6x4 Sleeper Semi Trucks For Sale in United States

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2020 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Recently Updated

$54,000 USD

Condition	Used
Usage	346,226 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	51152
MLS Number	13702708
Category	Sleeper Semi Trucks
Last Updated	1/26/2026
Location	Edwardsville, IL, US
Sold By	Schneider

(833) 781-___ SHOW
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2020 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Recently Updated

$59,500 USD

Condition	Used
Usage	259,942 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	51154
MLS Number	13776872
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Edwardsville, IL, US
Sold By	Schneider

(866) 530-___ SHOW
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2019 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, Automatic

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2019 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 662,000 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME...

Condition	Used
Usage	662,000 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
Rear End	40,000 lb
Stock Number	6649
MLS Number	14097551
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(844) 624-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$109,950 USD

191443 Miles, Engine: DETROIT DD15, 450 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76,...

Condition	Used
Usage	191,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109181
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$109,950 USD

191443 Miles, Engine: DETROIT DD15, 450 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76,...

Condition	Used
Usage	191,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109178
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(833) 478-___ SHOW
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2026 Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

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BRANS NEW 2026 Kenworth T880 Heavy Haul 52" Regional Sleeper, 1271 miles, Cummins 565hp, 18 speed manual trans, Vantage interior, 425/65R22.5 steers 11R24.5 drives, 265" wheelbase, 4.10 rar...

Condition	Used
Usage	1,271 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15P
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Neway
Rear Axle	Tri Axle
Rear End	66,000 lb
Stock Number	7157
MLS Number	14109177
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(866) 314-___ SHOW
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2004 Kenworth T800 Sleeper Semi Truck - Cummins 475HP, 13 Speed Manual

Newly Listed

$13,500 USD

runs and drives but has head gasket issue, studio sleeper, cummins, 13 speed,

Condition	Used
Usage	880,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	13 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	10802
MLS Number	14109146
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(833) 478-___ SHOW
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2023 Peterbilt 389 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

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2023 Spec'd for the long haul. Cummins 565 and 18spd. Call today

Condition	Used
Usage	523,565 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7142
MLS Number	14109082
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(888) 853-___ SHOW
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2017 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 10 Speed Amt

Newly Listed

$39,900 USD

Paccar MX13 455 hp, Eaton FAOM-15810S-EP3 10 speed auto, full locking rears, air ride with suspension dump, Gardner/Denver Wet Kit, A/S 5th wheel, LoPro 22.5 tires on aluminum wheels, dual...

Condition	Used
Usage	711,590 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1326
MLS Number	14109063
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(833) 538-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 605HP, 18 Speed Manual

Recently Updated

$120,900 USD

500000 Miles, Engine: CUMMINS X15, 605 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Wheels:...

Condition	Used
Usage	500,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	765972
MLS Number	14094768
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 801-___ SHOW
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2019 Freightliner Coronado 122 Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 475HP, 10 Speed Endurant Amt

Recently Updated

$22,000 USD

NICE TRUCK, RUNS EXCELLENT, AIR SEAT, POWER WINDOW, DUAL EXHAUST, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	1,023,246 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	19DET102XTCOR
MLS Number	14094767
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 538-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, Amt

Recently Updated

$82,900 USD

344768 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheels: Aluminum, Wheel...

Condition	Used
Usage	344,768 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.16 ratio
Stock Number	3986
MLS Number	14088489
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 478-___ SHOW
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2015 Freightliner Coronado 132 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 500HP, 13 Speed Manual

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2014 Coronado Glider equipped with a Detroit 12.7 Series 60 500hp and 13spd! Call for more info today!,

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	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	7127
MLS Number	14080209
Category	Sleeper Semi Trucks
Last Updated	1/27/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 538-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

Recently Updated

$63,900 USD

427136 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Tires: new...

Condition	Used
Usage	427,136 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	3900
MLS Number	14078400
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 422-___ SHOW
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2014 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, Automatic

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We have multiple trucks for sale! Call or message us to learn more! 2014 Freightliner Cascadia 125, DD15 Detroit 15L - 450 hp, Runs and drives good, Automatic trans, Sleeps 2, Good tires and...

Condition	Used
Usage	1,012,883 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Allison HS Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	FU0351
MLS Number	14023663
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Byron Center, MI, US
Sold By	Trailer Equipment Inc. & Trailer X-Press Inc.

(844) 435-___ SHOW
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Trailer Equipment Inc. & Trailer X-Press Inc.

2026 International HX Sleeper Semi Truck - Cummins 565HP, Manual

Recently Updated

$204,900 USD

2596 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 250, Tandem Rear Axles

Condition	New
Usage	2,596 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.73 ratio
Stock Number	359931
MLS Number	14017472
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Bangor, ME, US
Sold By	Allegiance 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

Price Drop $42,950 USD

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, Oil Changed Every 45K...

Condition	Used
Usage	483,384 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	3506
MLS Number	13998190
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 370-___ SHOW
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2016 International LoneStar Sleeper Semi Truck - Cummins 450HP, 13 Speed Manual

Recently Updated

$29,900 USD

2016 International Lonestar Tandem Axle 73" Condo Sleeper, Cummins ISX15 450HP Engine, Manual 13-Spd Fuller RTLO18913A Transmission, Air Ride Suspension, 52,000 GVW, 12,000# hfs13143ann229...

Condition	Used
Usage	20,499 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	16IH143
MLS Number	13971849
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Sioux Falls, SD, US
Sold By	Vander Haag's Inc.

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

Price Drop $44,950 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	448,391 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	3596
MLS Number	13963586
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 985-___ SHOW
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2020 Kenworth T680 Sleeper Semi Truck - 52" Mid Roof Sleeper, Paccar 455HP, Automatic

Recently Updated

$42,900 USD

PRICED TO MOVE! This 2020 Kenworth T680 Single Bunk Sleeper has received our full 180 Point Dealer Inspection making it not only a reliable tool for your business but a quality one! This...

Condition	Used
Usage	366,123 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	8680103
MLS Number	13943090
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Pewaukee, WI, US
Sold By	JX Truck Center

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$53,750 USD

Inspection Report

Condition	Used
Usage	412,476 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	505239
MLS Number	14108279
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Newly Listed

$45,500 USD

Inspection Report

Condition	Used
Usage	321,198 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
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	502285
MLS Number	14108254
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

(855) 910-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Price Drop $46,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	479,984 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	3558
MLS Number	13820501
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 321-___ SHOW
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2022 Volvo VNL64T860 Sleeper Semi Truck - 86" Raised Roof Sleeper, D13N455 455HP, 12 Speed I Shift Automatic

Recently Updated

$79,900 USD

Manufacturer’s Engine Warranty: Balance of VOLVO 5 Year/500,000 Mile Major Components Warranty, In Service: 9/3/2021, SPECIAL!!! - WAS $83,900 NOW $ 79,900, MUST GO,

Condition	Used
Usage	11,021 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13N455
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	1704
MLS Number	14043748
Category	Sleeper Semi Trucks
Last Updated	1/24/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales