12 Speed 6x4 Sleeper Semi Trucks For Sale

(844) 900-___ SHOW
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57 1

2021 Western Star 5700XE Sleeper Semi Truck - 81" Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

Price Drop

$51,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!! SLIDING 5TH WHEEL, TRAILER BRAKE, SIDE AND FULL FAIRINGS, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT?...

Condition	Used
Usage	478,302 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	Mid Roof Sleeper
Sleeper Size	81"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	L01085-DELIVERY 2 U
MLS Number	13222624
Category	Sleeper Semi Trucks
Last Updated	2/13/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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55 1

2021 Peterbilt 567 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Price Drop

$49,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATED 12 SPEED!!! ENGINE BRAKE, DEF, TC. Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	65"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	L01030-DELIVERY 2 U
MLS Number	13194781
Category	Sleeper Semi Trucks
Last Updated	2/13/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(844) 930-___ SHOW
NUMBERCall Seller

6 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Newly Listed

$64,500 USD

Inspection Report

Condition	Used
Usage	291,030 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 2.79 ratio
Stock Number	501918
MLS Number	13395695
Category	Sleeper Semi Trucks
Last Updated	2/14/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

(909) 775-___ SHOW
NUMBERCall Seller

29 4

2019 Kenworth T680 Sleeper Semi Truck - Paccar 450HP, 12 Speed Ultrashift Automatic

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

Call for price

hot items call me for more information thank you,

Quantity	11
Condition	Used
Usage	441,960 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	#418
MLS Number	13393862
Category	Sleeper Semi Trucks
Last Updated	2/18/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

(909) 775-___ SHOW
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5 0

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

Call for price

HOT ITEMS ! PLEASE FEEL FREE TO CONTACT SERGIO IF YOU HAVE ANY QUESTIONS OR CONCERNS,

Condition	Used
Usage	336,711 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	#447
MLS Number	13393861
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

(323) 712-___ SHOW
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14 0

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

Call for price

Hard to find low mileage sleepers Call: Martha Servin,

Quantity	11
Condition	Used
Usage	441,960 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	#418
MLS Number	13393686
Category	Sleeper Semi Trucks
Last Updated	2/18/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(323) 712-___ SHOW
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10 0

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

Call for price

Hard to find low mileage sleepers Call: Martha Servin,

Quantity	17
Condition	Used
Usage	336,711 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 3.08 ratio
Stock Number	#447
MLS Number	13393611
Category	Sleeper Semi Trucks
Last Updated	2/15/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(888) 680-___ SHOW
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10 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$59,900 USD

76 INCH AEROCAB DOUBLE BUNK SLEEPER, CUMMINS X15 450HP, 12 SPEED EATON AUTOMATED TRANSISSION, ALUMINUM WHEELS AND MUCH MORE.FINANCING AND EXTENDED WARRANTIES AVAILABLE. FOR MORE INFORMATION...

Condition	Used
Usage	342,843 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	4,000 lb 2.64 ratio
Stock Number	LJ372810U/RIC
MLS Number	13393088
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

(855) 907-___ SHOW
NUMBERCall Seller

20 0

2021 Peterbilt 579 Sleeper Semi Truck

$55,950 USD

Warranty

Condition	Used
Usage	490,610 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	HP5476
MLS Number	13295476
Category	Sleeper Semi Trucks
Last Updated	2/14/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

(855) 907-___ SHOW
NUMBERCall Seller

16 1

2021 International LT625 Sleeper Semi Truck

Price Drop

$49,950 USD

Tri Pac APU, Inverter, Fridge, New Virgin Michelin XDN2 Drive Tires, Double Bunk, 12 Speed Auto, Cummins X15 Engine, 92 Point Dealer Inspection, Passing DOT, Complete Detail with New...

Warranty

Condition	Used
Usage	430,848 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	Condo Sleeper
Sleeper Size	73"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CP2201
MLS Number	13212201
Category	Sleeper Semi Trucks
Last Updated	2/19/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

(833) 781-___ SHOW
NUMBERCall Seller

18 0

2018 Volvo VNL740 Sleeper Semi Truck, Volvo D-13, Automatic

Price Drop

$18,500 USD

Condition	Used
Usage	902,041 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	405 HP
Engine Model	Volvo D-13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	61"
Rear End	2.47 ratio
Stock Number	3518116
MLS Number	13380390
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	LONDON, KY, US
Sold By	Schneider

(877) 705-___ SHOW
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10 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$64,900 USD

2020 KENWORTH T680, 76 INCH AEROCAB SLEEOER, CUMMINS X15E, 12 AUTOMATIC TRANSISSION, CALL OR TEXT VICKI@ [540]-830-0417 OR EMAIL VPUCKETT@, FINANCING AND EXTENDED WARRANTIES AVAILABLE,

Condition	Used
Usage	342,843 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	4,000 lb 2.64 ratio
Stock Number	LJ372810U/HBG
MLS Number	12967858
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Harrisonburg, VA, US
Sold By	Truck Enterprises Inc.

(833) 202-___ SHOW
NUMBERCall Seller

4 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$64,000 USD

Cummins X15New Domestic TiresExtended Warranty Available

Inspection Report

Condition	Used
Usage	203,689 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	501962
MLS Number	13391883
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(855) 807-___ SHOW
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61 0

2018 Peterbilt 579 Tri Axle Sleeper Semi Truck - 72" Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$44,500 USD

CLEAN FLEET MAINTAINED PETERBILT 579 TRI AXLE, 455HP, 12 SPEED AUTOMATIC, 13,000 LBS DROP AXLE, 13,200 FAW, POWER INVERTER, GOOD RUBBER, LEGACY DRIVER SEAT, CLEAN PAINT NO BODY DAMAGE, READY...

Condition	Used
Usage	483,430 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	53,000 lb 3.08 ratio
Stock Number	6905
MLS Number	13389834
Category	Sleeper Semi Trucks
Last Updated	2/14/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(844) 693-___ SHOW
NUMBERCall Seller

18 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$36,500 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	599,999 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	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	304
MLS Number	13389629
Category	Sleeper Semi Trucks
Last Updated	2/13/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(833) 986-___ SHOW
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41 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 475HP

$52,900 USD

Thermoking APU,, stock: 260637, transmodel: DT12, engine type: DD15, dualbreathers: 0, dualexhaust: 0,

Condition	Used
Usage	579,001 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Drivetrain	6x4
Transmission	12 Speed
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	260637
MLS Number	13389502
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

(888) 680-___ SHOW
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26 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 510HP, 12 Speed Endurant Amt

$59,900 USD

**LOCAL ONE OWNER TRUCK**FINANCING AND EXTENDED WARRANTIES AVAILABLE! ALL USED TRUCKS ARE GIVEN A 150 POINT INSPECTION, DOT, VA STATE INSPECTION, PM SERVICE AND A FULL DETAIL. FOR MORE...

Condition	Used
Usage	441,234 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
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 3.08 ratio
Stock Number	LJ426285U-RICHMOND
MLS Number	13307429
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

37 0

2018 Volvo VNL64T630 Sleeper Semi Truck - 61" Flat Top Sleeper, D13 425HP, 12 Speed I Shift Amt

Price Drop

$30,000 USD

Fleet Maintained, 6 MO/50,000 mile Engine and Aftertreatment Warranty,

Condition	Used
Usage	576,812 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	Flat Top Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1993
MLS Number	13309144
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

38 0

2017 Volvo VNL64T630 Sleeper Semi Truck - 61" Flat Top Sleeper, D13 425HP, 12 Speed I Shift Amt

Price Drop

$32,000 USD

Fleet Maintained, 6 MO/50,000 mile Engine and Aftertreatment Warranty,

Condition	Used
Usage	440,018 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	Flat Top Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1992
MLS Number	13309142
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

13 0

2016 Volvo VNL64T630 Sleeper Semi Truck - 61" Flat Top Sleeper, D13 425HP, 12 Speed I Shift Amt

Price Drop

$29,000 USD

Fleet Maintained, 6 MO/50,000 mile Engine and Aftertreatment Warranty,

Condition	Used
Usage	489,022 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	Flat Top Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1991
MLS Number	13309140
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

12 0

2016 Volvo VNL64T630 Sleeper Semi Truck - 61" Flat Top Sleeper, D13 425HP, 12 Speed I Shift Amt

Price Drop

$29,000 USD

Fleet Maintained, 6 MO/50,000 mile Engine and Aftertreatment Warranty,

Condition	Used
Usage	467,596 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	Flat Top Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1990
MLS Number	13309138
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

12 0

2016 Volvo VNL64T630 Sleeper Semi Truck - 61" Flat Top Sleeper, D13 425HP, 12 Speed I Shift Amt

Price Drop

$29,000 USD

Fleet Maintained, 6 MO/50,000 mile Engine and Aftertreatment Warranty,

Condition	Used
Usage	430,852 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	Flat Top Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	1989
MLS Number	13309136
Category	Sleeper Semi Trucks
Last Updated	2/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC