Diesel 6x4 Sleeper Semi Trucks For Sale in United States

Featured Item

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2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, Automatic

Recently Updated

$67,999 USD

326446 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230,...

Condition	Used
Usage	326,446 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	8679803
MLS Number	13483904
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Wyoming, MI, US
Sold By	JX Truck Center

Featured Item

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2022 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, Automatic

Recently Updated

$74,999 USD

267524 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Tires:...

Condition	Used
Usage	267,524 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	38,000 lb 2.85 ratio
Stock Number	8679721
MLS Number	13483900
Category	Sleeper Semi Trucks
Last Updated	4/25/2025
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

Featured Item

31 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, Automatic

Recently Updated

$67,999 USD

344247 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230,...

Condition	Used
Usage	344,247 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	8679801
MLS Number	13458835
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

Featured Item

31 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, Automatic

Recently Updated

$67,999 USD

354393 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230,...

Condition	Used
Usage	354,393 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	8679802
MLS Number	13458834
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

Featured Item

31 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$62,999 USD

410980 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230,...

Condition	Used
Usage	410,980 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
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	8679733
MLS Number	13400926
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Wyoming, MI, US
Sold By	JX Truck Center

Featured Item

33 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$62,999 USD

448755 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 228,...

Condition	Used
Usage	448,755 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8679692
MLS Number	13400921
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Wyoming, MI, US
Sold By	JX Truck Center

Featured Item

32 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$64,999 USD

404650 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230,...

Condition	Used
Usage	404,650 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
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	8679734
MLS Number	13383930
Category	Sleeper Semi Trucks
Last Updated	4/25/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

Featured Item

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2022 Kenworth W900 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 525HP

Recently Updated

$137,999 USD

261776 Miles, Engine: CUMMINS X15, 525 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Wheel Base: 274, Tandem...

Condition	Used
Usage	261,776 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.42 ratio
Stock Number	8679682
MLS Number	13374679
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Wyoming, MI, US
Sold By	JX Truck Center

Featured Item

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2023 Kenworth W900 Sleeper Semi Truck - 86" Mid Roof Sleeper, Cummins 565HP

Recently Updated

$157,999 USD

221440 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 86, Wheel Base: 290, Tandem...

Condition	Used
Usage	221,440 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	86"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	8679607
MLS Number	13157245
Category	Sleeper Semi Trucks
Last Updated	4/22/2025
Location	Pewaukee, WI, US
Sold By	JX Truck Center

(855) 278-___ SHOW
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2002 Freightliner FLD120 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 500HP, 9 Speed Manual

$43,900 USD

2002 Freightliner Classic XL, Detroit Series 60 12.7L 430/500hp, 9 spd, Jakes, Maintenance records, 300k mi. On clutch Injectors (receipts), 97k mi. on overhaul (note in file), 3.70 ratio,...

Condition	Used
Usage	341,577 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC III
Drivetrain	6x4
Transmission	9 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	28806
MLS Number	13461583
Category	Sleeper Semi Trucks
Last Updated	4/21/2025
Location	Signal Hill, CA, US
Sold By	Pacific Trux

(844) 292-___ SHOW
NUMBERCall Seller

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21 0

2016 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

$110,000 USD

(SALE PENDING) SUPER CLEAN WELL MAINTAINED, 2016 PETERBILT 389, EQUIPPED WITH A CUMMINS 500 HPISX15,FULLER 18 SPEED,WET KIT, NO LEAKS, NO RUST, RUNS AND DRIVES GREAT. CALL FOR MORE INFO

Condition	Used
Usage	9,983 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	4.88 ratio
Stock Number	25-48128
MLS Number	13363241
Category	Sleeper Semi Trucks
Last Updated	4/15/2025
Location	SANTA ROSA, CA, US
Sold By	Seaton Machinery

(844) 693-___ SHOW
NUMBERCall Seller

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$44,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	641,213 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	323
MLS Number	13441124
Category	Sleeper Semi Trucks
Last Updated	4/11/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

Featured Item

19 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$39,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	664,342 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	320
MLS Number	13433607
Category	Sleeper Semi Trucks
Last Updated	4/11/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 241-___ SHOW
NUMBERCall Seller

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40 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

Price Drop

$69,995 USD

See our Used 2021 Freightliner Cascadia 126 sleeper for sale at Freightliner of Broward in Pompano Beach, Florida!This Unit is powered by a Detroit Diesel DD15 14.8L engine with 400...

Condition	Used
Usage	451,782 Miles
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MLMJ5049
MLS Number	13486106
Category	Sleeper Semi Trucks
Last Updated	4/23/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(844) 793-___ SHOW
NUMBERCall Seller

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6 0

2006 Kenworth W900 Sleeper Semi Truck

$39,000 USD

Compete overhaul with all paperwork

Condition	Used
Usage	1,499,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Caterpillar 3406/C15/C16
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Double Bunk
Suspension	Air Ride
Stock Number	U15393
MLS Number	13248433
Category	Sleeper Semi Trucks
Last Updated	3/19/2025
Location	Crestwood, IL, US
Sold By	Optima Truck & Trailer Sales Inc

(844) 278-___ SHOW
NUMBERCall Seller

Featured Item

20 0

2007 Peterbilt 379 Sleeper-Truck, C15 CAT 13 Spd. Trans

$92,500 USD

2007 Peterbilt 379, Stock: 7D650371, Miles: 954,489 showing, ~5,000 miles driven since the rebuild, Hours: 432 Since the overhaul, Platinum Rebuilt C15 Caterpillar Engine, 435 hp, New...

Condition	Used
Usage	954,489 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Unibilt
Sleeper Size	60"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	650371
MLS Number	12634694
Category	Sleeper Semi Trucks
Last Updated	4/10/2025
Location	Guthrie, OK, US
Sold By	Splash Sales LLC

(844) 693-___ SHOW
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17 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$44,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	567,537 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	346
MLS Number	13542957
Category	Sleeper Semi Trucks
Last Updated	4/27/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 348-___ SHOW
NUMBERCall Seller

1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed

$57,000 USD

Inspection Report

Condition	Used
Usage	384,316 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	500645
MLS Number	13542944
Category	Sleeper Semi Trucks
Last Updated	4/27/2025
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(844) 241-___ SHOW
NUMBERCall Seller

1 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

Price Drop

$75,995 USD

See our Used 2021 Freightliner Cascadia 126 sleeper for sale at Freightliner of Broward in Pompano Beach, Florida!This Unit is powered by a Detroit Diesel DD15 14.8L engine with 400...

Condition	Used
Usage	478,738 Miles
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	NLMX2758
MLS Number	13486105
Category	Sleeper Semi Trucks
Last Updated	4/27/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(866) 530-___ SHOW
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1 0

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

Newly Listed

$72,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE UNITS AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 442,000 MILES, APU ...

Condition	Used
Usage	442,000 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	4/26/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Center

(866) 530-___ SHOW
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1 0

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

Newly Listed

$78,995 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	397,000 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	4/26/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Center

(866) 530-___ SHOW
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50 0

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

Newly Listed

$79,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 371,893 MILES, APU, NEW TIRES, FLEET...

Condition	Used
Usage	371,893 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	7602
MLS Number	13542260
Category	Sleeper Semi Trucks
Last Updated	4/26/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Center

(833) 801-___ SHOW
NUMBERCall Seller

6 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Newly Listed

$25,000 USD

NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21INTL385LT
MLS Number	13542207
Category	Sleeper Semi Trucks
Last Updated	4/26/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

6 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Newly Listed

$25,000 USD

NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,

Condition	Used
Usage	387,468 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21INTL387LTPRO
MLS Number	13542205
Category	Sleeper Semi Trucks
Last Updated	4/26/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales