12 Speed 6x4 Trucks For Sale

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19 0

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

Price Drop

$54,950 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	496,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
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
Stock Number	216
MLS Number	13024364
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 940-___ SHOW
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38 0

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.

(866) 714-___ SHOW
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14 0

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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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

(413) 821-___ SHOW
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12 0

2014 Volvo / Mack VNL Sleeper Semi Truck

$18,000 USD

2014 volvo vnl 64t 730 truck is in decent shape alot of new parts, remanufactured auto transmission has just under 100,000 d13 motor rated at 500hp 1750. Truck starts and run but may need...

Condition	Used
Usage	976,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Sleepercab
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
MLS Number	13102280
Category	Sleeper Semi Trucks
Last Updated	9/11/2024
Location	Springfield, MA, US
Sold By	Private Party

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12 0

2018 Volvo VNL64T780 Sleeper Semi Truck - 77" Raised Roof Sleeper, D13 455HP, 12 Speed I Shift 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	669,969 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	173
MLS Number	12843800
Category	Sleeper Semi Trucks
Last Updated	9/27/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

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32 0

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.

(833) 695-___ SHOW
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26 0

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.

(855) 560-___ SHOW
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17 0

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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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	9/27/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

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9 0

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

9 0

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

Featured Item

10 0

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

Featured Item

8 0

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

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12 0

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

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10 0

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

Newly Listed

$52,000 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

Condition	Used
Usage	474,721 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	3452
MLS Number	13166770
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 685-___ SHOW
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3 0

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

Call for price

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, DETROIT ENGINE, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Usage	561,133 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	S01996-DELIVERY 2 U
MLS Number	13166600
Category	Day Cab Semi Trucks
Last Updated	10/9/2024
Location	Gaffney, SC, US
Sold By	Diamond Truck Sales Inc

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3 0

2020 Freightliner Cascadia 116 Sleeper Semi Truck - 58" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

$51,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, DETROIT ENGINE, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Usage	423,951 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
Sleeper Size	58"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	S01992-DELIVERY 2 U
MLS Number	13166438
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	Gaffney, SC, US
Sold By	Diamond Truck Sales Inc

(833) 781-___ SHOW
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18 0

2017 Volvo VNL300 Day Cab Truck - Volvo D-13, Automatic

Recently Updated

$14,500 USD

Condition	Used
Usage	915,072 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Volvo D-13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Size	77"
Rear End	2.47 ratio
Stock Number	351727
MLS Number	13081158
Category	Day Cab Semi Trucks
Last Updated	10/9/2024
Location	LONDON, KY, US
Sold By	Schneider

(855) 489-___ SHOW
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33 0

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

Newly Listed

$46,000 USD

Clean Lease Truck. 455 HP, Jake, Cruise, Automated transmission, 10 aluminum, Includes 6 Month/50,000 mile Engine and Aftertreatment warranty,

Condition	Used
Usage	511,776 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
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.93 ratio
Stock Number	1927
MLS Number	13166141
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 717-___ SHOW
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38 1

2019 International LT Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$32,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 10-SPEED!!! CUMMINS X15, DEF, ENGINE BRAKE, SLEEPER WINDOW, TRAILER BRAKE, SLIDING 5TH WHEEL, OFF ROAD TC, Se Habla...

Condition	Used
Usage	631,767 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14594-DELIVERY 2 U
MLS Number	13120057
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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7 0

2013 Volvo VNL64T670 Sleeper Semi Truck - 62" Mid Roof Sleeper, D13 500HP, 12 Speed I Shift Automatic

Recently Updated

$16,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, ENGINE BRAKES, 500HP, FULL FAIRINGS, 200 FUEL CAP!! Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	883,161 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14521-DELIVERY 2 U
MLS Number	13095100
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 907-___ SHOW
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18 0

2020 Freightliner Cascadia Sleeper Semi Truck

Recently Updated

$47,950 USD

6 Month 50,000 Mile Warranty, Dealer Certified, Passing Dot, Detail Call today

Warranty

Condition	Used
Usage	486,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit Detroit Diesel DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	HP3197
MLS Number	13033197
Category	Sleeper Semi Trucks
Last Updated	10/9/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC