6x4 Sleeper Semi Trucks with 3.50-0.00 Ratio For Sale

(844) 435-___ SHOW
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2024 Kenworth W900 Sleeper Semi Truck - 54" Flat Top Sleeper, Cummins 400HP, 18 Speed Manual

$199,900 USD

Remaining Factory warranty on engine and aftertreatment

Condition	Used
Usage	52,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
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	4/7/2026
Location	Saco, ME, US
Sold By	Allegiance Trucks

(844) 435-___ SHOW
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2020 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic

$49,900 USD

505HP DD15 Engine with 46,000 rears,

Condition	Used
Usage	422,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	334995
MLS Number	13129777
Category	Sleeper Semi Trucks
Last Updated	4/11/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(833) 932-___ SHOW
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2024 Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

$164,500 USD

EW4 and Wiring Coverage until 12/28,

Condition	Used
Usage	155,658 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	83819
MLS Number	14287292
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine

(833) 801-___ SHOW
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2013 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

$13,000 USD

RUNS GREAT, CLEAN TRUCK! air seat, tilt/tele, differential lock, dump valve, sliding 5th!,

Condition	Used
Usage	640,606 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.58 ratio
Stock Number	13ISX640XTCAS
MLS Number	14287229
Category	Sleeper Semi Trucks
Last Updated	4/5/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 985-___ SHOW
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2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 605HP, Manual

$94,900 USD

605HP Cummins X15 Engine with an 18 Speed MANUAL Transmission! This workhorse has 40k rears a wheelbase of 270in and a ratio of 3.58. Dual Stacks; Tons of Chrome including visor; air slide...

Condition	Used
Usage	572,228 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	8680127
MLS Number	13963633
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Urbana, IL, US
Sold By	JX Truck Center

(888) 853-___ SHOW
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2012 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 13 Speed Manual

$11,900 USD

NON RUNNER, ENGINE BAD. 2012 Kenworth T800, ISX15 450 hp, RTLO16913A transmission, DSP41 rears with 3.55 ratio, A/S 5th wheel, 13,200# steer axle, 38,000# drives, 11R24.5 tires on aluminum...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	2322
MLS Number	14248782
Category	Sleeper Semi Trucks
Last Updated	4/3/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

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

Contact for price

Installed option, DISC BRAKE, ESPAR,

Condition	Used
Usage	9,347 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	18 Speed Manual
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	C-37474
MLS Number	14277923
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 478-___ SHOW
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2015 Freightliner Coronado 132 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 500HP, 18 Speed Manual

Contact for price

2015 CORONADO HEAVY HAUL. REMAN 12.7 60 SEREIS IN PROCESS AND 18SPD TRANS. DOUBLE FRAME WITH 46K REARS AND 20K PUSHER. EQUIPPED WITH 8 BRAND NEW VIRGIN LO PRO 22.5 DRIVES AND 2 BRAND NEW...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC IV
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	5872
MLS Number	14262979
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(866) 695-___ SHOW
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2007 Peterbilt 378 Sleeper Semi Truck - Cummins 485HP

$75,000 USD

130955 Miles, Engine: CUMMINS ISX, 485 HP, Fuel Type: Diesel, Drive: 6x4, Air Trac Suspension, Sleeper Size: 36, Tandem Rear Axles

Condition	Used
Usage	130,955 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	8LL
Sleeper Size	36"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	MCO656239
MLS Number	14160276
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(833) 538-___ SHOW
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2023 Peterbilt 389 Sleeper Semi Truck - 78" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

$115,900 USD

369191 Miles, 12413 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 78,...

Condition	Used
Usage	12,413 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	4002
MLS Number	14124513
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 932-___ SHOW
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2025 Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

$196,900 USD

Heavy Spec Spring Ride Tractor ready for anything you can throw at it!,

Condition	New
Usage	914 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
Sleeper Size	36"
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	WS4863
MLS Number	13056867
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Fort Kent, ME, US
Sold By	Freightliner of Maine

(833) 637-___ SHOW
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2007 Peterbilt 379EXHD Sleeper Semi Truck - 40" Raised Roof Sleeper, Cummins 475HP, 13 Speed Manual

$59,900 USD

2007 Peterbilt 379 with 48 inch sleeper, ISX 475 hp, 13 speed trans, 1.2 mil miles, recent overhaul, 52000 GVW, 3.55 ratio, 266 wb, flex air susp, new paint,

Condition	Used
Usage	11,184 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	40"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
MLS Number	14234408
Category	Sleeper Semi Trucks
Last Updated	3/27/2026
Location	WINGER, MN, US
Sold By	Lucken Trucks and Parts

2025 Peterbilt 589 Sleeper Semi Truck - 510HP

$191,181.84 USD

56488 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Wheel Base: 244, Tandem Rear Axles, Front Axle Weight: 12500 lb, Rear Axle Weight: 46000 lb

Condition	Used
Usage	56,488 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	716009A
MLS Number	14009867
Category	Sleeper Semi Trucks
Last Updated	3/25/2026
Location	Saskatoon, SK, Canada
Sold By	Brandt

2025 Peterbilt 567 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 510HP

Contact for price

TANDEM AXLES WITH SPEED INTERLOCK, TAPER LEAF SPRINGS, SHOCKS 18,000 LBS EngineType: MX-13, EngineMake: PACCAR, Axle: TANDEM AXLES WITH SPEED INTERLOCK, PowerType: Diesel, Weight: 53,200,...

