6x4 Flat Top Sleeper Semi Trucks For Sale

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40 0

2008 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 470HP, 10 Speed Manual

Newly Listed

$44,900 USD

2008 WESTERN STAR 4900 FLAT TOP, 135,951 ORIGINAL MILES 8,353 HOURS,DETROIT 60 SERIES 14 LITER ENGINE, 10 SPEED EATON FULLER TRANSMISSION, 12,000 LB FRONT AXLE, 40,000 LB REAR AXLES, FULL...

Condition	Used
Usage	8,353 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit SERIES 60 14.0 DDEC IV
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	Z42597
MLS Number	13155810
Category	Sleeper Semi Trucks
Last Updated	10/4/2024
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

13 0

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

Newly Listed

$79,950 USD

Used Freightliner Coronado 122 SD Flat-top Sleeper for sale. Features: Power Mirrors, Single Exhaust, Power Locks, Power Windows, PTO, and more. Hundreds of new and used trucks, trailers,...

Condition	Used
Usage	145,315 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
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	24P118
MLS Number	13155350
Category	Sleeper Semi Trucks
Last Updated	10/4/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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25 0

1993 Peterbilt 377 Sleeper Semi Truck

Newly Listed

$11,900 USD

1993 Peterbilt 377 with 48" flat top sleeper CAT 3406c starts easy, runs smooth, no blow by 60 lbs of oil pressure, no oil leaks on the engine 92,000 miles on the engine after it was...

Condition	Used
Usage	92,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Caterpillar 3406c
Drivetrain	6x4
Transmission	9 Speed
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 4.11 ratio
Stock Number	1001401ML
MLS Number	13148054
Category	Sleeper Semi Trucks
Last Updated	10/2/2024
Location	Bakersfield, CA, US
Sold By	Titan Managed Services

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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

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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

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

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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

$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

(855) 807-___ SHOW
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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

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

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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

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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

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

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

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	160971
MLS Number	13135163
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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21 1

2021 Kenworth W900 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 550HP, 18 Speed Manual

$124,500 USD

Won't Last! 2021 KW W900! OWNER/OPERATOR SPEC FEATURING A CUMMINS X15 550HP ENGINE AND AN EATON 18-SPEED MANUAL TRANSMISSION. FULL GAUGE PACKAGE, BLACK LEATHER DIAMOND INTERIOR...

Condition	Used
Usage	371,327 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 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	46,000 lb 3.58 ratio
Stock Number	MR459074/Chesapeake
MLS Number	13131024
Category	Sleeper Semi Trucks
Last Updated	9/22/2024
Location	Chesapeake, VA, US
Sold By	Truck Enterprises Inc.

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12 0

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

$124,900 USD

Nice unit that we sold new and just took back on trade from a long-standing local customer...!!! Cummins Power, 18 speed transmission, 3.55 ratio, 500 HP, 294 WB and much More! O/O specs and...

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	NR477229/Chesa
MLS Number	13131020
Category	Sleeper Semi Trucks
Last Updated	9/22/2024
Location	Chesapeake, VA, US
Sold By	Truck Enterprises Inc.

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10 0

2025 Kenworth W900L Sleeper Semi Truck - 38" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$233,000 USD

Nice clean great looking truck!! W900 with small sleeper!, NumSpeeds: 18-spd, Suspension: AG460, Sleeper: Aerocab, CabType: Sleeper call Denny about this unit today!,

Condition	New
Usage	14 Miles
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	38"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	SR168532
MLS Number	13129371
Category	Sleeper Semi Trucks
Last Updated	9/21/2024
Location	Lynchburg, VA, US
Sold By	Truck Enterprises Inc.

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37 1

2019 Western Star 4900FA Sleeper Semi Truck - 48" Flat Top Sleeper, Detroit 565HP, 18 Speed Manual

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491588 Miles, 14266 Hours, Engine: DETROIT DD16, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 48,...

Condition	Used
Usage	14,266 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-35540
MLS Number	13119259
Category	Sleeper Semi Trucks
Last Updated	9/18/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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20 0

2006 Freightliner FLD120 Classic Sleeper Semi Truck - Flat Top Sleeper, Detroit 470HP, 13 Speed Manual

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2006 FREIGHTLINER CLASSIC, 14 LITER DETROIT 470HP, RTLO-16913A TRANSMISSION, MERITOR RT-40-145 R-SRS RATIO 3.42, WET KIT WITH HYDRAULIC FLUID HEATER, 240 INCH WHEEL BASE,

Condition	Used
Usage	838,727 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	3.42 ratio
Stock Number	V93607-FLC
MLS Number	13118064
Category	Sleeper Semi Trucks
Last Updated	9/17/2024
Location	OGDEN, UT, US
Sold By	Rocky Mountain Truck Parts