6x4 Sleeper Semi Trucks For Sale in United States

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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	1/7/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

Featured Item

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$54,999 USD

FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	474,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

2005 Peterbilt 387 Sleeper Semi Truck - Raised Roof Sleeper, Caterpillar 668HP, 18 Speed Manual

$22,999 USD

CATERPILLAR MOTOR 668HP -- 18SPD TRANSMISSION - DOUBLE BUNK SLEEPER - TANDEM AXLE - FRIDGE,

Condition	Used
Usage	752,803 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	668 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	D879063
MLS Number	13788525
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

2020 International LoneStar Sleeper Semi Truck - Flat Top Sleeper, Cummins 605HP, 18 Speed Manual

$69,999 USD

CUMMINS X15 605 HP - 18 SPD MANUAL - FLAT TOP - 302,859 MILES - DUAL ALUMINUM TANKS - AIR RIDE - SINGLE BUNK,

Condition	Used
Usage	302,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	605
MLS Number	13630297
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 09/19/2022, LEAD TRUCK,

Condition	Used
Usage	5,631 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 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	1718
MLS Number	14044092
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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Featured Item

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$95,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,

Condition	Used
Usage	5,326 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 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	1714
MLS Number	14044040
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

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Featured Item

2022 Volvo VNL64T760 Sleeper Semi Truck - 76" Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Automatic

$69,900 USD

Manufacturer’s Engine Warranty: Balance of VOLVO 5 Year/500,000 Mile Plan 2 and Major Components Warranty. In Service: 3/17/2021,

Condition	Used
Usage	12,027 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	Raised Roof Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	1712
MLS Number	14044011
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(903) 670-___ SHOW
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Featured Item

2019 Peterbilt 579 Sleeper Semi Truck

$30,000 USD

We have 4 2019 Peterbilt 579 with a MX13 under 500,000 miles. These trucks have a 12-speed automatic transmission, good rubber with disc brakes. We have 4 unit available and ready to go on...

Warranty

Quantity	4
Condition	Used
Usage	442,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	380 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Sleeper Type	Ultracab Unibilt
Sleeper Size	80"
MLS Number	14028244
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Athens, TX, US
Sold By	Athens Trailer & Truck Sales, LLC.

(443) 453-___ SHOW
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Featured Item

2016 Freightliner Cascadia Sleeper Semi Truck

$18,000 USD

Been in business for 8 years had 7 trucks decided to get out of business and go back to school sold 6 this my last one left. Very good truck this was my truck that I drove made me lots of...

Condition	Used
Usage	785,284 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
MLS Number	14023426
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	gambrills, MD, US
Sold By	T.a.y LLc

(707) 849-___ SHOW
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Featured Item

2020 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 13 Speed Manual

$115,000 USD

2020 Peterbilt 389 Flat Top Sleeper Well Maintained, ready for work 440k Miles, Cummins X15 Engine, 565HP, 13 Speed, Locker, 52350lb GVW,

Condition	Used
Usage	440,289 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13773412
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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2010 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 13 Speed Manual

$18,900 USD

Detroit DD15 505 HP, Eaton Fuller RTLO-16913A Transmission, Meritor rears 3.58 ratio, air ride suspension, 244" wheel base, air slide 5th wheel, 11R22.5 tires on aluminum wheels, painted...

Condition	Used
Usage	760,451 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	952
MLS Number	14000089
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

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Featured Item

2010 Kenworth T660 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 10 Speed Amt

$26,900 USD

2010 Kenworth T660, ISX15 450 hp Cummins, 10 speed automatic transmission, 3.55 rear end ratio, air ride suspension, half fenders over drives, aluminum wheels, fender mirrors, painted visor,...

Condition	Used
Usage	777,108 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	4821
MLS Number	14000088
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(833) 658-___ SHOW
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Featured Item

2007 Peterbilt 379 Sleeper Semi Truck, Semi Over the Road, Delivery, Hauler, Day Cab, Tractor, Trucking, Tandem Axle, Unibilt Ultracab, Cat Engine

$159,999 USD

2007 Peterbilt 379 Ultrabilt Sleeper Stock: 676674, VIN:1XP5DB9X97N676674, Year: 2007, Make: Peterbilt, Model: 379, Engine: Cat Engine C15, Mileage: 33995, Horsepower: 475HP, Fuel...

Condition	Used
Usage	33,995 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar 3306/C15/C16
Drivetrain	6x4
Transmission	18 Speed Manual
Rear End	40,000 lb
Stock Number	676674
MLS Number	13839891
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

Featured Item

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$34,999 USD

729000 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	729,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
MLS Number	13767221
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(909) 775-___ SHOW
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2015 PETERBILT 389 Conventional Long Hood & Long W.B., Tandem Axle, Semi Sleeper Truck, Double frame, 46k Rear Axles.

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

Newly Listed

$79,900 USD

2020 Kenworth T800, 162K miles, Cummins X15, 10-speed manual just got off a lease from oilfield service. PTO kit and blower included. Fleet maintained, tight, and DOT ready. No rebuilt title...

Condition	Used
Usage	162,359 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	L20434
MLS Number	14078404
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

(702) 452-___ SHOW
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2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

Newly Listed

$79,900 USD

2020 Kenworth T800, 162K miles, Cummins X15, 10-speed manual just got off a lease from oilfield service. PTO kit and blower included. Fleet maintained, tight, and DOT ready. No rebuilt title...

Condition	Used
Usage	162,352 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	L20434
MLS Number	14078356
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(702) 452-___ SHOW
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2020 Kenworth T800 Sleeper Semi Truck - Cummins 450HP, 10 Speed Manual

Newly Listed

$80,000 USD

182859 Miles, Engine: CUMMINS ISX15, 450 HP, Fuel Type: Diesel, 10 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Tandem Rear Axles

Condition	Used
Usage	182,859 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	L20435
MLS Number	14078243
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(480) 995-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Newly Listed

$67,900 USD

One owner truck, Fleet maintained, Contact Ed Gibbs,

Condition	Used
Usage	466,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2599
MLS Number	14078054
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	TCI Transportation

2020 Kenworth T680 Sleeper Semi Truck

Newly Listed

At auction Jan. 13

Rebuilt Salvage Title, Cummins X15, Eaton Automatic Transmission, stainless steel quarter fenders, “adaptive cruise fault” warning, APU has check engine fault (was not blue to get to start),...

Lot Number	2-10663
Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Stock Number	2-10663 (113)
MLS Number	14077960
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Wayland, MI, US
Listed By	Miedema Asset Management Group

2020 Mack Anthem Sleeper Semi Truck

Newly Listed

At auction Jan. 13

Quarter Fenders, Aluminum Headache Rack, Carrier APU with 9,845 Metered Hours (APU starts but runs rough at times and stalls), Small Hole in Drivers Seat, right side window is taped along...

Lot Number	2-10512
Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Engine Model	Mack MP8
Drivetrain	6x4
Stock Number	2-10512 (113)
MLS Number	14077953
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Wayland, MI, US
Listed By	Miedema Asset Management Group

2020 Volvo VNL Sleeper Semi Truck

Newly Listed

At auction Jan. 13

General Description:Carrier APU (APU not working), Mini Fridge in Sleeper, Lower Bed Converts to Table with Bench Seating, Scattered Scratches, Missing Trim Piece on DEF Tank Cap Cover, Fan...

Lot Number	2-10505
Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX15L
Drivetrain	6x4
Stock Number	2-10505 (113)
MLS Number	14077947
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Wayland, MI, US
Listed By	Miedema Asset Management Group

2020 Mack Anthem Sleeper Semi Truck

Newly Listed

At auction Jan. 13

General Description:Quarter Fenders, Aluminum Headache Rack, Carrier APU with 4,955 Metered Hours (APU Runs and Works), Small Hole in Drivers Seat, Check Dash Light On with Missing...

Lot Number	2-10501
Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Engine Model	Mack MP8
Drivetrain	6x4
Stock Number	2-10501 (113)
MLS Number	14077940
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Wayland, MI, US
Listed By	Miedema Asset Management Group

2020 Volvo VNL Sleeper Semi Truck

Newly Listed

At auction Jan. 13

General Description: Front Bumper Guard, Mini Fridge and Microwave in Sleeper, Interior Has Scattered Trash/Personal Items, Dent/Scrapes on Passenger Door and Right Behind It, Crack in Lower...

Lot Number	2-10478
Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Stock Number	2-10478 (113)
MLS Number	14077933
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Wayland, MI, US
Listed By	Miedema Asset Management Group