Condition	New
Usage	9 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	SD703245
MLS Number	13135428
Category	Sleeper Semi Trucks
Last Updated	3/31/2026
Location	London, ON, Canada
Sold By	Brandt

2025 Peterbilt 567 Sleeper Semi Truck - Paccar 510HP

Contact for price

TANDEM AXLES WITH SPEED INTERLOCK, TAPER LEAF SPRINGS, SHOCKS 18,000 LBS EngineType: MX-13, EngineMake: PACCAR, Axle: TANDEM AXLES WITH SPEED INTERLOCK, PowerType: Diesel, Weight: 64,000,...

Condition	New
Usage	15 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	SD703215
MLS Number	13135414
Category	Sleeper Semi Trucks
Last Updated	3/25/2026
Location	London, ON, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2024 Peterbilt 567 Sleeper Semi Truck - 58" Raised Roof Sleeper, Paccar 510HP

Contact for rental/lease prices

Exterior Color: White, Engine: MX-13, Engine HP: 510, Engine Brake: COMPRESSION BRAKE (MX), Transmission: Fuller RTLO18918B, Exhaust: EXHAUST DUAL SOC, LH SOC STACK AESTHETIC ONLY, DP, Front...

Condition	Used
Usage	2,016 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Sleeper Size	58"
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	16145
MLS Number	12241341
Category	Sleeper Semi Trucks
Last Updated	4/1/2026
Location	Nisku, AB, Canada
Rented/Leased By	Brandt

Email to Rent

(833) 300-___ SHOW
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2021 Freightliner Coronado 122 SD Sleeper Semi Truck - Detroit 605HP, 18 Speed Manual

Contact for price

Installed option, BEACONS LIGHT, WEBASTO, ELECTRONIC SCALE: VISION 15,

Condition	Used
Usage	11,022 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	C-37515
MLS Number	14263132
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(844) 985-___ SHOW
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2021 Kenworth T880 Sleeper Semi Truck - 40" Flat Top Sleeper, Cummins 500HP, Manual

$79,900 USD

WET KIT! 500 HP Cummins X15 with a 13 Speed Manual Transmission in this 40in Single Small Bunk T880 Sleeper! Stainless Steel Dual Exhaust; Air Slide 5th Wheel; Hood Mirrors; Heated Mirrors...

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	3/24/2026
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

(833) 801-___ SHOW
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2014 Western Star 4900 Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 475HP, 10 Speed Manual

$24,000 USD

HEAVY DUTY TRUCK! RUNS EXCELLENT! THICK FRAME, FULL LOCKING REARS, AIR SEAT, POWER WINDOWS, SLIDING 5TH WHEEL, CHALMERS HEAVY DUTY SUSPENSION DUAL EXHAUST! *LOW MILES,

Condition	Used
Usage	226,708 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15TC
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	14DET226FLATWS
MLS Number	14250654
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2024 Peterbilt 389 Sleeper Semi Truck - Cummins 565HP

$182,422.07 USD

432746 Miles, 7959 Hours, Engine: CUMMINS, 565 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Size: 72, Wheel Base: 265, Tandem Rear Axles, Front Axle Weight: 12000 lb, Rear Axle Weight: 40000...

Condition	Used
Usage	7,959 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Drivetrain	6x4
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.91 ratio
Stock Number	671467A
MLS Number	14120201
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Lloydminster, SK, Canada
Sold By	Brandt

2019 Peterbilt 579 Sleeper Semi Truck - 80" Mid Roof Sleeper, Paccar 510HP

$45,623.77 USD

1011825 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 80, Wheel Base: 240, Tandem Rear Axles, Front Axle Weight: 132000 lb, Rear...

Condition	Used
Usage	1,011,825 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.91 ratio
Stock Number	601554A
MLS Number	14120160
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Saskatoon, SK, Canada
Sold By	Brandt

2025 Peterbilt 589 Sleeper Semi Truck - 510HP

$191,181.84 USD

60089 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Wheel Base: 244, Tandem Rear Axles, Front Axle Weight: 12500 lb, Rear Axle Weight: 46000 lb

Condition	Used
Usage	60,089 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	716011A
MLS Number	13982463
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Saskatoon, SK, Canada
Sold By	Brandt

2025 Peterbilt 589 Sleeper Semi Truck - 510HP

$191,181.84 USD

66353 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Wheel Base: 244, Tandem Rear Axles, Front Axle Weight: 12500 lb, Rear Axle Weight: 46000 lb

Condition	Used
Usage	66,353 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	716006A
MLS Number	13982462
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Lloydminster, SK, Canada
Sold By	Brandt

2025 Peterbilt 589 Sleeper Semi Truck - 510HP

$191,181.84 USD

48193 Miles, Engine: PACCAR, 510 HP, Fuel Type: Diesel, Drive: 6x4, Wheel Base: 244, Tandem Rear Axles, Front Axle Weight: 12500 lb, Rear Axle Weight: 46000 lb

Condition	Used
Usage	48,193 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	716005A
MLS Number	13982460
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt