Flat Top Sleeper Semi Trucks with 3.50-3.99 Ratio For Sale

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2025 Peterbilt 567 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 500HP, 13 Speed Manual

Recently Updated

$190,000 USD

CUMMINS X 15 500HP,13 SPD MANUAL TRANS,132K FRT,46K RR,3.73 RATIO AIR TRAC SUSP,ALUM WHLS 58"SLEEPER CHOICE OF 2 OTHER STK NO 276527 New 2025 567. 500hp Cummins 13speed manual trans. 13.2K...

Condition	New
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
Sleeper Size	58"
Suspension	Air Trac
Rear End	46,000 lb 3.73 ratio
Stock Number	276528
MLS Number	13459200
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

(833) 904-___ SHOW
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2013 Western Star 4900 Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 10 Speed Manual

Newly Listed

$34,500 USD

2013 Western Star 4900SB Sleeper, 450hp Detroit DD13, 10spd Manual, Air ride suspension, 319k Mi, Nationwide Delivery Available

Condition	Used
Usage	318,897 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
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 3.73 ratio
Stock Number	4847
MLS Number	14094822
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(844) 955-___ SHOW
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2024 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$187,750 USD

Only 49,000 Original Miles ~ Cummins X15 ~ 565 HP ~ 18 Speed ~ 46k Rears ~ Full Lockers ~ Wet Kit ~ All Aluminum Wheels ~ Only One Owner ~ Cummins Engine After Treatment Warranty through...

Condition	Used
Usage	49,000 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
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	676870
MLS Number	14057583
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Olive Branch, MS, US
Sold By	Truck Market

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2008 Peterbilt 367 Sleeper Semi Truck - 36" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$49,900 USD

3W EQUIPMENT INVENTORY CHANGING DAILY - CALL AHEAD!! TRUCK QUALIFIES FOR A 12 MONTH - UNLIMITED MILES POWERTRAIN WARRANTY!!! LOW RATE FINANCING FOR BUSINESS AND INDIVIDUALS! JUST IN!!!...

Condition	Used
Usage	326,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15 485
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	JK2008
MLS Number	13798639
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(724) 648-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

$275,000 USD

NEW 2026 PETERBILT 589 VIPER RED SLEEPER! 72" FLAT TOP SLEEPER, POWERED WITH CUMMINS X15 ENGINE AND EATON FULLER 18SPD MANUAL TRANSMISSION. PLEASE CALL INTO HUNTER TRUCK BUTLER FOR MORE...

Condition	New
Usage	1,364 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	72"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	285063
MLS Number	14086013
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(724) 648-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Newly Listed

$109,900 USD

Bal of 5/550 ext warranty till 9/26, 5 YRS / 550,000 MILES X15 EFFICIENCY / PRODUCTIVITY PLAN 1, 5 YRS / 550,000 MILES X15 EFFICIENCY / PRODUCTIVITY AFTERTREATMENT,

Condition	Used
Usage	18,187 Hours
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	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	138530
MLS Number	14082782
Category	Sleeper Semi Trucks
Last Updated	1/17/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(833) 300-___ SHOW
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2021 Kenworth T880 Sleeper Semi Truck - 30" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Contact for price

WEBASTO, DISC BRAKE,

Condition	Used
Usage	11,798 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	30"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37305
MLS Number	14081926
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

$64,500 USD

PETERBILT 389 FLATTOP, 176K ON OVERHAUL WITH PAPERWORK, CUMMINS ISX15, 485HP, 10 SPEED MANUAL TRANSMISSION, 48" SLEEPER, DUAL STACKS AND BREATHERS, JAKES, LOCKERS, 270 GAL FUEL TANKS,...

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	1/10/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(570) 638-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

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NOW AVAILABLE!!!! THE PURPLE PEOPLE EATER!!! CUSTOM PAINTED TANKS TO MATCH!!! DROP VISOR!!! AIR CLEANER LIGHTS FRONT AND REAR!!! HIT THE HIGHWAY IN STYLE IN THIS 2026 PETERBILT 589!!! PLEASE...

Condition	New
Usage	9 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	72"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	282760
MLS Number	13781377
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Scranton, PA, US
Sold By	Hunter Truck

(833) 300-___ SHOW
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2021 Kenworth T880 Sleeper Semi Truck - 28" Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Contact for price

WEBASTO, DISC BRAKE,

Condition	Used
Usage	9,968 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	28"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37304
MLS Number	14078224
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 300-___ SHOW
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2022 Western Star 4900FA Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

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Transmission modelRTLO-20918B, ALUMINIUM HEADACHE RACK, ESPAR, BEACONS LIGHT, WET KIT,

Condition	Used
Usage	8,477 Hours
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
Sleeper Size	42"
Suspension	Hendrickson PRIMAAX
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37148
MLS Number	14077726
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2005 Peterbilt 379EXHD Sleeper Semi Truck - 63" Flat Top Sleeper, Caterpillar 550HP, 18 Speed Manual

$95,000 USD

Beautiful 2005 379 Long hood Pete. Flat top sleeper, full fenders, all aluminum wheels. C15 Cat with Platinum 650hp engine kit installed less than 5000 miles ago. New head, new 650hp...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.70 ratio
Stock Number	CON8127
MLS Number	14065811
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

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2020 Kenworth W900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$124,995 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	1/6/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

(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

(844) 435-___ SHOW
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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

(724) 648-___ SHOW
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2026 Peterbilt 589 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 605HP, 18 Speed M Drive Manual

$224,000 USD

YEAR END SALE!!! NEW 2026 PETERBILT 589 SLEEPER! 44" LOW ROOF SLEEPER, POWERED WITH CUMMINS X15 ENGINE AND EATON FULLER 18SPD MANUAL TRANSMISSION. 13,200LBS FRONT AXLE, 40,000LBS REAR AXLE,...

Condition	New
Usage	1,336 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Transmission	18 Speed mDRIVE Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	282956
MLS Number	13850476
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Butler, PA, US
Sold By	Hunter Truck

(716) 218-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 44" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

$72,900 USD

MX 13 510 HP,18SPD TRANS,13200 FRT,46000 RR,3.58 RATIO,AIR TRAC SUSP,44: SLEEPER,492703 MILES,

Condition	Used
Usage	492,703 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.58 ratio
Stock Number	245252
MLS Number	13852842
Category	Sleeper Semi Trucks
Last Updated	12/6/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2013 Freightliner Cascadia 125 Sleeper Semi Truck - Flat Top Sleeper, Detroit 475HP, 10 Speed Manual

$8,500 USD

Truck came in on trade. Has a cylinder leaking coolant into engine. Can be bought as is until we have time to fix it

Condition	Used
Usage	520,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	BTS5766
MLS Number	13760569
Category	Sleeper Semi Trucks
Last Updated	12/4/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

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

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595 Miles, 21 Hours, 500 HP, Sleeper Type: Flat Top Sleeper, Sleeper Size: 44, Wheel Base: 236, Front Axle Weight: 20000 lb, Rear Axle Weight: 46000 lb

Condition	New
Usage	21 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Rear End	46,000 lb 3.91 ratio
Stock Number	SD703109
MLS Number	13982455
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	North Bay, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - Paccar 510HP

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72" LR SLEEPER - TANDEM DRIVE, EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 53,200, Cab: Highway Tractor,

Condition	New
Usage	31 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	SD745690
MLS Number	13352775
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	Ayr, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2025 Peterbilt 589 Sleeper Semi Truck - Paccar 510HP

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TANDEM AXLES WITH SPEED INTERLOCK, PETERBILT FRONT AIR LEAF 13,200 LBS EngineType: MX-13, EngineMake: PACCAR, PowerType: Diesel, Weight: 53,200, Cab: Highway Tractor,

Condition	New
Usage	17 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	SD745692
MLS Number	13203730
Category	Sleeper Semi Trucks
Last Updated	12/3/2025
Location	London, ON, Canada
Sold By	Brandt