Automatic Sleeper Semi Trucks with Cummins Engines For Sale

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2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

$56,900 USD

LOADED ULTRALOFT! 2021 Peterbilt 579 with a Cummins X15 450HP Engine; 12 Speed Automatic Transmission; Adaptive Cruise Control; Lane Departure; Collision Avoidance; Heated Mirrors; Air Slide...

Condition	Used
Usage	424,609 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680027
MLS Number	13777203
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	De Pere, WI, US
Sold By	JX Truck Center

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2021 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Automatic

$69,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE UNITS AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 442,376 MILES, APU ...

Condition	Used
Usage	442,376 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	5224
MLS Number	13542262
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2021 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Automatic

$72,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE UNITS AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 397,000 MILES, APU ...

Condition	Used
Usage	397,314 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	466024
MLS Number	13542261
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2021 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Automatic

$74,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE UNITS AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 366,946 MILES, APU ...

Condition	Used
Usage	366,946 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6022
MLS Number	13540152
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2022 Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 500HP, Automatic

$107,900 USD

CUMMINS POWERED! 500HP with an AUTOMATIC 18 Speed Transmission! 280in wheelbase with a spacious Single Bunk Sleeper! This truck is stocked with a Refrigerator; Microwave Prep; TV Prep; Hill...

Condition	Used
Usage	373,740 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.25 ratio
Stock Number	8679826
MLS Number	13486788
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Price Drop $39,000 USD

Used 2022 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 450HP diesel engine, 13-speed Eaton automatic transmission, tandem rear axle, 13200 lbs front axle,...

Condition	Used
Usage	606,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	464037
MLS Number	13401383
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Garden City, GA, US
Sold By	Penske Used Trucks

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 13 Speed Automatic

Price Drop $60,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 330,346 miles, Cummins X15 diesel engine with 450 HP, 13-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	373,417 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	436539
MLS Number	14015870
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

(844) 435-___ SHOW
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2023 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, Automatic

$88,500 USD

2023 LT625, 191,276 miles, Cummins x15, STILL UNDER WARRANTY,

Condition	Used
Usage	191,276 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	357197
MLS Number	14080287
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Liverpool, NY, US
Sold By	Allegiance Trucks

(844) 624-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $84,950 USD

MULTIPLE NEXTGEN BODY STYLE MATCHING VIRGIN DRIVE TIRES, DIESEL APU, 2022 Kenworth T680 with 450HP Cummins X15 and Endurant 12-speed automatic. 76" raised roof double bunk sleeper with...

Condition	Used
Usage	334,953 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MONSTOCK
MLS Number	14025127
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $84,950 USD

MULTIPLE NEXTGEN BODY STYLE MATCHING VIRGIN DRIVE TIRES, DIESEL APU, 2022 Kenworth T680 with 450HP Cummins X15 and Endurant 12-speed automatic. 76" raised roof double bunk sleeper with...

Condition	Used
Usage	334,953 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CONSTOCK
MLS Number	14025126
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck with 780,679 miles, Cummins X15 400HP diesel engine, 11-speed Eaton automatic transmission, 73" integral sleeper, air ride suspension. See it...

Condition	Used
Usage	780,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3191P
MLS Number	13865245
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 776,023 miles, Cummins X15 400HP diesel engine, 11-speed Eaton automatic transmission, 73" integral sleeper, 13200 lbs front axle,...

Condition	Used
Usage	776,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3189P
MLS Number	14079776
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 778,703 miles, 400 HP Cummins X15 diesel engine, 11-speed Eaton automatic transmission, 73" integral sleeper, 24,000 lb front axle,...

Condition	Used
Usage	778,748 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3188P
MLS Number	13867799
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 738,099 miles, 400 HP Cummins X15 diesel engine, 11-speed Eaton automatic transmission, 73" integral sleeper, air ride suspension....

Condition	Used
Usage	738,099 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3186P
MLS Number	14079775
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 400HP diesel engine, 11-speed automatic Eaton transmission, 13200 lbs front axle, 40000 lbs single...

Condition	Used
Usage	777,738 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3185P
MLS Number	13867798
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck, 774,746 miles, Cummins X15 diesel engine with 400 HP, 11-speed Eaton automatic transmission, 73" integral sleeper, 24,000 lb front axle,...

Condition	Used
Usage	774,749 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3182P
MLS Number	13879367
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 780,418 miles, Cummins X15 diesel engine, 400 HP, 11-speed Eaton automatic transmission, 73" integral sleeper, 13200 front axle,...

Condition	Used
Usage	780,420 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3181P
MLS Number	13867796
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2021 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

$28,250 USD

Used 2021 International LT625 Single Axle Sleeper Semi Truck for sale, 782,720 miles, Cummins X15 Diesel engine, 400 HP, 73" integral sleeper, 11-speed Eaton automatic transmission. Come see...

Condition	Used
Usage	782,720 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3180P
MLS Number	14079774
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

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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	13852450
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

$38,500 USD

Used 2020 International LT625 Sleeper Semi Truck with 431,511 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	431,511 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	359605
MLS Number	12671182
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Obetz, OH, US
Sold By	Penske Used Trucks

2020 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

Price Drop $26,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 759,338 miles, 400 HP Cummins X15 engine, 11-speed Eaton automatic transmission, 73" integral sleeper, 13,200 lb front axle, 40,000...

Condition	Used
Usage	759,338 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3073P
MLS Number	13687472
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2020 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

Price Drop $26,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 764,521 miles, Cummins X15 400HP diesel engine, 11-speed Eaton automatic transmission, 73" integral sleeper, 23' wheelbase, single...

Condition	Used
Usage	764,523 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3063P
MLS Number	13687464
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2020 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

Price Drop $26,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 752,248 miles, Cummins X15 diesel engine with 400 HP, 11-speed Eaton automatic transmission, 73" integral sleeper, single rear axle...

Condition	Used
Usage	752,248 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3013P
MLS Number	13687450
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

2020 International LT625 Single Axle Sleeper Semi Truck - 73" Integral Sleeper, Cummins 400HP, 11 Speed Automatic

Price Drop $26,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 754,057 miles, 400 HP Cummins X15 engine, 11-speed Eaton automatic transmission, 73" integral sleeper, single rear axle, air ride...

Condition	Used
Usage	754,057 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	40,000 lb 2.31 ratio
Stock Number	3009P
MLS Number	13687449
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks