Automatic 6x4 Sleeper Semi Trucks For Sale by Dealerships

(844) 687-___ SHOW
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Featured Item

2024 Kenworth T680 Sleeper Semi Truck - 52" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

Price Drop $87,950 USD

2024 Kenworth T680 – Low Miles, Long Warranty, Ready to Roll. This 2024 Kenworth T680 is a standout late-model sleeper with only 120,000 verified miles and exceptional factory warranty...

Condition	Used
Usage	120,165 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	CO11033
MLS Number	14053873
Category	Sleeper Semi Trucks
Last Updated	2/20/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(707) 849-___ SHOW
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Featured Item

2022 Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 10 Speed Ultrashift Automatic

Price Drop $83,500 USD

2022 Peterbilt 567 Flat Top Sleeper 218K miles, Paccar MX13 Engine, 455HP, Eaton Automatic Transmission, 52350lb GVW Excellent Shape ready for work,

Condition	Used
Usage	218,838 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14096949
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(833) 490-___ SHOW
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Featured Item

2022 Volvo VNL Sleeper Semi Truck, APU, D13 , 455HP , WARRANTY AND FINANCING AVAILABLE

$53,950 USD

Ready to hit the road in style and reliability? This 2022 Volvo VNL 760 sleeper is powered by a proven D13 engine delivering 455 horsepower, paired with 2.47 rears for excellent fuel...

Warranty

Condition	Used
Usage	10,322 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	U605486
MLS Number	14138506
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(844) 687-___ SHOW
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Tri State Truck Center - Springfield, MO

Featured Item

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$109,950 USD

2023 Freightliner Cascadia 126 Sleeper – Detroit DD15 450 HP, DT12 Automatic, 76” Raised Roof Double Bunk, 191K Miles This 2023 Freightliner Cascadia 126 is a well-maintained, Class 8...

Condition	Used
Usage	191,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109181
Category	Sleeper Semi Trucks
Last Updated	2/11/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(833) 490-___ SHOW
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Featured Item

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	497,005 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066841
MLS Number	13999606
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(833) 658-___ SHOW
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Featured Item

2025 Kenworth W990 Sleeper Semi Truck, Over the Road, Delivery, Hauler, Day Cab, Tractor, Trucking, Cummins Engine, Wet Kit, Headache Rack, Tandem

$169,999 USD

2025 Kenworth W990 Sleeper , Stock: 129952, VIN:1XK1D49X5SJ129952, Year: 2025, Make: Kenworth, Model: W990, Engine:Cummins X15 565 hp Engine, Mileage: 122031, Horsepower: 565HP,...

Condition	Used
Usage	2,277 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Transmission	10 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	129952
MLS Number	14047480
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(833) 490-___ SHOW
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Featured Item

2023 Freightliner Cascadia 126 Sleeper, New Drive Tires, FACTORY WARRANTY REMAINING , Cummins X15 Engine , 500HP !!! Fridge , Apu , Financing

$62,950 USD

For sale: a powerhouse 2023 Freightliner Cascadia with just 488,000 well-maintained miles, ready to tackle your heaviest hauls! Powered by the legendary Cummins X15 500HP engine paired with...

Warranty

Condition	Used
Usage	488,847 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	UUG1661
MLS Number	13999600
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Recently Updated

$89,700 USD

Condition	Used
Usage	381,315 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	31945
MLS Number	13779136
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Gary, IN, US
Sold By	Schneider

(502) 208-___ SHOW
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2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$87,000 USD

Inspection Report

Condition	Used
Usage	209,024 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	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	504253
MLS Number	13862263
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Louisville, KY, US
Sold By	International Motors, LLC

(315) 683-___ SHOW
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2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$88,500 USD

Inspection Report

Condition	Used
Usage	191,276 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	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	503568
MLS Number	13727611
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Liverpool, NY, US
Sold By	International Motors, LLC

(502) 208-___ SHOW
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2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$71,000 USD

Inspection Report

Condition	Used
Usage	300,627 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	73"
Suspension	Air Ride
Rear End	4,000 lb 2.79 ratio
Stock Number	503273
MLS Number	13651561
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Louisville, KY, US
Sold By	International Motors, LLC

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

Price Drop $67,500 USD

CUMMINS POWERED ULTRALOFT! 2023 Peterbilt 579 Double Bunk Sleeper with only 386k Miles is now available for sale! This unit is powered by a 450hp Cummins X15 Engine and Paired with a 12...

