal...

Condition	Used
Usage	562,411 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	464140
MLS Number	13680275
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Neenah, WI, US
Sold By	Penske Used Trucks

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2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, 450HP, 12 Speed Automatic

$31,500 USD

Condition	Used
Usage	501,582 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	A26
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	423127
MLS Number	13690425
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Byron Center, MI, US
Sold By	Penske Used Trucks

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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$56,750 USD

Inspection Report

Condition	Used
Usage	443,596 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503364
MLS Number	13687614
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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

Price Drop $50,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 572,430 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic Detroit transmission, tandem rear axle,...

Condition	Used
Usage	572,430 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	351774
MLS Number	13677448
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Houston, MS, US
Sold By	Penske Used Trucks

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2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$37,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 567,865 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	567,865 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 2.64 ratio
Stock Number	UPS235018
MLS Number	13669030
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

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

Price Drop $56,250 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 271,550 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	271,550 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	254273
MLS Number	13662312
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Hammond, LA, US
Sold By	Penske Used Trucks

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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$54,250 USD

Inspection Report

Condition	Used
Usage	421,605 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	502625
MLS Number	13649321
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

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2020 Western Star 5700XE Sleeper Semi Truck - 82" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$24,000 USD

SUPER NICE RIDE/ BIG HORSEPOWER! VERY GOOD TRUCK/ WELL MAINTAINED, RUNS GREAT, CLEAN, AIR SEATS, AIR BRAKES, DIAMOND INTERIOR, DUMP VALVE, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL, POWER WINDOWS...

Condition	Used
Usage	815,202 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	Raised Roof Sleeper
Sleeper Size	82"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	20DET815WS
MLS Number	13644958
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2023 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

$62,000 USD

Inspection Report

Condition	Used
Usage	285,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 3.08 ratio
Stock Number	502922
MLS Number	13641988
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

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2019 Western Star 5700XE Sleeper Semi Truck - 82" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$20,000 USD

VERY GOOD TRUCK/ WELL MAINTAINED, RUNS GREAT, CLEAN, AIR SEATS, AIR BRAKES, DIAMOND INTERIOR, DUMP VALVE, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL, POWER WINDOWS, POWER DOOR LOCKS!,

Condition	Used
Usage	954,964 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	Raised Roof Sleeper
Sleeper Size	82"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	19DET954WS
MLS Number	13637920
Category	Sleeper Semi Trucks
Last Updated	11/10/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2019 Kenworth T680 Sleeper Semi Truck - 76" Integral Sleeper, Paccar 455HP, 12 Speed Automatic

$37,750 USD

Used 2019 Kenworth T680 Sleeper Semi Truck for sale, 454,387 miles, 455 HP Paccar MX13 diesel engine, 12-speed automatic transmission, 76" integral sleeper, tandem rear axle, 210-gallon fuel...

Condition	Used
Usage	454,387 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	703171
MLS Number	12360734
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Akron, OH, US
Sold By	Penske Used Trucks

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2019 Kenworth T680 Sleeper Semi Truck - 76" Integral Sleeper, Paccar 450HP, 12 Speed Automatic

Price Drop $38,000 USD

Used 2019 Kenworth T680 Sleeper Semi Truck for sale, 438,317 miles, 450 HP Paccar MX13 diesel engine, 76" integral sleeper, 12-speed automatic transmission, tandem rear axle, 12,000 lb front...

Condition	Used
Usage	438,317 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Paccar MX13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	703170
MLS Number	12360733
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Akron, OH, US
Sold By	Penske Used Trucks

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