Gray 6x4 Sleeper Semi Trucks For Sale

(844) 693-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 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	530,519 Miles
Duty Class	Heavy Duty
Horse Power	475 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
Stock Number	1000
MLS Number	12645541
Category	Sleeper Semi Trucks
Last Updated	6/13/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(855) 717-___ SHOW
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22 1

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

Recently Updated

$38,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, AIR RIDE, AUTOMATIC, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 6 DAYS A WEEK!!!! Disclaimer:, “All...

Condition	Used
Usage	642,696 Miles
Duty Class	Heavy Duty
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
Stock Number	N14365-DELIVERY 2 U
MLS Number	12845204
Category	Sleeper Semi Trucks
Last Updated	7/13/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 489-___ SHOW
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41 0

2020 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

Recently Updated

$46,000 USD

includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 400 Hp Cummins, 12 speed Automated Transmission, 2 bunks,,

Condition	Used
Usage	393,733 Miles
Duty Class	Heavy Duty
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1825
MLS Number	12753211
Category	Sleeper Semi Trucks
Last Updated	7/13/2024
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

38 0

2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP

Recently Updated

$59,999 USD

426295 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 242, Tandem Rear Axles, Front...

Condition	Used
Usage	426,295 Miles
Duty Class	Heavy Duty
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
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	8679177
MLS Number	12605737
Category	Sleeper Semi Trucks
Last Updated	7/13/2024
Location	Hickory Hills, IL, US
Sold By	JX Truck Center

(833) 970-___ SHOW
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11 0

2025 Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 565HP

Newly Listed

Call for price

58" FLAT TOP,

Condition	New
Usage	11 Miles
Duty Class	Heavy Duty
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	272997
MLS Number	12982959
Category	Sleeper Semi Trucks
Last Updated	7/11/2024
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(844) 912-___ SHOW
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3 0

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

Newly Listed

$56,900 USD

* ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!! SLIDING 5TH WHEEL, TRAILER BRAKE, LIQUID DEF, NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Usage	475,099 Miles
Duty Class	Heavy Duty
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
Rear End	40,000 lb
Stock Number	H01317-DELIVERY 2 U
MLS Number	12982623
Category	Sleeper Semi Trucks
Last Updated	7/11/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(855) 949-___ SHOW
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27 0

2001 International 9400 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 430HP, 10 Speed Manual

Recently Updated

$12,500 USD

USED 2001 INTERNATIONAL 9400I 6X4 SLEEPER WITH A DETROIT DIESEL SERIES 60 12.7 LITER 370/430 HP

Condition	Used
Usage	845,962 Miles
Duty Class	Heavy Duty
Horse Power	430 HP
Engine Model	Detroit SERIES 60 12.7 DDEC II
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	ST1048
MLS Number	12949217
Category	Sleeper Semi Trucks
Last Updated	7/11/2024
Location	EDGEWATER, FL, US
Sold By	Florida Shores Truck Center

(833) 627-___ SHOW
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7 0

2020 Volvo VNL64T760 Sleeper Semi Truck - 76" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Automatic

Price Reduced

$69,900 USD

Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Work Station ✅, Road Ready ✅, ❌ STOP MAKING MONEY FOR OTHERS! ❌ Be your OWN BOSS, make your OWN money! If we can't...

Condition	Used
Usage	413,085 Miles
Duty Class	Heavy Duty
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift 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	251186
MLS Number	12617360
Category	Sleeper Semi Trucks
Last Updated	7/9/2024
Location	Donna, TX, US
Sold By	DeLucio USA

(833) 627-___ SHOW
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14 0

2020 Volvo VNL64T760 Sleeper Semi Truck - 76" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Automatic

Price Reduced

$69,900 USD

Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Work Station ✅, Road Ready ✅, ❌ STOP MAKING MONEY FOR OTHERS! ❌ Be your OWN BOSS, make your OWN money! If we can't...

Condition	Used
Usage	442,849 Miles
Duty Class	Heavy Duty
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift 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	251110
MLS Number	12617356
Category	Sleeper Semi Trucks
Last Updated	7/9/2024
Location	Donna, TX, US
Sold By	DeLucio USA

(833) 627-___ SHOW
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2 0

2020 Volvo VNL64T760 Sleeper Semi Truck - 76" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Automatic

Price Reduced

$69,900 USD

Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Work Station ✅, Road Ready ✅, ❌ STOP MAKING MONEY FOR OTHERS! ❌ Be your OWN BOSS, make your OWN money! If we can't...

Condition	Used
Usage	350,757 Miles
Duty Class	Heavy Duty
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift 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	251189
MLS Number	12617352
Category	Sleeper Semi Trucks
Last Updated	7/9/2024
Location	Donna, TX, US
Sold By	DeLucio USA

(833) 368-___ SHOW
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16 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

Recently Updated

$199,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NRJ364157
MLS Number	12921160
Category	Sleeper Semi Trucks
Last Updated	7/9/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

(833) 368-___ SHOW
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16 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

Recently Updated

$199,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NRJ364154
MLS Number	12921159
Category	Sleeper Semi Trucks
Last Updated	7/9/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

(855) 807-___ SHOW
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42 0

2018 Peterbilt 579 Sleeper Semi Truck - 60" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

$79,500 USD

266755 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 60, Tires: 24.5,...

Quantity	2
Condition	Used
Usage	266,755 Miles
Duty Class	Heavy Duty
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6823
MLS Number	12973359
Category	Sleeper Semi Trucks
Last Updated	7/6/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

21 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP

$55,999 USD

463315 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 232, Tandem Rear Axles, Front...

Condition	Used
Usage	463,315 Miles
Duty Class	Heavy Duty
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
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	8679318
MLS Number	12803738
Category	Sleeper Semi Trucks
Last Updated	7/6/2024
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

20 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP

$55,999 USD

452991 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 232, Tandem Rear Axles, Front...

Condition	Used
Usage	452,991 Miles
Duty Class	Heavy Duty
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
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	8679317
MLS Number	12803722
Category	Sleeper Semi Trucks
Last Updated	7/6/2024
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

37 0

2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP

$49,999 USD

412729 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 80, Wheel Base: 240, Tandem Rear Axles, Front...

Condition	Used
Usage	412,729 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
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	8679275
MLS Number	12766052
Category	Sleeper Semi Trucks
Last Updated	7/6/2024
Location	Pewaukee, WI, US
Sold By	JX Truck Center

19 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP

$45,999 USD

489229 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheel Base: 230, Tandem Rear Axles, Front...

Condition	Used
Usage	489,229 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
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	8679155
MLS Number	12624926
Category	Sleeper Semi Trucks
Last Updated	7/6/2024
Location	New Haven, IN, US
Sold By	JX Truck Center

(833) 931-___ SHOW
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8 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, Amt

$53,500 USD

1 Year 125k Mile Base Warranty!!!, 8 New drive tires, 455 hp 1750 Ft Lbs!!!, Full inspection and ready to go!!!, cab type: Sleeper, engine type: DD15,

Condition	Used
Usage	463,662 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automated
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	95H1137
MLS Number	12971141
Category	Sleeper Semi Trucks
Last Updated	7/4/2024
Location	Savage, MN, US
Sold By	Boyer Trucks

(833) 931-___ SHOW
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13 0

2022 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 565HP, Manual

$149,900 USD

Cummins 565 HP 18 Speed long nose Peter!!! What else can I say 2022 low miles ready to pull whatever you need cab type: Sleeper, engine type: X15,

Condition	Used
Usage	328,555 Miles
Duty Class	Heavy Duty
Horse Power	565 HP
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	95H1170
MLS Number	12851960
Category	Sleeper Semi Trucks
Last Updated	7/4/2024
Location	Savage, MN, US
Sold By	Boyer Trucks

(833) 986-___ SHOW
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26 0

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

$58,900 USD

2020 FREIGHTLINER SLEEPER, CASCADIA RAISED ROOF DOUBLE BUNK SLEEPER, DETROIT ENGINE, TRANSMISSION AND AXLES, CHROME BEAUTY, MUDFLAP HANGERS AND QUARTER FENDERS, BRUSH GUARD, NICE SLEEPER!,...

Condition	Used
Usage	486,245 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.15 ratio
Stock Number	256764
MLS Number	12967894
Category	Sleeper Semi Trucks
Last Updated	7/3/2024
Location	Tampa, FL, US
Sold By	Southport Truck Group

(855) 642-___ SHOW
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11 1

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 6 Speed Allison Rds Automatic

$214,950 USD

New Kenworth T880 Flat-top Sleeper for sale. Features: Dual Exhaust, Heated Mirrors, Stainless Steel Sun Visor, 230-gallon Fuel Capacity, Slate Gray Diamond VIT Interior, Espar Bunk Heater,...

Condition	New
Duty Class	Heavy Duty
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	145792
MLS Number	12967840
Category	Sleeper Semi Trucks
Last Updated	7/3/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

15 0

2019 Peterbilt 579 Sleeper Semi Truck - Paccar 455HP

$50,999 USD

373040 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 197, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	373,040 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	8679397
MLS Number	12911053
Category	Sleeper Semi Trucks
Last Updated	7/3/2024
Location	Elmhurst, IL, US
Sold By	JX Truck Center

18 0

2019 Peterbilt 579 Sleeper Semi Truck - Paccar 455HP

$52,999 USD

327988 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 197, Tandem Rear Axles, Front Axle Weight: 13000 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	327,988 Miles
Duty Class	Heavy Duty
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	8679398
MLS Number	12902849
Category	Sleeper Semi Trucks
Last Updated	7/3/2024
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

(844) 334-___ SHOW
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1 0

2019 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 10 Speed

$33,000 USD

Condition	Used
Usage	470,190 Miles
Duty Class	Heavy Duty
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	491529
MLS Number	12960873
Category	Sleeper Semi Trucks
Last Updated	6/28/2024
Location	Tampa, FL, US
Sold By	International Used Truck Centers