12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

(844) 321-___ SHOW
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66 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

$59,900 USD

Automatic 12SPD Endurant, X15 Efficiency Series Engine, 400 H.P, YEAR END SPECIAL!!! - WAS $75,900 NOW $ 59,900 MUST GO,

Condition	Used
Usage	386,230 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1600
MLS Number	14043560
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

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 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension....

Condition	Used
Usage	626,933 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	UPS235760
MLS Number	14033481
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

(855) 717-___ SHOW
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44 1

2021 Kenworth T680 Sleeper Semi Truck - 74" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$57,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:,...

Condition	Used
Usage	437,881 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	Raised Roof Sleeper
Sleeper Size	74"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	N15237-DELIVERY 2 U
MLS Number	14017497
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

23 0

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

$30,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 666,477 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	666,477 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	338065
MLS Number	14030291
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

23 0

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

$42,500 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 399,278 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper. Check it out today.

Condition	Used
Usage	399,278 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	332625
MLS Number	14030216
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Essex, MD, US
Sold By	Penske Used Trucks

(844) 900-___ SHOW
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62 1

2022 International LT Sleeper Semi Truck - 71" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$42,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC 12-SPEED!!! CUMMINS X15, DEF, ENGINE BRAKE, SLEEPER WINDOW, SLIDING 5TH WHEEL, OFF ROAD, AIR RIDE, PDL LOCK, Se...

Condition	Used
Usage	584,865 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	L01354-DELIVERY 2 U
MLS Number	13568563
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(844) 900-___ SHOW
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56 1

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$43,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC 12-SPEED!!! CUMMINS X15, DEF, ENGINE BRAKE, SLEEPER WINDOW, SLIDING 5TH WHEEL, OFF ROAD, AIR RIDE, PDL LOCK, Se...

Condition	Used
Usage	529,008 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	L01342-DELIVERY 2 U
MLS Number	13557240
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(866) 530-___ SHOW
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38 0

2020 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$46,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** 2020 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 588,000 MILES, FLEET MAINTAINED ,...

Condition	Used
Usage	588,000 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2034
MLS Number	14029249
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(866) 530-___ SHOW
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1 0

2020 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

$59,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, IN TRANSIT FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT,...

Condition	Used
Usage	420,000 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	2457
MLS Number	14029231
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

31 0

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$50,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine, , 12-speed Eaton...

Condition	Used
Usage	365,207 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	133510
MLS Number	14029177
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

36 0

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$49,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine, , 12-speed Eaton...

Condition	Used
Usage	393,214 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	401415
MLS Number	14029118
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 216-___ SHOW
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28 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$50,500 USD

395,982 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Endurant Automatic, Double Bunk Sleeper, Aluminum wheels, Battery APU, Collision Mitigation System, 2.79 Ratio,...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399394
MLS Number	14028409
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

23 0

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

$38,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 778,771 miles, 450 HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	778,773 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	UPP235921
MLS Number	14028255
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Dallas, TX, US
Sold By	Penske Used Trucks

38 0

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$51,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine (can be increased to...

Condition	Used
Usage	353,128 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	397978
MLS Number	13963752
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 307-___ SHOW
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4 0

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

$62,500 USD

CUMMINS X1512 SPEED AUTOMATED APU

Inspection Report

Condition	Used
Usage	387,672 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	505312
MLS Number	14028237
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(888) 754-___ SHOW
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33 0

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

$67,000 USD

Inspection Report

Condition	Used
Usage	341,507 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	502972
MLS Number	14028230
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

37 0

2023 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$62,900 USD

2023 International LT625 – 1 Owner, Fleet Maintained International LT!, This is a very CLEAN truck! , 400HP Cummins X15 Engine, , 12-speed Eaton Endurant automatic transmission, , ...

Condition	Used
Usage	8,552 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	004871
MLS Number	13899896
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

24 0

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

$36,750 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 617474 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle,...

Condition	Used
Usage	621,204 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 2.80 ratio
Stock Number	321767
MLS Number	13586626
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Elkhart, IN, US
Sold By	Penske Used Trucks

33 0

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$59,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	272,435 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	133622
MLS Number	13866602
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 489-___ SHOW
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36 0

2022 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$68,000 USD

Price Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 450hp Cummins,12 speed Endurant transmission, Refrigerator, Disc Brakes,

Condition	Used
Usage	16,500 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2145
MLS Number	13881116
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

29 0

2022 International LT Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Amt

$58,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	297,982 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	172263
MLS Number	13816165
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 489-___ SHOW
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46 0

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), X15 Cummins 500HP/1850Tq, Carrier APU, Espar, Fridge, Refrigerator, 12 speed Endurant...

Condition	Used
Usage	483,065 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	2138
MLS Number	13881104
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
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26 0

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$54,000 USD

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), X15 Cummins 500HP/1850Tq,, Endurant 12 speed automated transmission, Carrier APU, Espar,...

Condition	Used
Usage	507,075 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.78 ratio
Stock Number	2137
MLS Number	13822651
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(844) 624-___ SHOW
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1 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$89,950 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	250,000 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	12/10/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks