Used 12 Speed 6x4 Sleeper Semi Trucks For Sale

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

$56,000 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

Condition	Used
Usage	491,102 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	3550
MLS Number	13089617
Category	Sleeper Semi Trucks
Last Updated	9/17/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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10 0

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

$56,000 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

Condition	Used
Usage	490,854 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	3574
MLS Number	13069458
Category	Sleeper Semi Trucks
Last Updated	9/17/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,500 USD

New Style Cascadia, N.A.P.,Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck!,

Condition	Used
Usage	486,740 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	3391
MLS Number	13066080
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$31,900 USD

2016 Freightliner Cascadia Evolution, 12 Speed Automatic, Lots of work done to this truck recently including head gaskets, turbo and more and it is ready to go!!,

Condition	Used
Usage	714,019 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
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
MLS Number	12963381
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Ravenel, SC, US
Sold By	Ravenel Truck & Equipment

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2020 International LT625 Sleeper Semi Truck

$46,100 USD

Call for rental/lease prices

Double Bunk Completely reconditioned,, ready for new owner . Cummins 15 litre auto trans double bunk Price includes 180 day 50,000 limited Engine warrantee Lease or finance OAC

Warranty

Quantity	2
Condition	Used
Usage	416,439 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Double Bunk
Rear Axle	Tandem Axle
Stock Number	21450
MLS Number	12934384
Category	Sleeper Semi Trucks
Last Updated	9/23/2024
Location	Benicia, CA, US
Sold By	NorCal Truck Sales and Mfg.

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2020 Kenworth T680 Sleeper Semi Truck - Cummins 400HP

$39,999 USD

450 CUMMINS -- DOUBLE BUNK -- 12SPD ENDURANT AUTOMATIC -- FRIDGE -- CLEAN INSIDE AND OUT -- CALL TIPTON CONQUEST FOR TRACTORS, TRUCKS, AND TRAILERS!,

Condition	Used
Usage	516,486 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	LJ391370
MLS Number	12849222
Category	Sleeper Semi Trucks
Last Updated	9/9/2024
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

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2020 Kenworth T680 Sleeper Semi Truck - Paccar 405HP

$44,999 USD

455 PACCAR ENGINE -- 12SPD PACCAR AUTOMATIC TRANS -- DOUBLE BUNK -- CLEAN INSIDE AND OUT -- CALL TIPTON CONQUEST FOR TRACTORS, TRUCKS, AND TRAILERS!,

Condition	Used
Usage	307,153 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	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	LJ412990
MLS Number	12849220
Category	Sleeper Semi Trucks
Last Updated	9/17/2024
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

$54,999 USD

8 Brand New Drive Tires. Almost new Condition. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit,...

Condition	Used
Usage	503,837 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12755826
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

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2020 Kenworth T680 Sleeper Semi Truck

$60,000 USD

Call for rental/lease prices

****$3,500 Flat Fee on Rental _ NO MILAGE FEES**** , Year 2020 , Manufacturer Kenworth Model T680 , Condition Used , Drive Type 6x4 , Drive Side Type Left Hand...

Warranty

Condition	Used
Usage	417,330 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
MLS Number	12705655
Category	Sleeper Semi Trucks
Last Updated	9/11/2024
Location	Midlothian, VA, US
Sold By	Life Line Truking

(833) 985-___ SHOW
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2016 Freightliner CAS125 Sleeper Semi Truck

$24,900 USD

Fabulous 2016 Cascadia - Financing Available This truck has been ran through 100% this unit is not California complaint . TunedDeleted 505HP

Condition	Used
Usage	648,848 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit dd15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Double Bunk
Stock Number	gx7919
MLS Number	12496213
Category	Sleeper Semi Trucks
Last Updated	9/3/2024
Location	Dupo, IL, US
Sold By	Genesis Equipment Leasing

Featured Item

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$81,999 USD

8 Brand New Drive Tires. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. DPF cleaned. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit, No Credit,...

Condition	Used
Usage	348,433 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12297404
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$78,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	386,281 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12297146
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

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2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$58,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	404,625 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	10070531
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

$38,900 USD

2016 Freightliner Cascadia 125 High Rise Sleeper, Detroit DD15 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 475/505 HP Engine, Detroit DT12, 12 Speed Automated Transmission, 2017 US EPA Label,...

Condition	Used
Usage	12,817 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit Detroit Diesel DD15 EV
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	250301
MLS Number	13104685
Category	Sleeper Semi Trucks
Last Updated	9/19/2024
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

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13 0

2017 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

2023 Kenworth T680 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 500HP, 12 Speed Automatic

$145,900 USD

LIKE NEW 2023 KENWORTH T680 NEXT GEN, ONLY 127067 MILES, EXCELLENT CONDITION, CUMMINS X15 WITH 500 HORSEPOWER, EATON FULLER 12 SP AUTOMATED TRANSMISSION, FACTORY WARRANTY, CALL VICKI @...

Condition	Used
Usage	2,909 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	PJ235464U
MLS Number	12954946
Category	Sleeper Semi Trucks
Last Updated	6/26/2024
Location	Harrisonburg, VA, US
Sold By	Truck Enterprises Inc.

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88 0

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$120,000 USD

148528 Miles, 2988 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Overdrive, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	2,988 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4 Final
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
Stock Number	866559
MLS Number	12994684
Category	Sleeper Semi Trucks
Last Updated	7/31/2024
Location	Beverly, WV, US
Sold By	TFS Recovery, Inc.

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2019 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$99,950 USD

Used Kenworth T680 Sleeper for sale. Features: Air Ride Cab, Hood Spot Mirrors, Plastic Quarter Fenders, Power Locks and Windows, Tilt Steering Column, Air Ride Seats, 2-bed Bunk,...

Condition	Used
Usage	3,079 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	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	22P220
MLS Number	11538934
Category	Sleeper Semi Trucks
Last Updated	11/28/2023
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 510HP, 12 Speed Automatic

$139,950 USD

Used Kenworth T680 Sleeper for sale. Features: Dual Fuel Tanks, 270 gallon Fuel Capacity, Raised-roof Sleeper cab, Automatic Transmission, and more. Visit Liberty Kenworth and Coopersburg...

Condition	Used
Usage	4,735 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	123023P
MLS Number	11710540
Category	Sleeper Semi Trucks
Last Updated	11/28/2023
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

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37 1

2023 Peterbilt 567 Sleeper Semi Truck - 36" Flat Top Sleeper, Paccar 510HP, 12 Speed Amt

Call for price

318898 Miles, 5651 Hours, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Paccar Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires:...

Condition	Used
Usage	5,651 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	36"
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	C-35785
MLS Number	13101166
Category	Sleeper Semi Trucks
Last Updated	9/7/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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2021 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$139,950 USD

Used Peterbilt 579 High-top Sleeper for sale. Features: Air Ride Cab, Espar Heater, Hood-mounted Spot Mirrors, Painted Sun Visor with Lights, Power Heated Mirrors, Power Locks and Windows,...

Condition	Used
Usage	5,654 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	80"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	22P338
MLS Number	11761405
Category	Sleeper Semi Trucks
Last Updated	11/28/2023
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$99,950 USD

Used Peterbilt 579 sleeper for sale. Features: Air Ride Cab, Carrier APU, Stainless Mudflap Brackets, Stainless Quarter Fenders, Hood Spot Mirrors, Painted Sun Visor with Lights, Power...

Condition	Used
Usage	6,121 Hours
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	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	38,000 lb 2.64 ratio
Stock Number	22P267
MLS Number	11611102
Category	Sleeper Semi Trucks
Last Updated	11/28/2023
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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2020 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$99,950 USD

Used Peterbilt 579 Sleeper for sale. Features: Air Ride Cab, Espar Heater, Stainless Quarter Fenders, Stainless Mudflap Brackets, Hood Spot Mirrors, Sun Visor with Lights, Disc Brakes, Power...

Condition	Used
Usage	6,516 Hours
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	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	22P265
MLS Number	11603990
Category	Sleeper Semi Trucks
Last Updated	11/28/2023
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

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11 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Amt

$129,950 USD

Used Kenworth T680 Sleeper for sale. Features: Chrome Hood-mounted Mirrors, 270-gallon Fuel Capacity, Chrome Bumper, Double Bunks, Refrigerator, Wetline PTO, and more. Visit Liberty Kenworth...

Condition	Used
Usage	6,518 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	127269T
MLS Number	12937863
Category	Sleeper Semi Trucks
Last Updated	6/18/2024
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth