Flat Top Sleeper Semi Trucks with 3.50-0.00 Ratio For Sale

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2021 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, Manual

Newly Listed

$79,900 USD

374036 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 40, Wheel Base: 224, Tandem...

Condition	Used
Usage	374,036 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	8680274
MLS Number	14157364
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Pewaukee, WI, US
Sold By	JX Truck Center

(888) 227-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 500HP

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508 Miles, 33 Hours, Engine: CUMMINS, 500 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Type: Flat Top Sleeper, Sleeper Size: 44, Wheel Base: 236, Tandem Rear Axles, Front Axle Weight: 20000 lb...

Condition	New
Usage	33 Hours
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	SD703113
MLS Number	14120176
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Maidstone, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - 72" Flat Top Sleeper, 510HP

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72" Low Roof sleeper, EngineType: MX-13, EngineMake: PACCAR, Axle: 72" Low Roof sleeper, PowerType: Diesel, Weight: 53,200, Cab: Highway Tractor,

Condition	New
Usage	5 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	SD745691
MLS Number	13452770
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Ayr, ON, Canada
Sold By	Brandt

(833) 904-___ SHOW
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2014 Peterbilt 389 Sleeper Semi Truck - 48" Flat Top Sleeper, Paccar 455HP, 18 Speed Manual

Newly Listed

$59,000 USD

2014 Peterbilt 389 flat top, MX13, 18 speed manual, 46k rears with full lockers, 787k miles, Nationwide delivery available,

Condition	Used
Usage	787,591 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	48"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	7565
MLS Number	14156103
Category	Sleeper Semi Trucks
Last Updated	2/20/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

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

Recently Updated

$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	2/18/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(833) 801-___ SHOW
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2015 Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 505HP, 18 Speed Ultrashift Plus Amt

Newly Listed

$35,000 USD

HEAVY DUTY TRUCK! RUNS EXCELLENT! STEERABLE AIR LIFT AXLE, THICK FRAME, FULL LOCKING REARS, AIR SEAT, POWER WINDOWS, DUAL EXHAUST, PTO! *18 SPEED AUTOMATIC TRANSMISSION!!,

Condition	Used
Usage	347,874 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15TC
Drivetrain	8x4
Transmission	18 Speed Ultrashift Plus Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	15DET347TRIWS
MLS Number	14147507
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 807-___ SHOW
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2016 Peterbilt 389 Sleeper Semi Truck - 48" Flat Top Sleeper, Cummins 485HP, 10 Speed Manual

Recently Updated

$64,500 USD

PETERBILT 389 FLATTOP, 176K ON OVERHAUL WITH PAPERWORK, CUMMINS ISX15, 485HP, 10 SPEED MANUAL TRANSMISSION, 8 BRAND NEW DRIVE TIRES, 48" SLEEPER, DUAL STACKS AND BREATHERS, JAKES,...

Condition	Used
Usage	819,040 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX15
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 3.55 ratio
Stock Number	7132
MLS Number	13916588
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(724) 704-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

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On Ground in Eau Claire, PA. New 2026 Peterbilt 589 Sleeper, Cummins X15 Engine, 565 HP, 1850 Torque, 18 Speed Eaton Fuller Transmission, 250" Wheelbase, 150.1 CA, 12,500K Meritor Front Axle...

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Pete Low Air Leaf
Rear End	40,000 lb 3.55 ratio
Stock Number	278875
MLS Number	13437334
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(888) 227-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 500HP

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CONSTRUCTION MATERIALS, EngineType: X15, EngineMake: Cummins, Axle: CONSTRUCTION MATERIALS, PowerType: Diesel, Weight: 62,000,

Condition	New
Usage	32 Hours
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	3.91 ratio
Stock Number	SD703114
MLS Number	14120193
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Stoney Creek, ON, Canada
Sold By	Brandt

(717) 384-___ SHOW
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2027 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt

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2027 PETERBILT 567 TANDEM 44" SLEEPER 510 HP ***AUTOMATED 12SPD***HEATED LEATHER DRIVER SEAT***PREDICTIVE CRUISE PACKAGE***LOW AIR LEAF 40K REAR SUSPENSION***DIFF LOCK TANDEM AXLES***LOTS OF...

Condition	New
Usage	7 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	12 Speed Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	286017
MLS Number	14144667
Category	Sleeper Semi Trucks
Last Updated	2/17/2026
Location	Lancaster, PA, US
Sold By	Hunter Truck

(833) 637-___ SHOW
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2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

$49,900 USD

2012 Western Star 4900SA, 246,500 miles, DD15-505 hp, Eaton RTLO18918B 18 speed, 4.30 ratio, 244 wb, 14,320 front, 46,000 rears, 12,000 pusher, 180 Gal Fuel cap, Nice heavy truck in great...

Condition	Used
Usage	246,245 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
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
MLS Number	13542225
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

2008 Peterbilt 386 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Caterpillar 500HP, 13 Speed Manual

$61,500 USD

2008 Pete 386 with Cat C15 Deleted, Cat reman less the 100k miles ago. 13 spd manual trans, 3.90 rear ends and a steerable lift axle. New Drive tires,

Condition	Used
Usage	30,156 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Caterpillar C15
Drivetrain	8x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	52,000 lb 3.90 ratio
Stock Number	BTS2298
MLS Number	14120079
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(833) 801-___ SHOW
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2012 Peterbilt 365 Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 410HP, 8Ll Manual

$30,000 USD

GOOD TRUCK, RUNS EXCELLENT! *LOW MILES* POWER RIGHT WINDOW, AIR SEAT, DIFFERENTIAL LOCK, DUMP VALVE, HEAVY DUTY TRUCK!,

Condition	Used
Usage	254,434 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	8LL Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	12PETE254FLAT365
MLS Number	14006487
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(866) 530-___ SHOW
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2020 Kenworth W900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$119,995 USD

2020 KENWORTH W900, Cummins X15 565 hp, 18 Speed Transmission, 3.55 Ratio, Air ride suspensions, 270" Wheelbase FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED...

Condition	Used
Usage	497,147 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	0724
MLS Number	13436827
Category	Sleeper Semi Trucks
Last Updated	2/18/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2012 Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$62,500 USD

2011 Western Star 4900SA, Only 50,000 original miles, 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle and #13,200...

Condition	Used
Usage	6,381 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	BTS0242
MLS Number	14140818
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

2011 Western Star 4900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$59,500 USD

2011 Western Star 4900SA, Only 52,000 original miles, 500 HP Detroit DD15, 18 Speed Overdrive transmission with 4.30 gears, 46k rear ends with full lockers. 16K front axle and #13,200...

Condition	Used
Usage	50,958 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tri Axle
Rear End	59,200 lb 4.30 ratio
Stock Number	BTS7824
MLS Number	14140776
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(844) 955-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - Cummins 505HP, 13 Speed Automatic

$147,750 USD

Only 55,000 Original Miles ~ Cummins X15 ~ 505 HP ~ 13 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ All Aluminum Wheels ~ Only One Owner ~ Financing Available with Your Good...

Condition	Used
Usage	55,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Flat Top Sleeper
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	723475
MLS Number	14124101
Category	Sleeper Semi Trucks
Last Updated	2/14/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(844) 955-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - Cummins 505HP, 13 Speed Automatic

$147,750 USD

Only 50,000 Original Miles ~ Cummins X15 ~ 505 HP ~ 13 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ All Aluminum Wheels ~ Only One Owner ~ Financing Available with Your Good...

Condition	Used
Usage	50,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Cummins X15
Transmission	13 Speed Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	723474
MLS Number	14124100
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(724) 704-___ SHOW
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2027 Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 430HP, 18 Speed Manual

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New 2027, Peterbilt 589 with 58" Sleeper, Cummins X15 Engine, 565 HP, 1850 Torque, 270" Wheelbase, 13,200 Dana Spicer Front Axle, 40K Dana Spicer Rear Axle, 270" Wheelbase, 3.55 Rear Axle...

Condition	New
Usage	9 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	430 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	286097
MLS Number	14137255
Category	Sleeper Semi Trucks
Last Updated	2/11/2026
Location	Eau Claire, PA, US
Sold By	Hunter Truck

(866) 695-___ SHOW
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2018 Mack Pinnacle CXU613 Sleeper Semi Truck - 50" Flat Top Sleeper, 445HP

$47,500 USD

Blower, EngineModel: MP8,

Condition	Used
Usage	16,474 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	445 HP
Transmission	10 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	MCOMAM087047
MLS Number	13965864
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(716) 218-___ SHOW
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2024 Peterbilt 389 Tri Axle Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 605HP, 18 Speed Endurant Amt

Price Drop $209,750 USD

605 HP CUMMINS,18-SPD AUTOMATED TRANS,20000 FRT,52000RR,20000 PUSHER.4.10 RATIO,72::FLATTOP,189000 MILES NEWAY SUSP,

Condition	Used
Usage	189,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	72"
Suspension	Neway
Rear Axle	Tri Axle
Rear End	52,000 lb 4.10 ratio
Stock Number	263280
MLS Number	14070056
Category	Sleeper Semi Trucks
Last Updated	2/10/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

(844) 955-___ SHOW
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2015 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Price Drop $64,750 USD

345k Original Miles ~ Cummins ISX ~ 500 HP ~ 1850 Torque 18 Speed ~ 16k Front / 46k Rears ~ Full Lockers ~ Double Frame ~ Wet Kit ~ All Aluminum Wheels ~ Financing Available with Your Good...

Condition	Used
Usage	345,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	GK6575
MLS Number	13785085
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

(609) 318-___ SHOW
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2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Autoshift Amt

Contact for price

PTO / Wet Line installed,

Quantity	5
Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Autoshift Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	275516
MLS Number	13421358
Category	Sleeper Semi Trucks
Last Updated	2/7/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(844) 748-___ SHOW
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2014 Kenworth W900 Tri Axle Sleeper Semi Truck - Flat Top Sleeper, Cummins 600HP, 18 Speed Manual

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COMING IN LATER THIS MONTH, 2014 KENWORTH W900 WITH CUMMINS ISX15 600HP (DELETED) AND 18 SPEED TRANS 35,000 MILES ON A PLATINUM REBUILD. 389,255 ON THE ODOMETER. TRIAXLE TRAIN HORN ALL LED...

Condition	Used
Usage	389,255 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Cummins ISX15
Drivetrain	8x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	23,000 lb 3.73 ratio
Stock Number	386681
MLS Number	14127399
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Beverly, WV, US
Sold By	TFS Recovery, Inc.