Used 6x4 Sleeper Semi Trucks For Sale in United States

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$69,500 USD

CUMMINS X1512 SPEED AUTOMATEDDOUBLE BUNK

Condition	Used
Usage	487,944 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505643
MLS Number	14101452
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(833) 781-___ SHOW
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2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$58,700 USD

Condition	Used
Usage	413,843 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	30336
MLS Number	14007469
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Carlisle, PA, US
Sold By	Schneider

(866) 530-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$56,995 USD

FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS WELCOME, NATIONWIDE DELIVERY AVAILABLE...

Condition	Used
Usage	435,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2450
MLS Number	14054734
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(855) 489-___ SHOW
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2022 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$59,000 USD

Price Includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 450hp Cummins,12 speed Endurant transmission, Refrigerator, Disc Brakes,

Condition	Used
Usage	16,500 Hours
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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2145
MLS Number	13881116
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 605-___ SHOW
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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	1/20/2026
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(833) 904-___ SHOW
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2021 International LoneStar Sleeper Semi Truck - Raised Roof Sleeper, Cummins 485HP, 12 Speed Ultrashift Plus Amt

$84,500 USD

2021 International Lonestar, X15 Cummins 485 Hp, 12 Spd Automated, 306k Mi, Nationwide Delivery Available,

Condition	Used
Usage	306,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Ultrashift Plus Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7221
MLS Number	14094819
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

2002 Peterbilt 379EXHD Sleeper Semi Truck - 63" Mid Roof Sleeper, Cummins 500HP, 10 Speed Manual

$35,000 USD

GOOD TRUCK, RUNS EXCELLENT, DUAL EXHAUST, DUAL BREATHERS, AIR SEAT, DOUBLE BUNK, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL, TILT/TELE, DUMP VALVE! NEW PAINT!!,

Condition	Used
Usage	1,327,003 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins N14 CELECT PLUS
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	02N14137379
MLS Number	13789670
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$89,700 USD

Condition	Used
Usage	380,736 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	31383
MLS Number	13738064
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Gary, IN, US
Sold By	Schneider

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$89,700 USD

Condition	Used
Usage	393,834 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32251
MLS Number	14069406
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(855) 981-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - Flat Top Sleeper, Paccar 405HP, Automatic

$34,990 USD

2020 Kenworth T680 Specs:, -Drive: 6x4, -Mileage: 557,742, -Engine: Paccar MX-13, -HP:405, -Color: Blue, -Wheels: Aluminum, -Tires: 22.5LP, THE NATIONWIDE HAUL EDGE - We finance All...

Condition	Used
Usage	557,742 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNHC36781MAC Web
MLS Number	14007862
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Macon, GA, US
Sold By	Nationwide Haul

(855) 981-___ SHOW
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2020 Volvo VNL64T760 Sleeper Semi Truck - 61" Mid Roof Sleeper, D13 425HP, 12 Speed I Shift Automatic

$44,990 USD

2020 Volvo VNL 760 Sleeper Specs:, -Drive: 6x4, -HP:425, -Mileage: 489,465, - Engine: Volvo D13, -Dual Tires, -Wheels: Aluminum, -Suspension: Air-ride, -Single Bunk, -Color: Grey THE...

Condition	Used
Usage	489,465 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	TNHC30843LAK
MLS Number	13952659
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	Lakeland, FL, US
Sold By	Nationwide Haul

2015 Freightliner Cascadia 125 Sleeper Semi Truck - 73" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$13,000 USD

GOOD TRUCK, RUNS EXCELLENT, DOUBLE BUNK, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, AIR SEAT! *SALVAGE TITLE!,

Condition	Used
Usage	1,023,499 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	15DET102CAS
MLS Number	14083854
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(888) 758-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$52,250 USD

Inspection Report

Condition	Used
Usage	466,504 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	505391
MLS Number	14081998
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

2020 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, A26 450HP, 12 Speed

$37,250 USD

Inspection Report

Condition	Used
Usage	395,932 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	505305
MLS Number	14081996
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Baltimore, MD, US
Sold By	International Motors, LLC

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

$50,750 USD

Inspection Report

Condition	Used
Usage	489,509 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	505451
MLS Number	14081984
Category	Sleeper Semi Trucks
Last Updated	1/10/2026
Location	Baltimore, MD, US
Sold By	International Motors, LLC

(844) 823-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$62,500 USD

1 or 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations

Inspection Report

Condition	Used
Usage	388,960 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 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	505310
MLS Number	14018600
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$59,750 USD

CUMMINS X1512 SPEED AUTOMATED AUXILIARY POWER UNIT

Inspection Report

Condition	Used
Usage	451,188 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 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	505476
MLS Number	14079757
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(844) 882-___ SHOW
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2012 Volvo VNL64T630 Sleeper Semi Truck - Raised Roof Sleeper, D11 425HP, Automatic

$10,950 USD

2012 Volvo VNL Sleeper Truck, D11 Diesel Engine, 385HP, AT2612D Auto Transmission, 12,000# Front, 20,000# Rears, Air Ride Drivers Seat, 445/50R/22.5 Super Single Rear Tires (90%)ls,...

Condition	Used
Usage	978,996 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D11
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13576959
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(844) 882-___ SHOW
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2013 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 475HP, 10 Speed Manual

$6,750 USD

Mechanic Special Opportunity, * This truck has been discovered to have fuel in the water. The most likely cause is the need for new injector cups. It runs and drive good otherwise. 2013...

Condition	Used
Usage	1,214,130 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
MLS Number	13486711
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(707) 849-___ SHOW
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2013 Peterbilt 388 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 10 Speed Manual

$58,000 USD

2013 Peterbilt 388 Flat Top Sleeper 350k Miles on Full Inframe with Paperwork 1 mil miles on chassis, Eaton Fuller 10 Speed, Cummins ISX15 Engine, 500HP Well cared for truck, California CARB...

Condition	Used
Usage	1,050,809 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15 500V
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13743870
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$27,000 USD

GOOD TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel!,

Condition	Used
Usage	534,020 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	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	21MX534T680
MLS Number	13696456
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$25,000 USD

GOOD TRUCK, RUNS GREAT, VERY CLEAN, AIR SEATS, DOUBLE BUNK, DIFFERENTIAL LOCK, SLIDING 5TH WHEEL, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE!,

Condition	Used
Usage	588,905 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	20MX588T680
MLS Number	13435521
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 882-___ SHOW
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2012 Mack Pinnacle CHU613 Sleeper Semi Truck - Mid Roof Sleeper, MP8 425HP, 12 Speed M Drive Automatic

$19,950 USD

THIS TRUCK HAS A WET KIT. Pinnacle Sleeper Cab, MP8 Mack Engine 425 HP, M Drive 12 Speed Automatic Transmission, 12,000 # Front Axle, 40,000# Rears, Air Ride, Mack Suspension, Pinnacle...

Condition	Used
Usage	825,223 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13409818
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

2012 International ProStar Sleeper Semi Truck - 75" Mid Roof Sleeper, MAXXFORCE 13 450HP, 10 Speed Manual

$8,000 USD

truck runs and drives, good cab, not rusty, power windows, power mirrors, heated mirrors, differential lock, dump valve, A/S 5th, tilt/tele, smart wheel. *TRUCK HAS A FEW OIL LEAKS BUT RUNS...

Condition	Used
Usage	743,419 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International MAXXFORCE 13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	12MF743PRO
MLS Number	12741847
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales