6x4 Sleeper Semi Trucks For Sale in United States

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

Recently Updated

$57,900 USD

WARRANTY! This 2021 Peterbilt 579 only has 386k miles and has remaining factory warranty of 6years or 600k miles on engine; 6 years 600k miles on aftertreatment; and 5 years of towing if a...

Condition	Used
Usage	386,300 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	8680030
MLS Number	13777193
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Rockford, IL, US
Sold By	JX Truck Center

(833) 801-___ SHOW
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2013 Peterbilt 388 Sleeper Semi Truck - Flat Top Sleeper, Paccar 490HP, 13 Speed Manual

Recently Updated

$45,000 USD

GOOD TRUCK, RUNS GREAT, FULL GAUGE PACKAGE, FULL LOCKING REARS, DUAL EXHAUST, DUAL BREATHERS, DUAL AIR RIDE SEATS, TILT/TELE, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS,,

Condition	Used
Usage	589,133 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	490 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	13MX589FLAT388
MLS Number	13755641
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
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2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Price Drop $28,500 USD

NICE TRUCK, RUNS EXCELLENT, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel! FLEET MAINTAINED TRUCK!,

Condition	Used
Usage	629,268 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
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	22MX629T680
MLS Number	13612068
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

Price Drop $64,995 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	1/30/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Price Drop $67,995 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	1/30/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Price Drop $69,995 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	1/30/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, Amt

Price Drop $57,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / MIDROOF / FLEET MAINTAINED / FINANCING AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 432,227 MILES, FLEET MAINTAINED, READY TO...

Condition	Used
Usage	432,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automated
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	5410
MLS Number	13436923
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(833) 637-___ SHOW
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2012 Kenworth T800 Sleeper Semi Truck - Cummins, Manual

Recently Updated

$73,500 USD

2012 Kenworth T800, Cummins ISX12 350hp, FRO16210C Manual 10 speed Transmission, 4.63 Ratio, 200 wb, lockers,, 117,219 Original Miles, 15' gravel body, air gate, 42" sides, pintle hitch...

Condition	Used
Usage	11,716 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	350 HP
Engine Model	Cummins ISX11.9
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	28"
Suspension	Neway
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
MLS Number	12250425
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(833) 637-___ SHOW
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2012 Kenworth T800 Sleeper Semi Truck - Cummins 400HP, 10 Speed Manual

Recently Updated

$47,500 USD

2012 Kenworth T800, 115,119 miles, Cummins ISX12 400 hp engine, Eaton Fuller 10 speed transmission. diff lock, 3.90 ratio, 12,000 front, 44,000 rear, 200 wheelbase, Neway Suspension, power...

Condition	Used
Usage	15,075 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX12
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Neway
Rear Axle	Tandem Axle
Rear End	44,000 lb 3.90 ratio
MLS Number	12142460
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

(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	355,641 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	31946
MLS Number	13766458
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Gary, IN, US
Sold By	Schneider

(844) 435-___ SHOW
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2026 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins

Newly Listed

Contact for price

2194 Miles, Engine: CUMMINS, Fuel Type: Diesel, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Tandem Rear Axles, Front Axle Weight: 12.350 lb, Rear Axle Weight: 40.000 lb

Condition	New
Usage	2,194 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	40 lb
Stock Number	361907
MLS Number	14116654
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Liverpool, NY, US
Sold By	Allegiance Trucks

(833) 781-___ SHOW
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2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Recently Updated

$58,700 USD

Condition	Used
Usage	447,496 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	52175
MLS Number	13847236
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Wilmer, TX, US
Sold By	Schneider

(844) 435-___ SHOW
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2026 International LT Sleeper Semi Truck - S13

Newly Listed

Contact for price

2188 Miles, Engine: INTERNATIONAL S13, Fuel Type: Diesel, Drive: 6x4, Rear Axle Weight: 40000 lb

Condition	New
Usage	2,188 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	International S13
Drivetrain	6x4
Rear End	40,000 lb
Stock Number	361908
MLS Number	14116651
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Liverpool, NY, US
Sold By	Allegiance Trucks

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

Newly Listed

$73,995 USD

2022 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 379,480 MILES, FLEET MAINTAINED MULTIPLE TRUCKS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE...

Condition	Used
Usage	379,480 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	5102
MLS Number	14116612
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(844) 985-___ SHOW
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2027 Peterbilt 589 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 565HP, Manual

Newly Listed

$224,326 USD

Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 280,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	2139919
MLS Number	14116554
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	DeForest, WI, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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2027 Peterbilt 589 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 565HP, Manual

Newly Listed

$224,326 USD

Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 280,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	2139993
MLS Number	14116549
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	DeForest, WI, US
Sold By	JX Truck Center

(844) 956-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

Contact for price

Paccar MX-13 6 Cylinder 12.9 L Ultra Low Sulfur Diesel 455 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Engine Coolant Heater, 100 gal Left Fuel Tank 100 gal Right Fuel Tank,...

Condition	Used
Usage	480,424 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	C5370
MLS Number	14097582
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(833) 254-___ SHOW
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2016 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 13 Speed Manual

Recently Updated

$22,500 USD

Condition	Used
Usage	1,086,012 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb
Stock Number	04266
MLS Number	14080250
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Jacksonville, FL, US
Sold By	CMD Trailer Sales & Leasing Inc.

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$68,750 USD

Inspection Report

Condition	Used
Usage	272,627 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.79 ratio
Stock Number	505690
MLS Number	14116366
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$61,250 USD

Inspection Report

Condition	Used
Usage	421,036 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.79 ratio
Stock Number	505663
MLS Number	14116364
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$63,750 USD

Inspection Report

Condition	Used
Usage	372,794 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.79 ratio
Stock Number	505682
MLS Number	14116363
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$66,250 USD

Inspection Report

Condition	Used
Usage	324,337 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.79 ratio
Stock Number	505650
MLS Number	14116361
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$63,750 USD

Inspection Report

Condition	Used
Usage	350,943 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.79 ratio
Stock Number	505665
MLS Number	14116360
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed

$77,750 USD

Condition	Used
Usage	341,214 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505639
MLS Number	14116359
Category	Sleeper Semi Trucks
Last Updated	1/29/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC