Flat Top Sleeper Semi Trucks For Sale

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2021 Peterbilt 579 Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$55,900 USD

Cummins Powered Low Roof short bunk. Perfect for Regional Work with overnight runs

Condition	Used
Usage	13,115 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	229299
MLS Number	13910419
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Allentown, PA, US
Sold By	Hunter Truck

2019 Western Star 4900EX Tri Axle Sleeper Semi Truck - Detroit

$114,900 USD

378688 Miles, Engine: DETROIT DD16, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 8x4, Sleeper Type: Flat Top Sleeper, Sleeper Size: 54, Wheel Base: 272, Tri Rear Axles, Front Axle...

Condition	Used
Usage	378,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	347449
MLS Number	13556811
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(844) 305-___ SHOW
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2015 Peterbilt 365 Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 425HP, 8Ll Manual

$55,900 USD

Tandem Chassis, ISX12 Cummins 425 HP, 8LL, 4.33 Ratio, 3 Stage Engine Brake, Air Trac, 13,200 FA, 40,000 RA, 224" WB, 20'10" Bridge, Diff Lock, P/S, A/C, Heated Mirrors, Cruise, Tilt/Tele...

Condition	Used
Usage	18,748 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Cummins ISX12
Transmission	8LL Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	4.33 ratio
Stock Number	FD270007
MLS Number	13988150
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2025 International HX Sleeper Semi Truck - 56" Flat Top Sleeper, Cummins 470HP, 13 Speed Manual

$169,900 USD

2950 Miles, Engine: CUMMINS, 470 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 56, Wheel Base: 240,...

Condition	New
Usage	2,950 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	346992
MLS Number	13431482
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Bangor, ME, US
Sold By	Allegiance Trucks

(866) 530-___ SHOW
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2015 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

$68,500 USD

3W EQUIPMENT INVENTORY CHANGING DAILY - CALL AHEAD!! LOW RATE FINANCING FOR BUSINESS AND INDIVIDUALS! DON'T MISS THIS ONE!!! SUPER LOW MILEAGE AND HOURS!!! (DELETED) 2015 WESTERN STAR...

Condition	Used
Usage	2,173 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	28"
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	GK6603
MLS Number	14064705
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(844) 481-___ SHOW
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2019 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Paccar 485HP, 13 Speed Manual

$78,500 USD

2019 PETERBILT 389 FLATTOP, SOLID WHITE, PACCAR MX-13 485 HP, DUAL STACK, DUAL BREATHER, 40K REARS, 13PD MANUAL TRANSMISSION, AIR RIDE SUSPENSION, 11R24.5, ALUMINUM WHEELS, SLIDING FIFTH...

Condition	Used
Usage	636,538 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14025410
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(833) 801-___ SHOW
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2015 Kenworth T660 Sleeper Semi Truck - 72" Flat Top Sleeper, Paccar 485HP, 13 Speed Manual

$20,000 USD

SUPER NICE TRUCK, RUNS AND DRIVES EXCELLENT, VIT INTERIOR. DUAL AIR RIDE SEATS, POWER WINDOWS, TILT/TELE, DUMP VALVE, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL! *DELETED EMISSIONS,

Condition	Used
Usage	1,130,308 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	15MX113FLATT6
MLS Number	13822795
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 478-___ SHOW
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2019 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 13 Speed Manual

Contact for price

2019 Peterbilt 389 Flat Top – Cummins X15 / 13-Speed / Fresh Rebuild w/ Parts Warranty Stock #6797 | 500HP | 63" Sleeper | APU | 260” WB Just in — clean, sharp, and ready to work. This2019...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	14736
MLS Number	13611943
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 801-___ SHOW
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2015 Freightliner Coronado 122 SD Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 10 Speed Manual

$28,000 USD

NICE TRUCK, RUNS EXCELLENT, WET KIT, DUAL EXHAUST, FULL LOCKING REARS, DUMP VALVE, SLIDING 5TH, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, SUPER NICE TRUCK! *SOUTHERN TRUCK/ NOT RUSTY!,

Condition	Used
Usage	813,601 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	15DET813FLATCOR
MLS Number	14053841
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2019 Freightliner Cascadia 125 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 505HP, 10 Speed Manual

$54,500 USD

JUST IN!!! 2019 Freightliner Cascadia, #13,200 Factory Steerable Lift Axle, Detroit DD15, 505 HP, 10 Speed Manual Transmission. 260" WHEEL BASE. 3.55 REAR ENDS, Aluminum Wheels, Jake Brake,...

Condition	Used
Usage	469,236 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	53,500 lb 3.55 ratio
Stock Number	BTS8277
MLS Number	14053730
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(866) 695-___ SHOW
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2018 Mack Pinnacle CHU613 Sleeper Semi Truck - 50" Flat Top Sleeper, 505HP

$77,500 USD

179555 Miles, Engine: MACK, 505 HP, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 50, Tires: 11R24.5, Wheels: All Aluminum, Wheel Base: 250, Tandem Rear Axles, Rear Axle...

Condition	Used
Usage	179,555 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Transmission	13 Speed
Sleeper Type	Flat Top Sleeper
Sleeper Size	50"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.56 ratio
Stock Number	MCOMAM027829
MLS Number	13911000
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

1994 Peterbilt 378 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 450HP, 18 Speed Manual

$57,500 USD

1994 Peterbilt 378, PRE-EMISSION, New Crate Motor Detroit 60 Series engine installed 170,000 miles ago w/paperwork, 450 HP, Reman 18 Speed Manual Transmission installed 170,000 miles ago...

