6x4 Sleeper Semi Trucks with Air Ride Suspension For Sale

Featured Item

22 1

2020 Freightliner Cascadia 116 Sleeper Semi Truck - 42" Flat Top Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$45,495 USD

2020 Freightliner Cascadia 116 – 500K Miles – DD13 / DT12 – Super Clean Fleet Unit, Stock #14877— Great starter or fleet addition! This2020 Freightliner Cascadia 116issuper clean,fleet...

Condition	Used
Usage	500,447 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	42"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	14877
MLS Number	13850508
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

Featured Item

16 0

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

$85,495 USD

2022 Kenworth T880 – Cummins X15 / Endurant 12-Speed, Southern truck – well cared for and clean, 467,271 miles – verified odometer, Cummins X15, 500 HP with Eaton Endurant 12-speed...

Condition	Used
Usage	467,271 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	14865
MLS Number	13852740
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

Featured Item

22 2

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Cummins 450HP, 10 Speed Ultrashift Plus Amt

$59,495 USD

2020 Freightliner Cascadia 126 – Cummins X15 / Ultrashift Plus Stock #14884 Sharpnew-body-style Cascadia 126powered by aCummins X15 (450 HP)andEaton/Fuller Ultrashift Plus 10-speed automated...

Condition	Used
Usage	433,463 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Ultrashift Plus Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	14884
MLS Number	13811547
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

Featured Item

38 2

2020 Freightliner Coronado 132 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 500HP, 10 Speed Manual

Contact for price

2020 Freightliner Coronado 132 – Glider / Fresh Inframe / 500HP Detroit Stock #14860 Beautiful2020 Freightliner Coronado Gliderpowered by the legendaryDetroit 12.7L Series 60 (500 HP). This...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit SERIES 60 12.7 DDEC V
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	14860
MLS Number	13760727
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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 Center

Featured Item

49 0

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 Center

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 Center

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 Center

(844) 216-___ SHOW
NUMBERCall Seller

Featured Item

24 0

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

(844) 216-___ SHOW
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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

(833) 801-___ SHOW
NUMBERCall Seller

5 0

2019 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Ultrashift Amt

Newly Listed

$20,000 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	583,377 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	19MX583T680
MLS Number	13933648
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

17 1

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, Automatic

Newly Listed

$49,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, PACCAR, LIQUID DEF Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:, “All...

Condition	Used
Usage	481,235 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	H01678-DELIVERY 2 U
MLS Number	13932136
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(844) 624-___ SHOW
NUMBERCall Seller

17 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$59,950 USD

2022 KENWORTH T680 – Premium sleeper with APU, dual bunk, 76" sleeper, and low miles!, Located in Commerce City, CO – 368,854 miles **PRE-DETAIL PICS** This 2022 Kenworth T680 features a...

Condition	Used
Usage	9,471 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	DD10796
MLS Number	13900008
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

16 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$59,950 USD

2022 KENWORTH T680 – Premium sleeper with APU, dual bunk, 76" sleeper, and low miles!, Located in Commerce City, CO – 368,854 miles **PRE-DETAIL PICS** This 2022 Kenworth T680 features a...

Condition	Used
Usage	9,471 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10796
MLS Number	13899994
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

15 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$59,950 USD

2022 KENWORTH T680 – Premium sleeper with APU, dual bunk, 76" sleeper, and low miles!, Located in Commerce City, CO – 368,854 miles **PRE-DETAIL PICS** This 2022 Kenworth T680 features a...

Condition	Used
Usage	9,471 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10796
MLS Number	13899991
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

43 0

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

Recently Updated

$71,995 USD

WALMART TRUCK! LOADED! 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 391,610 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION...

Condition	Used
Usage	391,610 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	8091
MLS Number	13879844
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Center

(855) 647-___ SHOW
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10 0

2020 Peterbilt 579 Sleeper Semi Truck 510HP 10 Speed Manual

Newly Listed

$45,999 USD

2020 Peterbilt Mid Roof with 510HP 10 Speed Manual

Warranty

Condition	Used
Usage	555,612 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	271553
MLS Number	13928132
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Bolingbrook, IL, US
Sold By	Arrow Truck Sales - Chicago, IL

(833) 801-___ SHOW
NUMBERCall Seller

6 0

2018 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 10 Speed Ultrashift Amt

Recently Updated

$20,000 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	877,128 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	10 Speed Ultrashift 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	18MX877T680
MLS Number	13825819
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

10 0

2020 International LT Sleeper Semi Truck - 68" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$46,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC 12-SPEED!!! CUMMINS X15, DEF, ENGINE BRAKE, SLEEPER WINDOW, SLIDING 5TH WHEEL, OFF ROAD, AIR RIDE, PDL LOCK, Se...

Condition	Used
Usage	425,084 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
Sleeper Size	68"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	F02754-DELIVERY 2 U
MLS Number	13800812
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Fort Worth, TX, US
Sold By	Diamond Truck Sales Inc

39 1

2020 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$52,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, CUMMINS, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:,...

Condition	Used
Usage	392,417 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	F02737-DELIVERY 2 U
MLS Number	13777060
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Fort Worth, TX, US
Sold By	Diamond Truck Sales Inc

15 0

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 405HP, 12 Speed Automatic

Price Drop

$49,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, 5TH WHEEL, MINI FRIDGE, SLEEPER WINDOW, APU, Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	432,047 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	H01685-DELIVERY 2 U
MLS Number	13685281
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(833) 904-___ SHOW
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41 1

2011 Kenworth W900L Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, 10 Speed Amt

Newly Listed

$49,500 USD

2011 Kenworth W900L Sleeper, 450hp Cummins ISX15, Deleted, 10spd Automated Transmission, 1.4 Million Miles, Air Ride Suspension, 250in Wheelbase, 1 Line Wet Kit, Nationwide Delivery...

Condition	Used
Usage	1,470,425 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7527
MLS Number	13922345
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(855) 647-___ SHOW
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9 0

2021 Kenworth T680 Sleeper Semi Truck Cummins 450HP 420K Miles

Newly Listed

$52,999 USD

2021 Loaded Kenworth T680 Free Warranty

Condition	Used
Usage	423,082 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	12 Speed Ultrashift Plus Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	271781
MLS Number	13920046
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Bolingbrook, IL, US
Sold By	Arrow Truck Sales - Chicago, IL

(866) 314-___ SHOW
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13 0

2016 Freightliner Cascadia 125 Sleeper Semi Truck - Flat Top Sleeper, Detroit 505HP, 10 Speed Manual

Newly Listed

$13,500 USD

drives well, locking rears, manual trans, engine reads 109,000 miles, 811k on chassis, 505 hp, engine brake, headache rack,

Condition	Used
Usage	811,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 3.58 ratio
Stock Number	10767
MLS Number	13918127
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel