12 Speed 6x4 Trucks For Sale

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Featured Item

12 0

2020 Kenworth T680 Sleeper Semi Truck

$75,000 USD

$3,500/mo to rent

****$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	12/30/2024
Location	Midlothian, VA, US
Sold By	Life Line Truking

Featured Item

17 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$44,950 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	542,195 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	244
MLS Number	13133472
Category	Sleeper Semi Trucks
Last Updated	12/4/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

13 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

$49,900 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	526,094 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	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	192
MLS Number	12902768
Category	Sleeper Semi Trucks
Last Updated	12/4/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(888) 493-___ SHOW
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24 0

2021 Kenworth T680-Sleeper Truck Sleeper Semi Truck

Recently Updated

$66,500 USD

For Sale: 2021 Kenworth T680 Double Bunk Sleeper Mileage: 427,604 miles Specifications: Model: 2021 Kenworth T680, Engine: Cummins X15, Transmission: Eaton Fuller automated, Wheelbase:...

Condition	Used
Usage	427,604 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins ISX / X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Double Bunk
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	1813810
MLS Number	13126578
Category	Sleeper Semi Trucks
Last Updated	12/30/2024
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

(855) 907-___ SHOW
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19 0

2023 Peterbilt 579 Sleeper Semi Truck

Recently Updated

$66,950 USD

Multiple Units Available, Remainder of a 4 year 500k Factory Warranty, Navigation, Disc Brakes ,Gage Package, Fridge, 510hp, 1850 Torque 92 Point Dealer Inspection, Passing Dot, Complete...

Warranty

Condition	Used
Usage	424,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	HP3593
MLS Number	13223593
Category	Sleeper Semi Trucks
Last Updated	12/30/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

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17 1

2020 International LT625 Sleeper Semi Truck

Newly Listed

$37,900 USD

FOR SALE: 2020 International LT625 Skyrise Sleeper Stock 1030700 Comfortable 73" Double Bunk Skyrise Sleeper – designed for long hauls, Powered by a 450 HP Cummins X15 engine, Matched...

Condition	Used
Usage	447,500 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Sky Rise Pro Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1030700
MLS Number	13305223
Category	Sleeper Semi Trucks
Last Updated	12/30/2024
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

(877) 705-___ SHOW
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15 0

2025 Kenworth T680 Day Cab Truck - Cummins 500HP, 12 Speed Endurant Amt

Newly Listed

$186,985 USD

Daycab,

Condition	New
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	SJ185571
MLS Number	13303985
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Hagerstown, MD, US
Sold By	Truck Enterprises Inc.

19 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

Newly Listed

$32,950 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	532,949 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX
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 2.64 ratio
Stock Number	278
MLS Number	13303959
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

19 0

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

Newly Listed

$49,950 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	559,255 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	279
MLS Number	13303924
Category	Sleeper Semi Trucks
Last Updated	12/29/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

9 1

2020 International LT Day Cab Truck - A26 410HP, 12 Speed I Shift Amt

Newly Listed

$20,900 USD

2020 International LT625 Day Cab **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin tires...

Condition	Used
Usage	418,182 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	TNF202397 Web
MLS Number	13303869
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Hagerstown, MD, US
Sold By	Nationwide Haul

8 1

2020 International LT Day Cab Truck - A26 410HP, 12 Speed I Shift Amt

Newly Listed

$20,900 USD

2020 International LT625 Day Cab **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin tires...

Condition	Used
Usage	418,182 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	TNF202397
MLS Number	13303868
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Hagerstown, MD, US
Sold By	Nationwide Haul

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4 0

2017 Western Star 5700XE Day Cab Truck - Detroit 400HP, 12 Speed Dt12 Amt

Newly Listed

$20,000 USD

NICE TRUCK, RUNS EXCELLENT, CLEAN, AIR SEATS, POWER RIGHT WINDOW, TILT/TELE, CRUISE, FULL LOCKING REARS, SLIDING 5TH WHEEL, DUMP VALVE!,

Condition	Used
Usage	527,580 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	1DET527WSDC
MLS Number	13303856
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

5 1

2021 Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

Newly Listed

$28,900 USD

2021 Freightliner Cascadia 116 Day Cab , **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin...

Condition	Used
Usage	622,949 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF211096 Web
MLS Number	13303855
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Pittston, PA, US
Sold By	Nationwide Haul

5 1

2021 Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

Newly Listed

$28,900 USD

2021 Freightliner Cascadia 116 Day Cab , **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin...

Condition	Used
Usage	622,949 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF211096
MLS Number	13303854
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Pittston, PA, US
Sold By	Nationwide Haul

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23 0

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

Newly Listed

$57,900 USD

ONE OWNER TRUCK! 2020 T680 WITH PACCAR MX13 ENGINE 510 HP AND PACCAR AUTOMATIC 12 SPEED TRANSMISSION.FINANCING AND EXTENDED WARRANTIES AVAILABLE.GIVE SCOTT DOLAN AT KENWORTH SALES COMPANY IN...

Condition	Used
Usage	503,784 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
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 3.08 ratio
Stock Number	LJ426286U-
MLS Number	13303846
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

35 0

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 450HP, 12 Speed Amt

Recently Updated

$73,900 USD

2022 Kenworth T680 Next Gen – Here is a 1 Owner Fleet Maintained Semi Truck! This is a very nice clean southern truck! 450HP Paccar MX-13 Engine, 12 Speed Paccar Automatic Transmission,...

Condition	Used
Usage	8,750 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	135363
MLS Number	13294716
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 912-___ SHOW
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51 1

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

Recently Updated

$49,900 USD

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

Condition	Used
Usage	472,865 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	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	H01518-DELIVERY 2 U
MLS Number	13289347
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

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33 0

2019 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

Recently Updated

$28,500 USD

Condition	Used
Usage	469,862 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	40,000 lb 2.79 ratio
Stock Number	491521
MLS Number	12953717
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Conley, GA, US
Sold By	International Motors, LLC

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50 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$56,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** 12 SPEED AUTOMATIC!!! DEF, ENGINE BRAKE, FRIDGE, TRAILER BRAKE Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	504,837 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
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	H01499-DELIVERY 2 U
MLS Number	13275534
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

34 0

2021 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$59,900 USD

2021 Peterbilt 579 – CUMMINS POWERED X15! Low Miles! 1 Owner, Fleet Maintained Peterbilt! This is a very nice truck! Southern Truck! 450 HP Cummins X15, Eaton Endurant 12 Speed...

Condition	Used
Usage	7,000 Hours
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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	756170
MLS Number	13247217
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 370-___ SHOW
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24 1

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 410HP

Recently Updated

$27,900 USD

2017 Cascadia 125, Detroit DD13 410HP Engine - DT12 12 Spd Detroit DT12-OB Transmission, Tandem Air Ride Suspension, 52,000 GVW, 12,000# Front Axle, 40,000# Rear Axle, 3.25 Ratio, 178"...

Condition	Used
Usage	473,028 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	17WH080
MLS Number	13231665
Category	Day Cab Semi Trucks
Last Updated	12/28/2024
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

33 0

2022 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

$59,900 USD

2022 Peterbilt 579 – 1 YEAR OF FACTORY WARRANTY REMAINING! ENGINE UP TO 500K MILES, AFTERTREATMENT TO 500K MILES! 455 HP Paccar MX-13 Engine, Paccar 12 Speed Automatic Transmission. Only...

Condition	Used
Usage	337,054 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	760557
MLS Number	13226497
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

31 0

2022 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

$58,900 USD

2022 Peterbilt 579 – 1 YEAR OF FACTORY WARRANTY REMAINING! ENGINE UP TO 500K MILES, AFTERTREATMENT TO 500K MILES! 455 HP Paccar MX-13 Engine, Paccar 12 Speed Automatic Transmission. Only...

Condition	Used
Usage	375,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	760564
MLS Number	13226428
Category	Sleeper Semi Trucks
Last Updated	12/28/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc