12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

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43 0

2022 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$77,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** 2022 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 378,279 MILES, FLEET MAINTAINED ...

Condition	Used
Usage	348,279 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	5077
MLS Number	14029224
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

28 0

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$55,250 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 572,538 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle....

Condition	Used
Usage	572,538 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	489553
MLS Number	14053590
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	San Diego, CA, US
Sold By	Penske Used Trucks

23 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 470HP, 12 Speed Automatic

$72,500 USD

Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck, 72" integral sleeper, Cummins X15 diesel engine with 470 HP, 12-speed Eaton automatic transmission, tandem rear axle. Come see today.

Condition	Used
Usage	508,472 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Cummins X15
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	429661
MLS Number	14015818
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Torrance, CA, US
Sold By	Penske Used Trucks

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33 0

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

$62,500 USD

Inspection Report

Condition	Used
Usage	385,614 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	505314
MLS Number	14053534
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	International Motors, LLC

2 0

2022 International LT625 Sleeper Semi Truck - 56" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$73,000 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 335,875 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 56" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	357,299 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	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	427071
MLS Number	13603838
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

24 0

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$39,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 521,251 miles, 450 HP Cummins X15 diesel engine, 73" integral sleeper, 12-speed Eaton automatic transmission, tandem rear axle, air...

Condition	Used
Usage	521,251 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	372092
MLS Number	14053312
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Louisville, KY, US
Sold By	Penske Used Trucks

29 3

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$63,950 USD

Take a look at this 2022 Kenworth T880 powered by a Cummins X15 rated at 450 HP and paired with an Endurant 12-speed automated transmission with a 2.85 ratio, set up for efficient highway...

Condition	Used
Usage	486,123 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10782
MLS Number	14040629
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

31 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! Thermo King APU!! Fridge! Inverter! Double Bunk! Bunk Heater! Heated Mirrors! 450HP Cummins! Automatic! Call American Motors Commerce City...

Condition	Used
Usage	10,768 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10761
MLS Number	13825430
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

31 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! Thermo King APU!! Fridge! Inverter! Double Bunk! Bunk Heater! Heated Mirrors! 450HP Cummins! Automatic! Call American Motors Commerce City...

Condition	Used
Usage	10,768 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10761
MLS Number	13825429
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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32 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! Tri Pac APU! Engine Brakes! Fridge! Inverter! 450HP Cummins! Automatic! Sliding 5th Wheel! Double Bunk! Heated Mirrors! USB Ports!...

Condition	Used
Usage	481,324 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10759
MLS Number	13825426
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

32 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! Tri Pac APU! Engine Brakes! Fridge! Inverter! 450HP Cummins! Automatic! Sliding 5th Wheel! Double Bunk! Heated Mirrors! USB Ports!...

Condition	Used
Usage	481,324 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10759
MLS Number	13825423
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

33 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! APU! Engine Brakes! Fridge! Inverter! 450HP Cummins! Automatic! Sliding 5th Wheel! Double Bunk! Heated Mirrors! USB Ports! Collision...

Condition	Used
Usage	485,274 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10758
MLS Number	13825422
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

33 1

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$42,950 USD

NEW BRAKES AND ROTORS!!! Walmart Fleet Maintained!! APU! Engine Brakes! Fridge! Inverter! 450HP Cummins! Automatic! Sliding 5th Wheel! Double Bunk! Heated Mirrors! USB Ports! Collision...

Condition	Used
Usage	485,274 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10758
MLS Number	13825420
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

24 0

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$45,000 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 450HP diesel engine, Eaton 12-speed automatic transmission, tandem rear axle, air ride suspension, 280...

Condition	Used
Usage	629,069 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	UPS235713
MLS Number	14051865
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Londonderry, NH, US
Sold By	Penske Used Trucks

23 0

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$44,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 643,620 miles, 73" integral sleeper, Cummins X15 450HP diesel engine, Eaton 12-speed automatic transmission, tandem rear axle, air...

Condition	Used
Usage	643,620 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	UPP236070
MLS Number	14051863
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

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1 0

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

$61,750 USD

Inspection Report

Condition	Used
Usage	440,030 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	505344
MLS Number	14051840
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

32 0

2020 International LT Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 400HP, 12 Speed Automatic

Price Drop

$34,950 USD

For Sale: 2020 International LT Sleeper Equipped with a 400hp Cummins X15, 12-Speed Automatic Transmission, 72” Raised Roof Double Bunk Sleeper, Dual Sleeper Windows, Hood Mirrors, Full...

Condition	Used
Usage	476,010 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	CO10785
MLS Number	13852500
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 478-___ SHOW
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34 0

2020 Kenworth T680 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$55,495 USD

2020 Kenworth T680 – Teal, Automatic, and Super Clean Just in! This 2020 Kenworth T680 is a great starter truck or fleet addition — powered by a Cummins ISX 450HP paired with a 12-speed...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX450
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	14927C
MLS Number	13852473
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

29 4

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$63,950 USD

Take a look at this 2022 Kenworth T880 powered by a Cummins X15 rated at 450 HP and paired with an Endurant 12-speed automated transmission with a 2.85 ratio, set up for efficient highway...

Condition	Used
Usage	484,747 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10775
MLS Number	13852454
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

29 4

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$63,950 USD

Take a look at this 2022 Kenworth T880 powered by a Cummins X15 rated at 450 HP and paired with an Endurant 12-speed automated transmission with a 2.85 ratio, set up for efficient highway...

Condition	Used
Usage	484,747 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10775
MLS Number	13852453
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

23 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$32,750 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 725,870 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	727,597 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 3.25 ratio
Stock Number	332753
MLS Number	14013540
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

22 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$42,250 USD

Used 2019 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	388,368 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 3.25 ratio
Stock Number	332624
MLS Number	14051527
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Essex, MD, US
Sold By	Penske Used Trucks

23 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$44,500 USD

Used 2019 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	375,102 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	332411
MLS Number	13775004
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Mebane, NC, US
Sold By	Penske Used Trucks

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6 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$45,750 USD

Inspection Report

Condition	Used
Usage	547,166 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505255
MLS Number	14049332
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Philadelphia, PA, US
Sold By	International Motors, LLC