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

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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

14 0

2020 Peterbilt 389 Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

Contact for price

🔥 2020 Peterbilt 389 – Dark Cherry Beauty 🔥, Stand out on the road with thissharp Dark Cherry 389powered by a Cummins X15 Performance 565HP and an Eaton Fuller 18-speed manual. This truck...

Condition	Used
Usage	609,694 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
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	14892
MLS Number	13785038
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

Recently Updated

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

(844) 900-___ SHOW
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Featured Item

42 1

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$46,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, DEF, TRAILER BRAKE, SUSPENSION AIR DUMP, PDL LOCK, OFF ROAD, PARKED REGEN,...

Condition	Used
Usage	560,105 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 2.64 ratio
Stock Number	B03563-DELIVERY 2 U
MLS Number	13562641
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(844) 900-___ SHOW
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Featured Item

35 1

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 58" Mid Roof Sleeper, Detroit 435HP, 12 Speed Dt12 Automatic

$39,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** 12 SPEED AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, TRAILER BRAKE, Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	470,421 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	435 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	58"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	B03517-DELIVERY 2 U
MLS Number	13517914
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(844) 216-___ SHOW
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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	10/17/2025
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	10/17/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 717-___ SHOW
NUMBERCall Seller

Featured Item

39 1

2020 Freightliner Cascadia 113 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, Automatic

$36,900 USD

**** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 12 SPEED!!!!, SLIDING 5TH WHEEL, DEF, DIFF LOCK, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	697,841 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14964-DELIVERY 2 U
MLS Number	13517795
Category	Sleeper Semi Trucks
Last Updated	10/17/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(866) 314-___ SHOW
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9 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - Detroit 455HP, 10 Speed Manual

Newly Listed

$7,250 USD

runs and drives but needs alternator, salvage title, manual trans,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	10765
MLS Number	13907435
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(855) 910-___ SHOW
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10 0

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

Newly Listed

$56,950 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	484,458 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	3572
MLS Number	13907183
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

1 0

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

Recently Updated

$45,495 USD

GREAT START OUT TRUCK.SUPER CLEAN .FLEET MAINTAINED.GREAT MILES.DET DD13 450HP.DT12 AUTO.SMALL BUNK.GREAT FOR LTL HAULS. NAP,

Condition	Used
Usage	513,791 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	14879
MLS Number	13879664
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(844) 624-___ SHOW
NUMBERCall Seller

1 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$79,950 USD

263468 Miles, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 12 Speed Endurant Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76,...

Condition	Used
Usage	263,468 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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	DD10789
MLS Number	13873817
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

13 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$79,950 USD

263468 Miles, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 12 Speed Endurant Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76,...

Condition	Used
Usage	263,468 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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	CO10789
MLS Number	13873816
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

13 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$79,950 USD

263468 Miles, 7748 Hours, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 12 Speed Endurant Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	7,748 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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	CO10789
MLS Number	13873815
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(855) 910-___ SHOW
NUMBERCall Seller

10 0

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

Price Drop

$56,950 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	483,590 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	3549
MLS Number	13870477
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 910-___ SHOW
NUMBERCall Seller

10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Price Drop

$49,950 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	483,825 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	3516
MLS Number	13866677
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

33 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Recently Updated

$56,000 USD

Inspection Report

Condition	Used
Usage	233,792 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	503376
MLS Number	13687615
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Recently Updated

$60,250 USD

Inspection Report

Condition	Used
Usage	168,290 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	503334
MLS Number	13862247
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

33 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Recently Updated

$60,250 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	165,006 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	502841
MLS Number	13671041
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

6 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Recently Updated

$57,250 USD

Inspection Report

Condition	Used
Usage	202,442 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
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	502483
MLS Number	13531139
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
NUMBERCall Seller

33 0

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

Recently Updated

$57,977 USD

Inspection Report

Condition	Used
Usage	250,984 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	501913
MLS Number	13412945
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(844) 912-___ SHOW
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48 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, Automatic

Recently Updated

$64,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** DD15 DETROIT, COLLISION MITIGATION, AIR RIDE SEATS!!!! SLIDING 5TH WHEEL!!!!! Se Habla Español! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	499,040 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	F02781-DELIVERY 2 U
MLS Number	13865410
Category	Sleeper Semi Trucks
Last Updated	10/18/2025
Location	Fort Worth, TX, US
Sold By	Diamond Truck Sales Inc