Condition	Used
Usage	1,000,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit SERIES 60 12.7 DDEC III
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,500 lb 3.90 ratio
Stock Number	BTS3930
MLS Number	14049336
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

1987 White 7400 Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 350HP, 9 Speed Manual

$17,500 USD

1987 White 7400, CAT 3406, 350 H.P., 9 Speed Manual Transmission, Jake brake, Flattop Sleeper, This Truck Runs Great and would make a great Farm/Ranch Truck, or Extra Truck for your Fleet

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	350 HP
Engine Model	Caterpillar 3406
Drivetrain	6x4
Transmission	9 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	BTS5682
MLS Number	14045894
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

2015 Peterbilt 367 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 485HP, 10 Speed Autoshift Amt

$64,500 USD

Very clean and tight 367 Peterbilt. Recent engine overhaul on ISX Cummins, 10 spd auto shift trans. Steerable lift axle, Ali Arc front bumper. Runs and drives great. Transmission shifts...

Condition	Used
Usage	717,014 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	8x4
Transmission	10 Speed Autoshift Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb
Stock Number	CON6370
MLS Number	14045877
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(833) 801-___ SHOW
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2010 Kenworth T660 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 450HP, 10 Speed Manual

$9,000 USD

NICE TRUCK, HEADACHE RACK AND TOOLBOX, LED LIGHTS, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL! *ENGINE NEEDS REBUILT, HEAD...

Condition	Used
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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	10ISXFLATT6
MLS Number	14045703
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(866) 751-___ SHOW
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2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

$222,650 USD

NEW ARRIVAL!!!! 2026 WESTERN STAR 49XSF!!! BIG HORSEPOWER!!!! 600HP DD16, 1850 TORQUE. HEAVY SPEC TRUCK!!! 46K REAR 16K FRONT. BEAUTIFUL TRUCK! COMFORTABLE TO DRIVE.! FEDERAL EXCISE...

Condition	New
Usage	498 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	109848
MLS Number	13576732
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Bowling Green, KY, US
Sold By	Boyd Truck Centers

2019 International HX Sleeper Semi Truck - 51" Flat Top Sleeper, Cummins 605HP, Manual

$79,900 USD

VERY NICE HEAVY SPEC AIR RIDE SMALL BUNK TRACTOR, WARRANTY REMAINING ON THE UNIT, FULL LOCKING 46 REARS, 18 SPEED TRANS, NEW RADIATOR, LIKE NEW RUBBER, 605 CUMMINS ,,

Condition	Used
Usage	392,611 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	51"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.90 ratio
Stock Number	242973
MLS Number	12115452
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Bangor, ME, US
Sold By	Allegiance Trucks

(707) 849-___ SHOW
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2020 Peterbilt 567 Sleeper Semi Truck - Flat Top Sleeper, Paccar 455HP, 13 Speed Manual

$63,000 USD

2020 Peterbilt 567 Flat Top Sleeper 458K Miles, Eaton Fuller 13 Speed, Paccar MX 13 engine, 455HP, 52k GVW,

Condition	Used
Usage	458,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13781628
Category	Sleeper Semi Trucks
Last Updated	12/14/2025
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 981-___ SHOW
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2009 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 650HP, 10 Speed Manual

$59,900 USD

2009 Peterbilt 389 Specs:, -Mileage: 1,707,808, -Drive: 6x4, -Horsepower: 650, -Transmission: Eaton- Fuller 10 Speed, -Suspension: Air-ride, -Aluminum Wheels, -Engine: Caterpillar C15 ACERT...

Condition	Used
Usage	1,707,808 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	650 HP
Engine Model	Caterpillar C15 ACERT
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	TNHC22707ELAK Web
MLS Number	13562354
Category	Sleeper Semi Trucks
Last Updated	12/12/2025
Location	Lakeland, FL, US
Sold By	Nationwide Haul

(855) 489-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$38,000 USD

Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 455hp with Endurant 12 Speed Transmission, 44" Flat Top Sleeper,

Condition	Used
Usage	618,718 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	2188
MLS Number	13987056
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
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2020 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$39,000 USD

Price Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 455hp with Endurant 12 Speed Transmission, 44" Flat Top Sleeper,

Condition	Used
Usage	589,489 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	2144
MLS Number	13862637
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
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2020 Kenworth W990 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$169,000 USD

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 565hp Cummins, 18 speed Manual Transmission, 20K Front Axle, 46K Rears, Full Lockers, 18.5K...

Condition	Used
Usage	201,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	66,000 lb 4.10 ratio
Stock Number	2083
MLS Number	13633782
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

2024 Kenworth W900 Sleeper Semi Truck - 54" Flat Top Sleeper, Cummins 400HP, 18 Speed Manual

$199,900 USD

52023 Miles, Engine: CUMMINS, 605 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Sleeper Type: Flat Top Sleeper, Sleeper Size: 54, Wheel Base: 255, Tandem Rear Axles, Front...

Condition	Used
Usage	52,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	330481
MLS Number	13481377
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(844) 385-___ SHOW
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2020 Mack Anthem 64T Sleeper Semi Truck - 48" Flat Top Sleeper, 445HP, 12 Speed Automatic

$74,134 USD

Condition	Used
Usage	411,399 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	445 HP
Engine Model	MP8'17 445/1300-1700
Transmission	12 Speed Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	896505
MLS Number	14024028
Category	Sleeper Semi Trucks
Last Updated	12/10/2025
Location	Taylor, MI, US
Sold By	Ryder