6x4 Flat Top Sleeper Semi Trucks For Sale

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12 0

2022 Kenworth W900L Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$124,900 USD

Nice unit that we sold new and just took back on trade from a long-standing local customer...!!! O/O specs and she is a beauty! Give Scott Dolan at Kenworth Sales Company in Richmond a call...

Condition	Used
Usage	422,177 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	NR477229U-
MLS Number	13069622
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

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13 0

2019 International HX Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 605HP, 18 Speed Manual

Price Drop

$74,900 USD

Sharp truck, Ready to work, Wet-line, Full locking rears,

Condition	Used
Usage	396,659 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
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	272371
MLS Number	12994492
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Butler, PA, US
Sold By	Hunter Truck

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14 0

2021 Kenworth W900 Sleeper Semi Truck - 62" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$97,900 USD

Just arrived, Bal of 5YR/550 warranty till 7/25,

Condition	Used
Usage	477,013 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	62"
Suspension	AG 400
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	274328
MLS Number	12944474
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Butler, PA, US
Sold By	Hunter Truck

(844) 435-___ SHOW
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24 0

2023 Western Star 4900FA Sleeper Semi Truck - Detroit

Recently Updated

$199,900 USD

119289 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Wheel Base: 270, Tandem Rear Axles, Front...

Condition	Used
Usage	119,289 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	336927
MLS Number	12867176
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Manchester, NH, US
Sold By	Allegiance Trucks

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48 0

2014 Peterbilt 388 Sleeper Semi Truck - 60" Flat Top Sleeper, Detroit 500HP, 13 Speed Manual

Recently Updated

$114,500 USD

CLEAN FLAT TOP PETE 388, SHORTHOOD, CHROME POLY FENDERS, CRATE DETROIT SERIES 60 500HP MOTOR, E LOG EXEMPT, WARRANTY UP TO 300K, 90/60 HYDRAULIC FLUID SPLIT TANK, 13SPD EATON, DUAL STACKS,...

Condition	Used
Usage	202,772 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC IV
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	6758
MLS Number	12838941
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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12 0

2016 Freightliner Coronado 122 SD Sleeper Semi Truck - 48" Flat Top Sleeper, Cummins 450HP, 10 Speed Manual

Price Drop

$79,950 USD

Used Freightliner Coronado Flat-top Sleeper for sale. Features: Chrome Bumper, Chrome Sun Visor, Power Locks, Power Windows, Heated Power Mirrors, Cruise Control, Single Frame, and more....

Condition	Used
Usage	9,944 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	23P097
MLS Number	12517585
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(844) 548-___ SHOW
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20 0

2020 Peterbilt 389 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 450HP, 18 Speed Manual

Newly Listed

$108,500 USD

2020 Peterbilt 389 Extended Hood Truck, 72” Unibilt Flattop Sleeper Bunk, Cummins X15 450HP Diesel Engine, Can Be Tuned to 525HP, Eaton 13 Speed Manual Transmission, 476,000 Miles Actual...

Condition	Used
Usage	476,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15 450ST
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13143986
Category	Sleeper Semi Trucks
Last Updated	9/30/2024
Location	Saint Edward, NE, US
Sold By	Quality Trucks & Trailers

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20 0

2007 Peterbilt 378 Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 475HP, 18 Speed Manual

Newly Listed

$36,500 USD

2007 Peterbilt 378 Sleeper Truck, Unibilt 36” Coffin Flattop Bunk, Cummins ISX15 475HP Engine, Eaton 18 Speed Manual Transmission, 193,000 Actual Miles!, 3 LINE WET KIT!!!!!, Engine Brakes,...

Condition	Used
Usage	193,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.33 ratio
MLS Number	13143983
Category	Sleeper Semi Trucks
Last Updated	9/30/2024
Location	Saint Edward, NE, US
Sold By	Quality Trucks & Trailers

(833) 932-___ SHOW
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13 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

Newly Listed

Call for price

6 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...

Condition	New
Usage	6 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	WS4882
MLS Number	13142937
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Bangor, ME, US
Sold By	Freightliner of Maine

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9 0

2022 Peterbilt 389 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$149,900 USD

Beautiful One Owner truck. Owner operator spec. 565HP Cummins, 18 Speed Manual, 40k Rears sitting on Low Air Leaf Suspension. 12.5 front. Come and get it before it is gone

Condition	Used
Usage	7,377 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	239465
MLS Number	13116546
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Allentown, PA, US
Sold By	Hunter Truck

(855) 980-___ SHOW
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9 0

2018 Volvo VNL64T670 Sleeper Semi Truck - Flat Top Sleeper, Cummins 425HP, 10 Speed Ultrashift Plus Automatic

Newly Listed

Call for price

2018 VOLVO VNL SLEEPER CAB, CUMMINS X15, 10 SPEED AUTOMATIC, VOLVO AIR RIDE, AIR RIDE CAB, SLIDING 5TH WHEEL, ALL ALUMINUM WHEELS, HOOD GUARD,

