Used 6x4 Sleeper Semi Trucks For Sale

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Tri State Truck Center - Springfield, MO

Featured Item

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$54,999 USD

FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	474,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	11/11/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

29 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$75,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 359,000 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	359,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6889
MLS Number	13773660
Category	Sleeper Semi Trucks
Last Updated	10/22/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

Featured Item

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2021 Volvo VNL64T760 Sleeper Semi Truck

$86,995 USD

2021 VOLVO 760, VOLVO D13 ENGINE, AUTOMATIC 12 SPEED, 291,051 MILES, FLEET MAINTAINED, ORIGINAL TIRES, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	291,051 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2738
MLS Number	13517347
Category	Sleeper Semi Trucks
Last Updated	10/22/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

Featured Item

45 0

2021 International LoneStar Sleeper Semi Truck - Cummins 485HP, 13 Speed Manual

$84,995 USD

2021 INTERNATIONAL LONESTAR, CUMMINS X15, 485 HP, 324,029 MILES, 13 SPEED MANUAL TRANSMISSION, 3.25 RATIO, 250" WHEEL BASE, BRAND NEW TIRES FINANCING AVAILABLE FOR ALL CREDIT TYPES,...

Condition	Used
Usage	324,029 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	5067
MLS Number	13482072
Category	Sleeper Semi Trucks
Last Updated	10/22/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

Featured Item

76 0

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	10/22/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

Featured Item

24 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$51,500 USD

430,655 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Automatic, Double Bunk, Aluminum wheels, Battery APU, Collision Mitigation System, Inverter, Air Slide 5th Wheel,...

Condition	Used
Usage	430,655 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399405
MLS Number	13586519
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

Featured Item

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2018 Mack Pinnacle CXU613 Sleeper Semi Truck - MP8, Automatic

Contact for price

711169 Miles, Engine: MACK MP8, 10 Speed M Drive AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Wheels: Aluminum, Tandem Rear Axles, Rear Axle Weight:...

Condition	Used
Usage	711,169 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	10 Speed mDRIVE Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	086750
MLS Number	13429473
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

Featured Item

25 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, Automatic

$61,900 USD

Fleet Maintained, Stock MA9710, Miles 465,201, Detroit DD15, 505 HP, DT 12 Automatic, Refrigerator, New mattress, 2.85 Ratio, 225" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors...

Condition	Used
Usage	465,201 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MA9710
MLS Number	12701832
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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Featured Item

18 0

2005 Peterbilt 387 Sleeper Semi Truck - Raised Roof Sleeper, Caterpillar 668HP, 18 Speed Manual

$22,999 USD

CATERPILLAR MOTOR 668HP -- 18SPD TRANSMISSION - DOUBLE BUNK SLEEPER - TANDEM AXLE - FRIDGE,

Condition	Used
Usage	752,803 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	668 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	D879063
MLS Number	13788525
Category	Sleeper Semi Trucks
Last Updated	11/11/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

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29 0

2020 International LoneStar Sleeper Semi Truck - Flat Top Sleeper, Cummins 605HP, 18 Speed Manual

$69,999 USD

CUMMINS X15 605 HP - 18 SPD MANUAL - FLAT TOP - 302,859 MILES - DUAL ALUMINUM TANKS - AIR RIDE - SINGLE BUNK,

Condition	Used
Usage	302,000 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	605
MLS Number	13630297
Category	Sleeper Semi Trucks
Last Updated	11/11/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

4 0

2012 Volvo VNL64T630 Sleeper Semi Truck - 475HP

Contact for price

Truck passed DOT, New Injectors/new cups, fresh pm 4/18/2023, Clean vehicle history report see service logs for details Currently tow truck,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	1702
MLS Number	11056053
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 781-___ SHOW
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18 0

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Recently Updated

$68,200 USD

Condition	Used
Usage	449,842 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	52609
MLS Number	13881046
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Houston, TX, US
Sold By	Schneider

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33 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Price Drop

$53,250 USD

Inspection Report

Condition	Used
Usage	479,466 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	504224
MLS Number	13769504
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Kansas City, MO, US
Sold By	International Motors, LLC

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1 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Price Drop

$53,250 USD

Inspection Report

Condition	Used
Usage	477,087 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	504223
MLS Number	13769503
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Kansas City, MO, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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1 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$60,000 USD

Inspection Report

Condition	Used
Usage	354,920 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	503378
MLS Number	13977778
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Baltimore, MD, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$57,250 USD

Worry-Free Program AVAILABLE � 1 OR 2-Year Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Preventive Maintenance Service AVAILABLE. $0 Deductible. No Claim...

Inspection Report

Condition	Used
Usage	405,784 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500855
MLS Number	13417297
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$47,750 USD

1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations.

Inspection Report

Condition	Used
Usage	498,606 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500840
MLS Number	13328705
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$54,250 USD

Inspection Report

Condition	Used
Usage	465,277 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500839
MLS Number	13915972
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$50,750 USD

Inspection Report

Condition	Used
Usage	443,584 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500833
MLS Number	13430807
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$48,500 USD

Inspection Report

Condition	Used
Usage	489,873 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500955
MLS Number	13559873
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$44,250 USD

Inspection Report

Condition	Used
Usage	492,120 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	500956
MLS Number	13606640
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$53,000 USD

Inspection Report

Condition	Used
Usage	420,713 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	501153
MLS Number	13326607
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$53,500 USD

Inspection Report

Condition	Used
Usage	412,035 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	501124
MLS Number	13606639
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

6 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$51,000 USD

Inspection Report

Condition	Used
Usage	429,416 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	501125
MLS Number	13326605
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC