Used Tandem Axle 6x4 Sleeper Semi Trucks For Sale

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 Outlet

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 Outlet

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 Outlet

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 Outlet

Featured Item

24 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$51,500 USD

430,655 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Automatic, Double Bunk, Aluminum wheels, Battery APU, Collision Mitigation System, Inverter, Air Slide 5th Wheel,...

Condition	Used
Usage	430,655 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	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399405
MLS Number	13586519
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

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

(844) 940-___ SHOW
NUMBERCall Seller

Featured Item

18 0

2005 Peterbilt 387 Sleeper Semi Truck - Raised Roof Sleeper, Caterpillar 668HP, 18 Speed Manual

$22,999 USD

CATERPILLAR MOTOR 668HP -- 18SPD TRANSMISSION - DOUBLE BUNK SLEEPER - TANDEM AXLE - FRIDGE,

Condition	Used
Usage	752,803 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	668 HP
Engine Model	Caterpillar C15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	D879063
MLS Number	13788525
Category	Sleeper Semi Trucks
Last Updated	11/11/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 940-___ SHOW
NUMBERCall Seller

Featured Item

29 0

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

$69,999 USD

CUMMINS X15 605 HP - 18 SPD MANUAL - FLAT TOP - 302,859 MILES - DUAL ALUMINUM TANKS - AIR RIDE - SINGLE BUNK,

Condition	Used
Usage	302,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	605
MLS Number	13630297
Category	Sleeper Semi Trucks
Last Updated	11/11/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

4 0

2012 Volvo VNL64T630 Sleeper Semi Truck - 475HP

Contact for price

Truck passed DOT, New Injectors/new cups, fresh pm 4/18/2023, Clean vehicle history report see service logs for details Currently tow truck,

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Drivetrain	6x4
Rear Axle	Tandem Axle
Stock Number	1702
MLS Number	11056053
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks 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

Newly Listed

$47,950 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	485,133 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	3519
MLS Number	13980774
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 900-___ SHOW
NUMBERCall Seller

54 1

2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$52,900 USD

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

Condition	Used
Usage	609,690 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	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	L01590-DELIVERY 2 U
MLS Number	13964027
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

29 4

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop

$70,950 USD

For Sale: 2022 Kenworth T880 Sleeper Equipped with a 450hp Cummins X15, paired with an Endurant 12-Speed Automatic Transmission. Additional Features Include: 76" Mid Roof Single Bunk Sleeper...

Condition	Used
Usage	484,747 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	RTCO10775
MLS Number	13963704
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

28 0

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

Price Drop

$45,950 USD

For Sale: 2021 International Sleeper Truck – Cummins Power, Fully Loaded, *STOCK PHOTOS OF SISTER TRUCK*, Dominate the Road in Comfort: The 2021 International with Cummins X15 Power!, Ready...

Condition	Used
Usage	474,250 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	RTCO10761
MLS Number	13963702
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 985-___ SHOW
NUMBERCall Seller

1 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$60,999 USD

Brand NEW Virgin Tires! This 2022 Kenworth T680 is powered by a Cummins X15 450hp Engine and a 12 Speed Automatic Transmission. Only 405k miles it has a spacious double bunk sleeper; air...

Condition	Used
Usage	405,287 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	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680132
MLS Number	13963623
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Pewaukee, WI, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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1 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$57,999 USD

Brand NEW Virgin Tires! This 2022 Kenworth T680 is powered by a Cummins X15 450hp Engine and a 12 Speed Automatic Transmission. It has a spacious double bunk sleeper; air ride seats; 227in...

Condition	Used
Usage	471,561 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	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680138
MLS Number	13963622
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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1 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$63,999 USD

Brand NEW Virgin Tires! Only 387k Miles! This 2022 Kenworth T680 is powered by a Cummins X15 450hp Engine and a 12 Speed Automatic Transmission. It has a spacious double bunk sleeper; air...

Condition	Used
Usage	387,533 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	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8680130
MLS Number	13963620
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Wyoming, MI, US
Sold By	JX Truck Center

(855) 807-___ SHOW
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43 0

2019 Peterbilt 389 Sleeper Semi Truck - 68" Mid Roof Sleeper, Cummins 500HP, 13 Speed Manual

Recently Updated

$71,500 USD

CLEAN 2019 PETERBILT 389, CUMMINS X15, 500HP, 13 SPEED TRANSMISSION, VIRGIN RUBBER, DUAL BREATHERS, DUAL STACKS, AIRLINER SUSPENSION, 2 TOOL BOXES, HEADACHE RACK, READY TO WORK!,

Condition	Used
Usage	754,170 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.36 ratio
Stock Number	7111
MLS Number	13961869
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(833) 801-___ SHOW
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17 0

2019 Volvo VNL64T740 Sleeper Semi Truck - 74" Mid Roof Sleeper, D13 425HP, 12 Speed I Shift Amt

Recently Updated

$22,000 USD

NICE TRUCK, RUNS EXCELLENT, CLEAN TRUCK, AIR SEATS, DOUBLE BUNK, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DUMP VALVE, DIFFERENTIAL LOCK, SLIDING 5TH!,

Condition	Used
Usage	750,220 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	74"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	19D13750VNL740
MLS Number	13961833
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

28 2

2020 Freightliner Columbia 120 Sleeper Semi Truck - 56" Mid Roof Sleeper, Detroit 500HP, 10 Speed Manual

Recently Updated

$62,950 USD

2020 Freightliner Columbia 120 – Power, Comfort, and Reliability on Every Mile, Step up to a heavy-duty performer with this 2020 Freightliner Columbia 120, engineered for demanding routes...

Condition	Used
Usage	526,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.55 ratio
Stock Number	RTCO10651
MLS Number	13949406
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

30 3

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$74,950 USD

For Sale: 2022 Kenworth T880 Equipped with a 450HP Cummins X15, paired with a 12-Speed Eaton Endurant Automatic Transmission. This 2022 Kenworth T880 is built for performance, comfort, and...

Condition	Used
Usage	407,189 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	RTMO10781
MLS Number	13949393
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

29 2

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$70,950 USD

The 2022 Kenworth T880 features a 450hp Cummins X15 engine, 12-speed automatic transmission, and a 76” mid-roof sleeper with a window. It includes cross locks, dual chrome stacks, chrome...

Condition	Used
Usage	486,123 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	RTCO10782
MLS Number	13949391
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

22 0

2024 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$97,950 USD

AVAILABLE FOR SALE IN KANSAS CITY, MO. INSPECTED AND DETAILED. LOADED WITH LUXURY, POWER AND PERFORMANCE. READY TO WORK!!! 2024 FREIGHTLINER CASCADIA 126 STK#: MO10634, *Remaining EW4...

Condition	Used
Usage	359,279 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 2.85 ratio
Stock Number	RTMO10634
MLS Number	13949320
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(570) 638-___ SHOW
NUMBERCall Seller

17 0

2021 Kenworth W900 Sleeper Semi Truck - 86" Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

Price Drop

$109,900 USD

JUST ARRIVED!! SUPER CLEAN AND READY FOR THE HIGHWAY!!! 2021 KENWORTH W900 86" STUDIO SLEEPER!! PLEASE CALL HUNTER TRUCK SCRANTON SALES FOR MORE INFORMATION AND THE MOST COMPETITVE...

Condition	Used
Usage	461,742 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	281834
MLS Number	13870734
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Scranton, PA, US
Sold By	Hunter Truck