Used 6x4 Sleeper Semi Trucks For Sale in United States

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Featured Item

2016 International ProStar Sleeper Semi Truck - 56" Mid Roof Sleeper, N13 450HP, 10 Speed Manual

$28,500 USD

LOW MILES~ 2016 INTERNATIONAL PROSTAR 56" MID ROOF SLEEPER, IHC N-13 450 HP DIESEL ENGINE, EATON FULLER 10SP TRANSMISSION, AIR RIDE SUSPENSION, REAT TIRES SUPER SINGLES, A/C, P/S,, APU UNIT...

Condition	Used
Usage	603,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International N13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	118110
MLS Number	14530339
Category	Sleeper Semi Trucks
Last Updated	8/12/2026
Location	Findlay, OH, US
Sold By	Brechbuhler Truck Sales

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Featured Item

2016 International ProStar Sleeper Semi Truck - 56" Mid Roof Sleeper, N13 450HP, 10 Speed Manual

$28,500 USD

LOW MILES~ 2016 INTERNATIONAL PROSTAR 56" MID ROOF SLEEPER, IHC N-13 450 HP DIESEL ENGINE, EATON FULLER 10SP TRANSMISSION, AIR RIDE SUSPENSION, REAT TIRES SUPER SINGLES, A/C, P/S,, APU UNIT...

Condition	Used
Usage	603,165 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International N13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	118110
MLS Number	14407504
Category	Sleeper Semi Trucks
Last Updated	8/12/2026
Location	Canton, OH, US
Sold By	Brechbuhler Truck Sales

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Featured Item

2000 Peterbilt 379 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

$45,500 USD

2000 Peterbilt 379, 500hp Cummins N-14, 18spd Manual Transmission, 2 Million Mi - very clean - great running truck - but no service records, Air ride suspension, 260in Wheelbase, Nationwide...

Condition	Used
Usage	2,082,095 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins N14
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	36,000 lb
Stock Number	5985
MLS Number	14499029
Category	Sleeper Semi Trucks
Last Updated	7/29/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

Featured Item

2005 Peterbilt 379EXHD Sleeper Semi Truck

$59,000 USD

VERY COOL HOOD C15@550HP OVERHAULED @250K/18 SPD STD SHIFT REMAN 300K/REMAN REAR ENDS/TALL RUBBER/70" MIDROOF. FINANCING

Condition	Used
Usage	1,300,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Caterpillar c15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14479258
Category	Sleeper Semi Trucks
Last Updated	7/31/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

(406) 396-___ SHOW
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Featured Item

2021 Western Star 5700 XE Sleeper Semi Truck

$35,000 USD

600 hp Detroit, Transmission DT 12( replaced at 500,000) Tires 75-80% 11/22.5 all Michelin low profile 321 rear ends Herd Bumper 60 inch sleeper Has front end collision mitigation system...

Condition	Used
Usage	831,142 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit Diesel DD16
Drivetrain	6x4
MLS Number	14456343
Category	Sleeper Semi Trucks
Last Updated	6/29/2026
Location	Alberton, MT, US
Sold By	Private Party

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Featured Item

2006 Kenworth T600 Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 475HP, 13 Speed Manual

$16,900 USD

2006 Kenworth T600, Cat C15 Acert NEEDS HEAD GASKET, Eaton Fuller RTLO18913A transmission, air ride suspension, air slide 5th wheel, 11R22.5 tires on aluminum wheels, dual 120 gallon tanks,...

Condition	Used
Usage	952,500 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	5111
MLS Number	14432093
Category	Sleeper Semi Trucks
Last Updated	9/2/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

2001 Peterbilt 379EXHD Sleeper Semi Truck

Newly Listed

$55,000 USD

VERY COOL 2001 379EX:12.7@500HP/300K ON OVERHAUL WITH PAPERS/18 SPD STD TRANS./3.55/70" CUSTOM SLEEPER/282"WB/LOADED/WILL BE DETAILED

Condition	Used
Usage	1,700,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit 12.7
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Medium High Roof
Sleeper Size	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	0382
MLS Number	14588867
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

2021 Kenworth T680 Sleeper Semi Truck

Newly Listed

$52,900 USD

CUMMINS POWER: KENWORTH T680: CUMMINS X15 @ 400 HP/12 SPD ASHIFT/76" RR SLEEPER/FCAM/VERY CLEAN FLEET TRACTOR.

Quantity	5
Condition	Used
Usage	17,314 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Stock Number	0410
MLS Number	14588866
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

2021 Kenworth T680 Sleeper Semi Truck

Newly Listed

$52,900 USD

CUMMINS POWER: KENWORTH T680: CUMMINS X15 @ 400 HP/12 SPD ASHIFT/76" RR SLEEPER/FCAM/VERY CLEAN FLEET TRACTOR.

Quantity	5
Condition	Used
Usage	17,314 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Stock Number	0410
MLS Number	14588865
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

2021 Kenworth T680 Sleeper Semi Truck

Newly Listed

$52,900 USD

CUMMINS POWER: KENWORTH T680: CUMMINS X15 @ 400 HP/12 SPD ASHIFT/76" RR SLEEPER/FCAM/VERY CLEAN FLEET TRACTOR.

Quantity	5
Condition	Used
Usage	17,314 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Stock Number	0410
MLS Number	14588864
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

2021 Kenworth T680 Sleeper Semi Truck

Newly Listed

$52,900 USD

CUMMINS POWER: KENWORTH T680: CUMMINS X15 @ 400 HP/12 SPD ASHIFT/76" RR SLEEPER/FCAM/VERY CLEAN FLEET TRACTOR.

Quantity	5
Condition	Used
Usage	17,314 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Stock Number	0410
MLS Number	14588863
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

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2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, Amt

Newly Listed

$60,000 USD

Great shape brand new tires all around new aluminum wheels on the outside steel wheels on the inside 470 horsepower dd13 engine 394,000 MI dt12 transmission very well kept ready to work I...

Condition	Used
Usage	11,392 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14588862
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Santa Rosa, CA, US
Sold By	Ben Kaplan Equipment

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2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Newly Listed

Contact for price

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Condition	Used
Usage	382,863 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7401
MLS Number	14588849
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2017 International LoneStar Sleeper Semi Truck

Newly Listed

$29,000 USD

NICE TRACTOR SOLD AS IS.

Condition	Used
Usage	640,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Stock Number	0461
MLS Number	14588845
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

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2004 Peterbilt 378 Sleeper Semi Truck - Flat Top Sleeper, Cummins 475HP, 8Ll Manual

Newly Listed

$39,500 USD

2004 Peterbilt 378, 475hp ISX, 8LL Manual Transmission, Air Ride Suspension, Nationwide Delivery Available

Condition	Used
Usage	697,623 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	8LL Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.88 ratio
Stock Number	7235
MLS Number	14588789
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$70,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Sliding 5th Wheel, Automatic Transmission, Espar Bunk Heater, 1500-Watt invertor, Refrigerator, TV Mounting Bracket, Opti Idle, Detroit...

Condition	Used
Usage	486,191 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3740
MLS Number	14588535
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 478-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 80" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

Contact for price

FLEET MAINTAINED SOUTHERN TRUCK,OWNER/OPERATER SPECS. SUPER CLEAN. 565HP / 2050TQ CUMMINS.18SPD.INVERTER,,

Condition	Used
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	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	7517
MLS Number	14588342
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 13 Speed Manual

Recently Updated

$92,900 USD

13 SPD MANUAL, Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/550,000 EW4 Coverage. In Service: 8/19/2022,

Condition	Used
Usage	11,325 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	1766
MLS Number	14571598
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 13 Speed Manual

Recently Updated

$89,900 USD

13 SPD MANUAL, Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/550,000 EW4 Coverage. In Service: 8/19/2022,

Condition	Used
Usage	10,647 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	1765
MLS Number	14571595
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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2025 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$87,900 USD

498030 Miles, 10321 Hours, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, 12 Speed Endurant Automatic Transmission, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	10,321 Hours
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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1764
MLS Number	14571588
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

Contact for price

2023 KENWORTH T680 GEN 2 SPEC'D OUT RIGHT. SEVERAL AVAIABLE! 455HP,AUTO TRANS .76" DOUBLE BUNK SLEEPER, BUNK HEATER, INVERTER, LOW MILES .BRAND NEW VIRGIN FIRESTONES! 2023 Kenworth T680 —...

Condition	Used
Usage	339,900 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7480
MLS Number	14565859
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 801-___ SHOW
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2018 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Amt

Price Drop $12,000 USD

NICE TRUCK, AIR SEAT, POWER WINDOWS, POWER MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL! *TRUCK WILL START BUT SMOKE OUT OF EXHAUST/ SELLS AS IS!,

Condition	Used
Usage	1,064,659 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	18DET106CAS
MLS Number	14565779
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

$24,000 USD

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

Condition	Used
Usage	753,086 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 2.79 ratio
Stock Number	20MX753T680
MLS Number	14557501
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

Recently Updated

$64,900 USD

CARRIER DIESEL APU, CLEAN FLEET MAINTAINED, 2023 INTERNATIONAL LT625, CUMMINS 450HP, EATON 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, GOOD RUBBER, INVERTER 53,200 GVWR, ALL ALLUMINUM RIMS, 228...

Quantity	8
Condition	Used
Usage	433,139 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7376
MLS Number	14543526
Category	Sleeper Semi Trucks
Last Updated	9/5/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd