Heavy Duty 6x4 Sleeper Semi Trucks For Sale

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

Recently Updated

$63,000 USD

Condition	Used
Usage	493,924 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	505870
MLS Number	14167034
Category	Sleeper Semi Trucks
Last Updated	7/25/2026
Location	Conley, GA, US
Sold By	International Motors, LLC

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 405HP, 10 Speed Manual

Recently Updated

$59,950 USD

Condition	Used
Usage	461,956 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	CO11799
MLS Number	14490170
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(855) 910-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck

Condition	Used
Usage	491,991 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3509
MLS Number	14487736
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 781-___ SHOW
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2025 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$98,200 USD

Condition	Used
Usage	376,451 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	33059
MLS Number	14504163
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	West Memphis, AR, US
Sold By	Schneider

(844) 216-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck

Recently Updated

$38,200 USD

714,510 Miles, DD15 Detroit, 400 HP, DT12 Automated, 2.16 Ratio, 226" WB, 12500# Fronts, 40,000# Rears, Double Bunk Sleeper, Bluetooth, Inter-Axle Lock, Air Suspension Dump, Air Slide 5th...

Condition	Used
Usage	714,510 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
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 2.16 ratio
Stock Number	MA9678
MLS Number	13463920
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 986-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP

Newly Listed

$99,900 USD

388787 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Size: 72, Tandem Rear Axles

Condition	Used
Usage	388,787 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Size	72"
Rear Axle	Tandem Axle
Stock Number	249783
MLS Number	14503129
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$76,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 513,000 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION SYSTEM, BLIND SPOT...

Condition	Used
Usage	513,308 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	5157
MLS Number	14503126
Category	Sleeper Semi Trucks
Last Updated	7/26/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$75,995 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	477,000 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	2378
MLS Number	14503125
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$77,995 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	443,000 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	1942
MLS Number	14503124
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$78,995 USD

MULTIPLE SIMILAR UNITS ARE AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS...

Condition	Used
Usage	429,000 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	2494
MLS Number	14503123
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$78,995 USD

MULTIPLE SIMILAR UNITS ARE AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS...

Condition	Used
Usage	425,000 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	2221
MLS Number	14503119
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$81,995 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	412,000 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
Stock Number	1630
MLS Number	14503115
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Newly Listed

$72,995 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	447,000 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
Stock Number	7078
MLS Number	14503114
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(470) 303-___ SHOW
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2019 Freightliner Coronado 122 SD Sleeper Semi Truck

Recently Updated

$64,900 USD

VERY CLEAN CORONADO 122SD:505hp DD15/10SPD STD SHIFT./14700#/40000#/INTER AXLE LOCK/TRACTION CONTROL DIFF./TALL RUBBER AND ALUM. WHEELS. PHOTOS ARE PRIOR TO DETAIL ETC.

Condition	Used
Usage	17,853 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Rear End	3.70 ratio
Stock Number	LO204
MLS Number	14490342
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Griffin, GA, US
Sold By	Davis Atlantic Trux

(833) 300-___ SHOW
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2023 Kenworth W990 Sleeper Semi Truck - 60" Raised Roof Sleeper, Paccar 510HP, 13 Speed Manual

Newly Listed

Contact for price

BEACONS LIGHT, FRIGO, WEBASTO, Inverter modelEATON 1800 WATT,

Condition	Used
Usage	7,944 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.42 ratio
Stock Number	C-37801
MLS Number	14503024
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$70,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Sliding 5th Wheel, Automatic Transmission, Espar Bunk Heater, 1500-Watt invertor, Refrigerator, TV Mounting Bracket, Opti Idle, Detroit...

Condition	Used
Usage	489,720 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3806
MLS Number	14502959
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 478-___ SHOW
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2022 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

Contact for price

GREAT START OUT TRUCK.CUMMINS X15 450HP,ENDURANT AUTOMATIC. DOUBLE BUNK, GREAT MILES,READY TO GO

Condition	Used
Usage	524,083 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.15 ratio
Stock Number	7432
MLS Number	14502912
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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

Recently Updated

$98,200 USD

Condition	Used
Usage	341,107 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	31019
MLS Number	13523344
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	ATLANTA, GA, US
Sold By	Schneider

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$87,950 USD

NEW-GEN AERODYNAMIC BODY STYLE | 450 HP CUMMINS X15 | ENDURANT 12-SPEED | 76" DOUBLE BUNK | COLLISION MITIGATION Built for maximum fuel efficiency, driver comfort, and dependable long-haul...

Condition	Used
Usage	334,682 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	WS11753
MLS Number	14502710
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$87,950 USD

NEW-GEN AERODYNAMIC BODY STYLE | 450 HP CUMMINS X15 | ENDURANT 12-SPEED | 76" DOUBLE BUNK | COLLISION MITIGATION Built for maximum fuel efficiency, driver comfort, and dependable long-haul...

Condition	Used
Usage	334,682 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	WS11753
MLS Number	14502709
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$89,950 USD

Condition	Used
Usage	334,543 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	WS11752
MLS Number	14502705
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$89,950 USD

Condition	Used
Usage	334,543 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	WS11752
MLS Number	14502704
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(855) 910-___ SHOW
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2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$50,500 USD

Cummins Engine, N.A.P., Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every...

Condition	Used
Usage	448,687 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	3594
MLS Number	14476846
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 985-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 80" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$66,900 USD

2023 Freightliner Cascadia with a Strong 455hp DD15 Engine Paired with a 12 Speed Automatic DT12 Transmission! Priced to Sell! Double Bunk High Top Sleeper; Air Slide 5th Wheel; Hood Mirrors...

Condition	Used
Usage	506,572 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
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	8680584
MLS Number	14474754
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center