Used Tandem Axle 6x4 Sleeper Semi Trucks For Sale

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2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, Automatic

Recently Updated

$64,900 USD

LOW MILE ULTRALOFT! This LOW MILE 2021 Peterbilt 579 is powered by a 450hp Cummins X15 Engine and paired with a 12 Speed Automatic Transmission! This unit has a spacious 80in Double Bunk...

Condition	Used
Usage	306,828 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	8680093
MLS Number	13943087
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	De Pere, WI, US
Sold By	JX Truck Center

2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Newly Listed

$65,700 USD

Condition	Used
Usage	312,581 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	14038
MLS Number	14261878
Category	Sleeper Semi Trucks
Last Updated	3/25/2026
Location	Gary, IN, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$83,700 USD

Condition	Used
Usage	432,101 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	32421
MLS Number	14261860
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Gary, IN, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle - Manager's Special!

Newly Listed

$89,900 USD

Condition	Used
Usage	349,867 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	32425
MLS Number	14261832
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Wilmer, TX, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$51,500 USD

Condition	Used
Usage	368,304 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20429
MLS Number	14261814
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Gary, IN, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$51,500 USD

Condition	Used
Usage	381,315 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20471
MLS Number	14261795
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Edwardsville, IL, US
Sold By	Schneider

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, Automatic

Recently Updated

$69,900 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its powerful performance, aerodynamic efficiency and modern driver‑centric...

Condition	Used
Usage	566,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	2623
MLS Number	13822920
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Fontana, CA, US
Sold By	TCI Transportation

(844) 985-___ SHOW
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2021 Kenworth T680 Sleeper Semi Truck - Paccar 405HP

Price Drop $37,900 USD

KNUCKLE DEEP TREAD! This 2021 Kenworth T680 is powered by a 455HP Paccar Engine and paired with a 12 speed Automatic Transmission. This unit has a spacious double bunk sleeper with an Espar...

Condition	Used
Usage	473,034 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	8680004
MLS Number	13777194
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	De Pere, WI, US
Sold By	JX Truck Center

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$99,900 USD

The 2019 Freightliner Cascadia 126 is a highly regarded used Class 8 highway tractor that stands out for its powerful drivetrains, aerodynamic design, driver comfort, and advanced safety...

Condition	Used
Usage	293,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	23483
MLS Number	13703265
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$69,900 USD

The 2022 Freightliner Cascadia 126 is a popular Class 8 highway tractor in the used truck market, prized for its powerful Detroit diesel engine options, aerodynamic efficiency, and modern...

Condition	Used
Usage	512,652 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2626
MLS Number	13703252
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2020 Kenworth T800 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, 10 Speed Manual

Recently Updated

$79,900 USD

The 2020 Kenworth T800 is a Class 8 versatile truck that stands out in the used truck market for its durability, strength and adaptability, making it an excellent choice for regional haul,...

Condition	Used
Usage	162,352 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	20434
MLS Number	13696460
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(855) 807-___ SHOW
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2019 Peterbilt 389 Sleeper Semi Truck - 63" Mid Roof Sleeper, Cummins 450HP, 10 Speed Smart Advantage Automatic

Recently Updated

$79,500 USD

CLEAN PETE 389 SLEEPER, FLEET MAINTAINED,FRESH PAINT JOB! NEW CHALLENGER VISOR, X ENTERPRISE TRUCK, CUMMINS X15, EATON SMART ADVANTAGE 10 SPEED AUTO TRANSMISSION, VIRGIN RUBBER,...

Condition	Used
Usage	383,106 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	10 Speed Smart Advantage Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	63"
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.08 ratio
Stock Number	7043
MLS Number	13685187
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, 13 Speed Manual

Recently Updated

$69,900 USD

The 2022 Freightliner Cascadia 126 is a highly sought‑after Class 8 heavy‑duty highway tractor known for its powerful performance, advanced safety tech, and long‑haul comfort making it a...

Condition	Used
Usage	394,559 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2610
MLS Number	13548264
Category	Sleeper Semi Trucks
Last Updated	3/26/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(833) 220-___ SHOW
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2021 Volvo VNL42T760 Sleeper Semi Truck - Raised Roof Sleeper, D13, 12 Speed I Shift Automatic

Newly Listed

$71,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM,

Condition	Used
Usage	370,453 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
MLS Number	14260777
Category	Sleeper Semi Trucks
Last Updated	3/22/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

(855) 717-___ SHOW
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2022 Peterbilt 389 Sleeper Semi Truck - 72" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$124,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** MANUAL 18 SPEED!! SLIDING 5TH WHEEL, ENGINE BRAKE, SUSPENSION AIR DUMP, LIQUID DEF, GPS NAVIGATION Se Habla Espanol! NO CREDIT?...

Condition	Used
Usage	462,088 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	N15385-DELIVERY 2 U
MLS Number	14236563
Category	Sleeper Semi Trucks
Last Updated	3/25/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(866) 530-___ SHOW
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2022 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,995 USD

2022 PETERBILT 579, CUMMINS X15, AUTOMATIC TRANSMISSION, 421,797 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	421,797 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	0744
MLS Number	14230311
Category	Sleeper Semi Trucks
Last Updated	3/22/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$77,700 USD

Condition	Used
Usage	463,561 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	32432
MLS Number	14260651
Category	Sleeper Semi Trucks
Last Updated	3/23/2026
Location	Houston, TX, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$76,200 USD

Condition	Used
Usage	506,034 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	32436
MLS Number	14260645
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Wilmer, TX, US
Sold By	Schneider

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$83,700 USD

Condition	Used
Usage	434,638 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	32422
MLS Number	14260644
Category	Sleeper Semi Trucks
Last Updated	3/23/2026
Location	Wilmer, TX, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$58,000 USD

Condition	Used
Usage	345,850 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20468
MLS Number	14260641
Category	Sleeper Semi Trucks
Last Updated	3/23/2026
Location	Edwardsville, IL, US
Sold By	Schneider

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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 18 Speed Dt12 Manual

Newly Listed

$73,900 USD

396136 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed DT12 Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Wheels:...

Condition	Used
Usage	396,136 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Detroit DT12 Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	4082
MLS Number	14259884
Category	Sleeper Semi Trucks
Last Updated	3/21/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 538-___ SHOW
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2023 Peterbilt 389 Sleeper Semi Truck - 78" Mid Roof Sleeper, Cummins 565HP, 13 Speed Manual

Newly Listed

$130,900 USD

326619 Miles, Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 13 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 78, Tires: 22.5 low...

Condition	Used
Usage	326,619 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	4020
MLS Number	14259876
Category	Sleeper Semi Trucks
Last Updated	3/21/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 321-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Newly Listed

$79,900 USD

SPECIAL!!! Was $84,900, NOW $79,900,

Condition	Used
Usage	16,536 Hours
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	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1727
MLS Number	14259802
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(833) 801-___ SHOW
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2016 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$13,000 USD

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

Condition	Used
Usage	1,070,222 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	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	16DET107INOPCAS
MLS Number	14259756
Category	Sleeper Semi Trucks
Last Updated	3/21/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales