Used 6x4 Sleeper Semi Trucks For Sale in United States

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$44,900 USD

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Quantity	10
Condition	Used
Usage	445,330 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 Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7354
MLS Number	14543475
Category	Sleeper Semi Trucks
Last Updated	8/29/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2021 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$44,900 USD

CLEAN FLEET MAINTAINED 2021 INTERNATIONAL LT, CULMMINS X15, 450HP, 12 SPEED AUTO TRANSMISSION, 2.64 RATIOS, 73" DOUBLE BUNK CONDO SLEEPER, NO CODES, NO LEAKS, GOOD RUBBER,FRIDGE, COLLISION...

Quantity	10
Condition	Used
Usage	461,458 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 Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	7349
MLS Number	14543473
Category	Sleeper Semi Trucks
Last Updated	8/29/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 321-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$79,900 USD

404389 Miles, 10977 Hours, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Overdrive, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof...

Condition	Used
Usage	10,977 Hours
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
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1758
MLS Number	14532551
Category	Sleeper Semi Trucks
Last Updated	8/26/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

2021 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$54,500 USD

NEW MOTOR! NEW CLUTCH! NEW EGR! 20K WORTH OF WORK DONE BY PETERBILT WITH PAPERWORK! CLEAN FLEET MAINTAINED PETERBILT 579 SLEEPER! PACCAR MX-13, 455HP, 12 SPEED EATON ENDURANT TRANSMISSION,...

Condition	Used
Usage	520,515 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	7359
MLS Number	14532006
Category	Sleeper Semi Trucks
Last Updated	9/2/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2021 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$49,500 USD

CLEAN FLEET MAINTAINED 2021 PETERBILT 579 SLEEPER! PACCAR MX-13, 455HP, 12 SPEED EATON ENDURANT TRANSMISSION, 2.79 RATIOS, POWER INVERTER, TRI PACK DIESEL APU, ALUMINUM WHEELS WITH GOOD...

Quantity	2
Condition	Used
Usage	513,412 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	7358
MLS Number	14532005
Category	Sleeper Semi Trucks
Last Updated	9/1/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(707) 849-___ SHOW
NUMBERCall Seller

2014 Peterbilt 386 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 550HP, 18 Speed Manual

$35,000 USD

2014 Peterbilt 386 – $35,000 Located in Yuba City, California 2014 Peterbilt 386, 550 HP Cummins, 18-Speed Manual Transmission, 950,000 Miles, Engine Overhauled at 675,000 Miles – Paperwork...

Condition	Used
Usage	950,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14563282
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Sacramento, CA, US
Sold By	Personal Asset Brokerage

(844) 624-___ SHOW
NUMBERCall Seller

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

$99,950 USD

2020 INTERNATIONAL LONESTAR, X15 CUMMINS 605HP 2050 TORQUE, FULLY REBUILT ENGINE WITH PAPERWORK!! (PAPERWORK IN THE LOG SECTION BELOW), 495K MILES, 46K REARS, FULL LOCKERS, PUSHER AXLE,...

Condition	Used
Usage	495,702 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
Rear End	46,000 lb
Stock Number	CO11919
MLS Number	14563113
Category	Sleeper Semi Trucks
Last Updated	8/28/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 307-___ SHOW
NUMBERCall Seller

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

$63,000 USD

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

Condition	Used
Usage	433,322 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	40,000 lb 2.79 ratio
Stock Number	505867
MLS Number	14337667
Category	Sleeper Semi Trucks
Last Updated	9/2/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(844) 321-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

$103,900 USD

Manufacturer’s Engine Warranty: Basic Engine 2y/999999 ml, good until 8/28/26, Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/600,000 EW4 Coverage. Good until 8/28/2029,...

Condition	Used
Usage	11,049 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1763
MLS Number	14543598
Category	Sleeper Semi Trucks
Last Updated	8/26/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

2023 Kenworth T680 Sleeper Semi Truck - 450HP, Automatic

$99,995 USD

2023 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 273,295 MILES, FLEET MAINTAINED, MULTIPLE UNITS ARE AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN...

Condition	Used
Usage	273,295 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6809
MLS Number	14535094
Category	Sleeper Semi Trucks
Last Updated	8/29/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2025 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

$90,995 USD

2025 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 466,117 MILES, FLEET MAINTAINED UNDER FACTORY WARRANTY MULTIPLE UNITS AVAILABLE MULTIPLE UNITS AVAILABLE FINANCING...

Condition	Used
Usage	466,117 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	7834
MLS Number	14534959
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2025 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

$91,995 USD

2025 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 461,560 MILES, FLEET MAINTAINED UNDER FACTORY WARRANTY MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT...

Condition	Used
Usage	461,560 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Rear Axle	Tandem Axle
Stock Number	7830
MLS Number	14534957
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2025 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

$93,995 USD

2025 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 448,421 MILES, FLEET MAINTAINED UNDER FACTORY WARRANTY MULTIPLE UNITS AVAILABLE MULTIPLE UNITS AVAILABLE FINANCING...

Condition	Used
Usage	448,421 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	7820
MLS Number	14534950
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2025 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

$94,995 USD

2025 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 442,810 MILES, FLEET MAINTAINED UNDER FACTORY WARRANTY MULTIPLE UNITS AVAILABLE MULTIPLE UNITS AVAILABLE FINANCING...

Condition	Used
Usage	442,810 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	7847
MLS Number	14534949
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(844) 321-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Automatic

$89,900 USD

Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/500,000 EW4 Coverage. In Service: 9/6/2022,

Condition	Used
Usage	9,620 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1755
MLS Number	14516957
Category	Sleeper Semi Trucks
Last Updated	8/28/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(855) 489-___ SHOW
NUMBERCall Seller

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$55,000 USD

Clean Fleet truck, Cummins X15, Endurant 12 speed Auto, 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), Bunk Beds,

Condition	Used
Usage	541,436 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
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 2.79 ratio
Stock Number	2290
MLS Number	14523124
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(844) 624-___ SHOW
NUMBERCall Seller

2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$79,950 USD

FOR SALE — 2023 KENWORTH T680 SLEEPER REMAINING CUMMINS ENGINE AFTERTREATMENT WARRANTY — GOOD UNTIL JULY 15, 2027 OR 500,000 MILES! Take advantage and call today! KEY FEATURES Cummins...

Condition	Used
Usage	409,718 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
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CO11889
MLS Number	14397552
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(866) 579-___ SHOW
NUMBERCall Seller

2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$79,950 USD

FOR SALE — 2023 KENWORTH T680 SLEEPER REMAINING CUMMINS ENGINE AFTERTREATMENT WARRANTY — GOOD UNTIL JULY 15, 2027 OR 500,000 MILES! Take advantage and call today! KEY FEATURES Cummins...

Condition	Used
Usage	409,718 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
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CO11889
MLS Number	14389036
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2020 Freightliner Cascadia Sleeper Semi Truck - 60" Extra-Tall Roof, Detroit, Automatic

$53,000 USD

Condition	Used
Usage	471,834 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	60"
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	65250
MLS Number	14562596
Category	Sleeper Semi Trucks
Last Updated	9/9/2026
Location	Indianapolis, IN, US
Sold By	Schneider

(800) 635-___ SHOW
NUMBERCall Seller

2020 Freightliner Cascadia Sleeper Semi Truck - 60" Extra-Tall Roof, Detroit, Automatic

$45,000 USD

Condition	Used
Usage	596,146 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	410 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	60"
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	65256
MLS Number	14562594
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	MECHANICSBURG, PA, US
Sold By	Schneider

2025 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$98,200 USD

Condition	Used
Usage	372,456 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15GEN5-CRB
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	33747
MLS Number	14562563
Category	Sleeper Semi Trucks
Last Updated	9/11/2026
Location	Carlisle, PA, US
Sold By	Schneider

2025 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle, MirrorEye Equipped

$93,700 USD

Condition	Used
Usage	425,578 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	33609
MLS Number	14562555
Category	Sleeper Semi Trucks
Last Updated	8/26/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

2025 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$83,700 USD

Condition	Used
Usage	509,256 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	33325
MLS Number	14562550
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	ATLANTA, GA, US
Sold By	Schneider

2022 International LT Sleeper Semi Truck - 73" Raised Roof, Cummins, Automatic, Battery Powered HVAC with Optimized Idle

$40,200 USD

Condition	Used
Usage	582,474 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	52827
MLS Number	14562516
Category	Sleeper Semi Trucks
Last Updated	8/25/2026
Location	West Memphis, AR, US
Sold By	Schneider