Condition	Used
Usage	386,250 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	8680294
MLS Number	14149537
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	New Haven, IN, US
Sold By	JX Truck Center

(844) 624-___ SHOW
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2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

Recently Updated

$42,950 USD

Just in this nice 2022 Kenworth T680 Sleeper, Diamond Interior, Dual Sleeper Doors with Slide Windows, Full Cabinets with Doors and Fridge, Double Bunk, Leather Air Ride Driver Seat, 13...

Condition	Used
Usage	502,760 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
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 2.64 ratio
Stock Number	CO11153
MLS Number	14137271
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2021 Kenworth T680 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$54,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, ENGINE BRAKE, DEF, MINI FRIDGE Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	441,986 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	N15324-DELIVERY 2 U
MLS Number	14108985
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2022 Kenworth T680 Sleeper Semi Truck - 71" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$64,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, ENGINE BRAKE, DEF, MINI FRIDGE Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	430,960 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	40,000 lb
Stock Number	N15295-DELIVERY 2 U
MLS Number	14097575
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2021 Kenworth T680 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$54,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, ENGINE BRAKE, DEF, MINI FRIDGE Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	491,900 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	N15291-DELIVERY 2 U
MLS Number	14097573
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2021 Kenworth T680 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$56,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** SLIDING 5TH WHEEL!!!!! AIR RIDE, ENGINE BRAKE, DEF, MINI FRIDGE Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	392,217 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	N15294-DELIVERY 2 U
MLS Number	14097570
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $54,900 USD

FULLY LOADED! This 2021 Peterbilt 579 is stacked with options and factory warranty! 6 Years or 600k Miles on Aftertreatment; 5 Years or 600k miles on Base; 6 Years or 600k miles on Engine! 5...

Condition	Used
Usage	300,133 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680090
MLS Number	14017308
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $57,900 USD

LOADED! This 2021 Peterbilt 579 is stacked with options and factory warranty! 6 Years or 600k Miles on Aftertreatment; 5 Years or 600k miles on Base; 6 Years or 600k miles on Engine! 5 Years...

Condition	Used
Usage	299,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680089
MLS Number	14004755
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $54,900 USD

LOADED! LOW MILE AND WARRANTY! The best of both worlds! This 2021 Peterbilt 579 is coming with a Strong 455hp MX13 with a 12 Speed Automatic Transmission; A Spacious 80in Ultraloft Double...

Condition	Used
Usage	332,113 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680213
MLS Number	13995807
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Wadsworth, IL, US
Sold By	JX Truck Center

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $57,900 USD

REMAINING FACTORY WARRANTY and LOADED! This 2021 Peterbilt 579 is stacked with options and factory warranty! 6 Years or 600k Miles on Aftertreatment; 5 Years or 600k miles on Base; 6 Years...

Condition	Used
Usage	294,846 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680088
MLS Number	13982347
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $54,900 USD

KNUCKLE DEEP TIRES! 2021 Peterbilt 579 with a DOT Inspection and only 310k miles with WARRANTY!! This 455hp 12 Speed Automatic Truck has heated mirrors; hood mirrors; air slide 5th wheel;...

Condition	Used
Usage	310,562 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680086
MLS Number	13963665
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Price Drop $54,900 USD

Remaining Warranty! This 2021 Peterbilt 579 is LOADED with options and Warranty. It has also been prepped with a DOT inspection so you're ready to hit the road right away! 6 Years or 600k...

Condition	Used
Usage	308,345 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680094
MLS Number	13963653
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	Pewaukee, WI, US
Sold By	JX Truck Center

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

Recently Updated

$65,900 USD

LOW MILE ULTRALOFT! This LOW MILE 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and paired with a 12 Speed Automatic Transmission! This unit has a spacious 80in Double Bunk...

Condition	Used
Usage	306,828 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 2.64 ratio
Stock Number	8680093
MLS Number	13943087
Category	Sleeper Semi Trucks
Last Updated	2/26/2026
Location	De Pere, WI, US
Sold By	JX Truck Center