6x4 Sleeper Semi Trucks with Cummins Engines For Sale

(844) 435-___ SHOW
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18 0

2019 International HX Sleeper Semi Truck - 51" Flat Top Sleeper, Cummins 605HP, Manual

$79,900 USD

VERY NICE HEAVY SPEC AIR RIDE SMALL BUNK TRACTOR, WARRANTY REMAINING ON THE UNIT, FULL LOCKING 46 REARS, 18 SPEED TRANS, NEW RADIATOR, LIKE NEW RUBBER, 605 CUMMINS ,,

Condition	Used
Usage	392,611 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	51"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.90 ratio
Stock Number	242973
MLS Number	12115452
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Bangor, ME, US
Sold By	Allegiance Trucks

(833) 478-___ SHOW
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21 1

2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

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2020 PETERBILT 389 – 565HP X15 / 18-SPEED / 70" SLEEPER, Stock #7074 | 578,517 Miles | DOT Ready New arrival and hard to miss in acustom mint greenfinish. This2020 Peterbilt 389is spec’d...

Condition	Used
Usage	578,517 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	7074
MLS Number	14042646
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(855) 807-___ SHOW
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38 0

2022 Peterbilt 389 Sleeper Semi Truck - 68" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

$139,500 USD

CLEAN 2022 PETERBILT CUMMINS X15, 565HP, 18 SPEED TRANSMISSION, DUAL BREATHERS, DUAL STACKS, VIRGIN 24.5" RUBBER, 3.25 RATIOS, ALUMINUM WHEELS, CHICKEN LIGHTS, FRIDGE, MICROWAVE, COBRA CB...

Condition	Used
Usage	471,363 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	7129
MLS Number	13905979
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(833) 801-___ SHOW
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20 0

2016 International ProStar Sleeper Semi Truck - 75" Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual

$14,000 USD

WELL MAINTAINED TRUCK, RUNS AND DRIVES EXCELLENT! DOUBLE BUNK, DUAL AIR RIDE SEATS, CRUISE, SMART WHEEL, TILT/TELE, POWER WINDOWS, POWER MIRRORS, POWER DOOR LOCKS, DUMP VALVE, SLIDING 5TH!,...

Condition	Used
Usage	1,034,772 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	16ISX103PRO
MLS Number	14042019
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 985-___ SHOW
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68 0

2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 605HP, Manual

$104,900 USD

SHARP! 2020 Peterbilt 389 with all the right stuff and only 406k miles!! 605hp Cummins X15 Engine; 18 Speed Manual Transmission; Dual Exhaust; Stainless Steel Sun Visor; Meaty Tires; all...

Condition	Used
Usage	406,141 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	8680124
MLS Number	13963649
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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36 0

2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 605HP, Manual

$94,900 USD

605HP Cummins X15 Engine with an 18 Speed MANUAL Transmission! This workhorse has 46k rears a wheelbase of 270in and a ratio of 3.58. Dual Stacks; Tons of Chrome including visor; air slide...

Condition	Used
Usage	572,228 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46 lb 3.58 ratio
Stock Number	8680127
MLS Number	13963633
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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1 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Manual

$41,900 USD

Sharp 2020 Kenworth T680 with a 450hp Cummins X15 Engine and a 13 Speed MANUAL Transmission! Spacious 76in Double Bunk Sleeper! Heated Mirrors; Air Slide 5th Wheel; and air ride drivers...

Condition	Used
Usage	513,392 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	8680049
MLS Number	13963627
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Pewaukee, WI, US
Sold By	JX Truck Center

(833) 538-___ SHOW
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22 0

2019 Kenworth W900L Sleeper Semi Truck - Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

$83,900 USD

2019 Kenworth W900, Cummins X15, 18 spd transmission Wheelbase 278,

Condition	Used
Usage	545,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	294784
MLS Number	13963469
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 801-___ SHOW
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5 0

2015 International ProStar Sleeper Semi Truck - 75" Raised Roof Sleeper, Cummins 450HP, 10 Speed Manual

$13,000 USD

GOOD TRUCK, RUNS GREAT, DOUBLE BUNK, DUAL AIR RIDE SEATS, CRUISE, SMART WHEEL, TILT/TELE, POWER WINDOWS, POWER MIRRORS, POWER DOOR LOCKS, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	755,709 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	15ISX755PRO
MLS Number	13807730
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(877) 889-___ SHOW
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16 0

2018 International LT Sleeper Semi Truck - Cummins, 10 Speed Manual

$30,000 USD

Up for sale is a 2018 International LT 455, 432 Mileage, Call with any questions

Condition	Used
Usage	455,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Automatic
Stock Number	4401
MLS Number	13562324
Category	Sleeper Semi Trucks
Last Updated	12/13/2025
Location	Cedar City, UT, US
Sold By	Blue Point Sales

(833) 904-___ SHOW
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43 1

2011 Kenworth W900L Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, 10 Speed Ultrashift Amt

$49,500 USD

2011 Kenworth W900L Sleeper, 450hp Cummins ISX15, 10spd Automated Transmission, 1.4 Million Miles, Air Ride Suspension, 250in Wheelbase, 1 Line Wet Kit, Nationwide Delivery Available

Condition	Used
Usage	1,470,425 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automated
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7527
MLS Number	13971911
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(866) 530-___ SHOW
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32 0

2008 Peterbilt 367 Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

$50,000 USD

3W EQUIPMENT INVENTORY CHANGING DAILY - CALL AHEAD!! TRUCK QUALIFIES FOR A 12 MONTH - UNLIMITED MILES POWERTRAIN WARRANTY!!! LOW RATE FINANCING FOR BUSINESS AND INDIVIDUALS! JUST IN!!!...

Condition	Used
Usage	326,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15 485
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	JK2008
MLS Number	13798639
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(833) 478-___ SHOW
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29 4

2018 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 565HP, 13 Speed Manual

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2018 Peterbilt 389 – 565HP Cummins X15 / 13 Speed / Fresh Inframe w/ Paperwork Stock #14714 | DOT Ready | APU | Wetline Kit | Disc Brakes, Super cleancustom 389powered by aCummins X15...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	14714
MLS Number	13560062
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(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

32 0

2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 10 Speed Endurant Amt

$39,900 USD

2020 International LT625 – 1 Owner, Fleet Maintained LT!, This is one clean LT, fully equipped and ready to roll! , 450 HP Cummins X15 engine, , 10-speed Eaton Endurant automatic...

Condition	Used
Usage	407,874 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	400402
MLS Number	14029221
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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

(724) 704-___ SHOW
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2 0

2026 Peterbilt 567 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Amt

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JUST ARRIVED! UPDATED PHOTOS COMING SOON,

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	285001
MLS Number	14029131
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Eau Claire, PA, US
Sold By	Hunter Truck

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

(724) 704-___ SHOW
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2 0

2026 Peterbilt 589 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 525HP, 13 Speed Manual

Contact for price

JUST ARRIVED- PICTURES T/B UPDATED SOON,

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	285111
MLS Number	14028845
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(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

34 0

2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 10 Speed Endurant Amt

$33,900 USD

2020 International LT625 – CUMMINS POWERED with an APU!, 1 Owner, fleet maintained International—clean and road-ready! , 450 HP Cummins X15 engine, , 10-speed Eaton Endurant automatic...

Condition	Used
Usage	481,361 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.42 ratio
Stock Number	382743
MLS Number	13989488
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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