6x4 Flat Top Sleeper Semi Trucks For Sale

(844) 435-___ SHOW
NUMBERCall Seller

12 0

2023 Peterbilt 389 Sleeper Semi Truck - 78" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

$149,900 USD

LOADED WITH EXTRAS! VERY SHARP OVER THE ROAD SLEEPER TRUCK, GrossVehicleWeightRating: Class 8: 33,001 pounds, cab: Standard Cab, engine type: X15, ACCondition: Used,

Condition	Used
Usage	350,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	78"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	344537
MLS Number	13201223
Category	Sleeper Semi Trucks
Last Updated	10/29/2024
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(833) 685-___ SHOW
NUMBERCall Seller

15 0

2018 International LT Sleeper Semi Truck - Flat Top Sleeper, Cummins, Automatic

Newly Listed

$39,900 USD

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

Condition	Used
Usage	357,993 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	S02052-DELIVERY 2 U
MLS Number	13200713
Category	Sleeper Semi Trucks
Last Updated	10/29/2024
Location	Gaffney, SC, US
Sold By	Diamond Truck Sales Inc

(855) 982-___ SHOW
NUMBERCall Seller

7 0

2021 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 525HP, 13 Speed Manual

Newly Listed

$124,950 USD

Used 2021 Kenworth T880 Sleeper for Sale. Features: 40 in. Flat Top Sleeper, Full Lockers, Overinflation Valve, Rear Sleeper Window, Dual Air Seats, Leather Interior, Dual Exhaust Stacks, CB...

Condition	Used
Usage	7,870 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	457384T
MLS Number	13196006
Category	Sleeper Semi Trucks
Last Updated	10/25/2024
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

(833) 685-___ SHOW
NUMBERCall Seller

19 0

2018 International LT Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, Automatic

$42,900 USD

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

Condition	Used
Usage	327,384 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	S02028-DELIVERY 2 U
MLS Number	13194314
Category	Sleeper Semi Trucks
Last Updated	10/24/2024
Location	Gaffney, SC, US
Sold By	Diamond Truck Sales Inc

(844) 985-___ SHOW
NUMBERCall Seller

1 0

2020 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 455HP

$42,999 USD

482873 Miles, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 44, Wheel Base: 206, Tandem Rear Axles, Front...

Condition	Used
Usage	482,873 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	8679584
MLS Number	13191525
Category	Sleeper Semi Trucks
Last Updated	10/24/2024
Location	Wadsworth, IL, US
Sold By	JX Truck Center

(877) 810-___ SHOW
NUMBERCall Seller

10 0

2021 Peterbilt 389 Sleeper Semi Truck - 63" Flat Top Sleeper, Cummins 525HP, 18 Speed Manual

$119,900 USD

Custom paint on this great looking trade! This 2021 Pete 389 features a Cummins X15 525HP mated with an 18-speed manual transmission, and 3.55 rears. Owner/Operator specs include full gauge...

Condition	Used
Usage	12,664 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MD747200U-ROA
MLS Number	13191331
Category	Sleeper Semi Trucks
Last Updated	10/25/2024
Location	Roanoke, VA, US
Sold By	Truck Enterprises Inc.

(888) 680-___ SHOW
NUMBERCall Seller

10 0

2021 Peterbilt 389 Sleeper Semi Truck - 63" Flat Top Sleeper, Cummins 525HP, 18 Speed Manual

$119,900 USD

Great looking Trade with custom paint! Hard to find one like this folks! Great specs and well taken care of! Give Scott Dolan at Kenworth Sales Company a call for all the details! [804]...

Condition	Used
Usage	466,853 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MD747200U-
MLS Number	13187159
Category	Sleeper Semi Trucks
Last Updated	10/23/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

(833) 970-___ SHOW
NUMBERCall Seller

15 0

2025 Peterbilt 589 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed M Drive Manual

Call for price

2025 PETERBILT 589. CUMMINS X15 500HP, 1850 TORQUE. EATON FULLER 18 SPEED MANUAL. PETERBILT LOW AIR LEAF SUSPENSION. 275 WHEELBASE. MEDIUM BLUE PAINT JOB. 40,000 LBS REAR AXLE AND 40,000 LBS...

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed mDRIVE Manual
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	272079
MLS Number	13187004
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Butler, PA, US
Sold By	Hunter Truck

(833) 970-___ SHOW
NUMBERCall Seller

17 0

2025 Peterbilt 589 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed M Drive Manual

Call for price

2025 PETE 589 SLEEPER. X15 CUMMINS 500HP WITH 1850 TORQUE. EATON FULLER 18 SPEED MANUAL TRANSMISSION. PETERBILT LOW AIR LEAF SUSPENSION. 3.55 REAR END RATIO, 275 WHEELBASE. 40,000 LBS REAR...

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed mDRIVE Manual
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	272076
MLS Number	13186979
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Butler, PA, US
Sold By	Hunter Truck

(855) 905-___ SHOW
NUMBERCall Seller

14 0

2019 International HX Sleeper Semi Truck - 51" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Call for price

598211 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Overdrive, Hendrickson Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 51,...

Condition	Used
Usage	598,211 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	51"
Suspension	Hendrickson
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	KN-53
MLS Number	13184426
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Elkins, WV, US
Sold By	Newlons International Sales, LLC

(877) 705-___ SHOW
NUMBERCall Seller

10 0

2021 Peterbilt 389 Sleeper Semi Truck - 63" Flat Top Sleeper, Cummins 525HP, 18 Speed Manual

$119,900 USD

Great looking Trade with custom paint! Hard to find one like this folks! Great specs and well taken care of! truck is on lot in Lynchburg and ready for work! call Denny Today because it...

Condition	Used
Usage	12,664 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MD747200U
MLS Number	13184389
Category	Sleeper Semi Trucks
Last Updated	10/23/2024
Location	Lynchburg, VA, US
Sold By	Truck Enterprises Inc.

(844) 693-___ SHOW
NUMBERCall Seller

19 0

2019 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins

Call for price

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	384,753 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins ISX
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	262
MLS Number	13181871
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

17 0

2019 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins

Call for price

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	595,292 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Cummins ISX
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	263
MLS Number	13181869
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(833) 932-___ SHOW
NUMBERCall Seller

24 0

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

2019 Freightliner Coronado 122 SD Sleeper Semi Truck - Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

Call for price

Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 245, Tandem Rear...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 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
MLS Number	13176819
Category	Sleeper Semi Trucks
Last Updated	10/15/2024
Location	Fort Kent, ME, US
Sold By	Freightliner of Maine

(833) 300-___ SHOW
NUMBERCall Seller

44 1

2023 Peterbilt 389 Sleeper Semi Truck - 64" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Call for price

68746 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 64, Wheels: All...

Condition	Used
Usage	68,746 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	64"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	C-35742
MLS Number	13173941
Category	Sleeper Semi Trucks
Last Updated	10/12/2024
Location	Champlain, NY, US
Sold By	Gamache Truck Center

(844) 548-___ SHOW
NUMBERCall Seller

19 0

1990 Peterbilt 378 Sleeper Semi Truck - 48" Flat Top Sleeper, Caterpillar 425HP, 10 Speed Manual

$22,500 USD

1990 Peterbilt 378 Flattop Sleeper Truck, 48” Flattop Sleeper Bunk, Caterpillar 3406B Electric, Eaton 10 Speed Manual Transmission, 1,022,000 Miles, Engine Brakes, Cruise Control, 220” WB,...

Condition	Used
Usage	1,022,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Caterpillar 3406B
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13164620
Category	Sleeper Semi Trucks
Last Updated	10/8/2024
Location	Saint Edward, NE, US
Sold By	Quality Trucks & Trailers

(833) 904-___ SHOW
NUMBERCall Seller

41 1

2007 Kenworth T800 Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 475HP, 8Ll Manual

$64,900 USD

2007 Kenworth T800 Flat top, 10k miles on rebuilt Caterpillar C15, 8LL trans, Double frame, 46k rears, Air ride Susp, Nationwide Delivery Available

Condition	Used
Usage	604,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	8LL Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	6173
MLS Number	13164313
Category	Sleeper Semi Trucks
Last Updated	10/15/2024
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(855) 642-___ SHOW
NUMBERCall Seller

11 0

2020 Kenworth W900L Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 13 Speed Manual

$129,950 USD

Used Kenworth W900L Sleeper for sale. Features: Aluminum Quarter Fenders, 7 in. Straps, Blue Flood Lights, Air Ride Cab, Single Blue Frame, Chrome Air Cleaners, Dual Vertical Exhaust, Chrome...

Condition	Used
Usage	13,273 Hours
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
Sleeper Size	72"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	24P136T
MLS Number	13157285
Category	Sleeper Semi Trucks
Last Updated	10/10/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(707) 849-___ SHOW
NUMBERCall Seller

112 1

2015 Peterbilt 389 Sleeper Semi Truck - 70" Flat Top Sleeper, Cummins 550HP, 13 Speed Manual

$125,000 USD

Excellent Condition Owner Operator Truck, Very well maintained 423k Miles, Cummins 550HP, Eaton Fuller 13 Speed, Full Lockers, 52k GVW,

Condition	Used
Usage	427,034 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13155860
Category	Sleeper Semi Trucks
Last Updated	10/4/2024
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 642-___ SHOW
NUMBERCall Seller

13 0

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

$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	10/10/2024
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(877) 805-___ SHOW
NUMBERCall Seller

25 0

1993 Peterbilt 377 Sleeper Semi Truck

$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