Condition	Used
Usage	805,121 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Ultrashift Plus Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Volvo Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	887087-VV
MLS Number	13140456
Category	Sleeper Semi Trucks
Last Updated	9/27/2024
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts

(833) 685-___ SHOW
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3 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 58" Flat Top Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$39,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, DETROIT ENGINE, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Usage	546,170 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	Flat Top Sleeper
Sleeper Size	58"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	S01976-DELIVERY 2 U
MLS Number	13140405
Category	Sleeper Semi Trucks
Last Updated	10/3/2024
Location	Gaffney, SC, US
Sold By	Diamond Truck Sales Inc

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12 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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7 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...

Condition	New
Usage	7 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	WS4874
MLS Number	13138144
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Fort Kent, ME, US
Sold By	Freightliner of Maine

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62 0

2014 Peterbilt 389 Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 500HP, 10 Speed Manual

$119,500 USD

CLEAN FLATOP PETE 389, DETROIT SERIES 60, 90K MILES ON OVERHAUL WITH PAPERWORK, 90k ON NEW CLUTCH, 10 SPEED, 48" SLEEPER, GOOD RUBBER, READY TO WORK! SOUTHERN TRUCK, NO RUST, NO PAINT OR...

Condition	Used
Usage	662,282 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 11.1 DDEC IV
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	6840
MLS Number	13138073
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

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12 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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8 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles,...

Condition	New
Usage	8 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	WS4875
MLS Number	13051473
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Bangor, ME, US
Sold By	Freightliner of Maine

(833) 931-___ SHOW
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10 0

2020 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 505HP, Manual

$99,900 USD

4900 Flat top sleepers!! DD15 505 HP 13 speeds with lockers. This is a great for logging, farming, or lowboy spec. Call today cab type: Sleeper, engine type: Diesel DD15,

Condition	Used
Usage	197,407 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Flat Top Sleeper
Rear Axle	Tandem Axle
Rear End	3.91 ratio
Stock Number	95H1125
MLS Number	12876599
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Savage, MN, US
Sold By	Boyer Trucks

22 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 500HP

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CONSTRUCTION DUMP - ON/OFF HIGHWAY, EngineType: X15, EngineMake: Cummins, PowerType: Diesel, Weight: 62,000,

Condition	New
Usage	4 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703104
MLS Number	13135430
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	London, ON, Canada
Sold By	Brandt

22 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 500HP

Call for price

CONSTRUCTION DUMP - ON/OFF HIGHWAY, EngineType: X15, EngineMake: Cummins, PowerType: Diesel, Weight: 62,000,

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703100
MLS Number	13135429
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Shanty Bay, ON, Canada
Sold By	Brandt

22 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP

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CONSTRUCTION DUMP - ON/OFF HIGHWAY, EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 62,000,

Condition	New
Usage	12 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703200
MLS Number	13135416
Category	Sleeper Semi Trucks
Last Updated	9/27/2024
Location	Shanty Bay, ON, Canada
Sold By	Brandt

22 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP

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CONSTRUCTION DUMP - ON/OFF HIGHWAY, EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 62,000,

Condition	New
Usage	155 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703199
MLS Number	13135415
Category	Sleeper Semi Trucks
Last Updated	9/27/2024
Location	London, ON, Canada
Sold By	Brandt

20 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins

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72" Sleeper Tandem Drive, PowerType: Diesel, Weight: 62,000,

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear Axle	Tandem Axle
Stock Number	SD703116
MLS Number	13135411
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Stoney Creek, ON, Canada
Sold By	Brandt

(855) 982-___ SHOW
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7 0

2025 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 450HP, 10 Speed Manual

$199,950 USD

New 2025 Kenworth T880 Sleeper for Sale. Features: 40 in. Flat-Top Sleeper, Dual Exhaust Stack, High Polish Aluminum Wheels, Chrome Bumper, 110-Gallon Fuel Capacity, Smartwheel,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	173331
MLS Number	13135372
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

(855) 642-___ SHOW
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11 0

2025 Kenworth W900L Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$259,950 USD

New Kenworth W900L Flat-top Sleeper for sale. Features: Dual Exhaust Stack, 260-gallon Fuel Capacity, Chrome Bumper, Stainless Steel Quarter Fenders, Heated Mirrors, Stainless Steel Sun...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	160973
MLS Number	13135172
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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10 0

2025 Kenworth W900L Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$259,950 USD

New Kenworth W900L Flat-top Sleeper for sale. Features: Dual Exhaust Stack, 260-gallon Fuel Capacity, Chrome Bumper, Stainless Steel Quarter Fenders, Heated Mirrors, Stainless Steel Sun...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	160972
MLS Number	13135170
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth