Used 12 Speed 6x4 Trucks For Sale

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Peterbilt 579 Sleeper Semi Truck - 74" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic
46 1

2020 Peterbilt 579 Sleeper Semi Truck - 74" Raised Roof Sleeper, Paccar 455HP, 12 Speed Automatic

$46,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!, DIFFERENTIAL LOCK, LIQUID DEF, FULL FAIRINGS, NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 6 DAYS A WEEK!!!! ...
ConditionUsed
Usage459,585 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size74"
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberN14462-DELIVERY 2 U
MLS Number13221272
CategorySleeper Semi Trucks
Last Updated1/16/2025
Location
Turlock, CA, US
Sold By

Diamond Truck Sales Inc

Volvo VNL64T300 Day Cab Truck - D13 425HP, 12 Speed I Shift Amt
17 1

2016 Volvo VNL64T300 Day Cab Truck - D13 425HP, 12 Speed I Shift Amt

$12,000 USD
nice truck, runs great, clean, power windows, power mirrors, heated mirrors, tilt/tele, FLEET MAINTAINED TRUCK!!,
ConditionUsed
Usage626,351 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power425 HP
Engine ModelVolvo D13
Drivetrain6x4
Transmission12 Speed I Shift Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number16D13626VNLDC
MLS Number13234951
CategoryDay Cab Semi Trucks
Last Updated11/16/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

Peterbilt 579 Day Cab Truck - Paccar 510HP, 12 Speed Amt
38 1

2019 Peterbilt 579 Day Cab Truck - Paccar 510HP, 12 Speed Amt

Call for price
324696 Miles, 12749 Hours, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Paccar Suspension, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 190,...
ConditionUsed
Usage12,749 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automated
SuspensionPaccar
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberC-35946
MLS Number13234826
CategoryDay Cab Semi Trucks
Last Updated11/16/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Kenworth T880 Day Cab Truck - Paccar 455HP, 12 Speed Amt
45 0

2020 Kenworth T880 Day Cab Truck - Paccar 455HP, 12 Speed Amt

$79,500 USD
2020 Kenworth T880 Tandem Axle Day Cab Tractor, Paccar MX-13 12.9L Turbo Diesel Engine, 455 HP, Engine Brake, Paccar 12 Speed Automated Transmission, ONLY 176,403 ECM Verified Miles, ONLY 5...
ConditionUsed
Usage5,658 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock NumberT16444D
MLS Number13104259
CategoryDay Cab Semi Trucks
Last Updated11/16/2024
Location
Denver, CO, US
Sold By

DTI Trucks

Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt
8 1

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

$32,900 USD
2020 Freightliner PE116 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...
ConditionUsed
Usage440,806 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberTNF201128 Web
MLS Number13176953
CategoryDay Cab Semi Trucks
Last Updated11/15/2024
Location
Cambridge, OH, US
Sold By

Nationwide Haul

Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt
8 1

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

$32,900 USD
2020 Freightliner PE116 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...
ConditionUsed
Usage440,806 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberTNF201128
MLS Number13176952
CategoryDay Cab Semi Trucks
Last Updated11/15/2024
Location
Cambridge, OH, US
Sold By

Nationwide Haul

Western Star 5700XE Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic
31 0

2020 Western Star 5700XE Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic

$64,999 USD
1 MATCHING UNIT! CALL TIPTON FOR TRUCK AND TRAILER SALES!,
ConditionUsed
Usage269,892 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberLLLU7485
MLS Number13124413
CategorySleeper Semi Trucks
Last Updated11/15/2024
Location
Odenville, AL, US
Sold By

Used Truck and Trailer, Inc.

Western Star 5700XE Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic
28 0

2020 Western Star 5700XE Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic

$56,999 USD
1 MATCHING UNIT! CALL TIPTON FOR TRUCK AND TRAILER SALES!,
ConditionUsed
Usage410,486 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberLLLM7842
MLS Number13124402
CategorySleeper Semi Trucks
Last Updated11/15/2024
Location
Odenville, AL, US
Sold By

Used Truck and Trailer, Inc.

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
30 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Price Drop
$38,250 USD
NEW Worry-Free Program AVAILABLE � 1 OR 2-Year Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Preventive Maintenance Service AVAILABLE. $0 Deductible. No Claim...
Inspection Report
ConditionUsed
Usage516,692 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.85 ratio
Stock Number499524
MLS Number13231362
CategoryDay Cab Semi Trucks
Last Updated2/3/2025
Location
Etna, OH, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

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

$56,500 USD
Inspection Report
ConditionUsed
Usage336,625 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number500382
MLS Number13231361
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$54,500 USD
Inspection Report
ConditionUsed
Usage485,274 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number500154
MLS Number13231359
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

Volvo VNL64T730 Sleeper Semi Truck - 78" Mid Roof Sleeper, D13 455HP, 12 Speed I Shift Amt
5 0

2018 Volvo VNL64T730 Sleeper Semi Truck - 78" Mid Roof Sleeper, D13 455HP, 12 Speed I Shift Amt

$17,000 USD
good truck, runs great, clean, air seats, power windows, power mirrors, heated mirrors, dump valve, differential lock, FLEET MAINTAINED!,
ConditionUsed
Usage983,730 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelVolvo D13
Drivetrain6x4
Transmission12 Speed I Shift Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size78"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number18D13983730
MLS Number13230054
CategorySleeper Semi Trucks
Last Updated11/14/2024
Location
Covington, TN, US
Sold By

Don Baskin Truck Sales

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed
33 0

2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

$42,000 USD
ConditionUsed
Usage417,265 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number492850
MLS Number13229113
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt
13 0

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$61,500 USD
438331 Miles, 9588 Hours, Engine: CUMMINS X15, 400 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Tires:...
ConditionUsed
Usage9,588 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number277257
MLS Number13226436
CategorySleeper Semi Trucks
Last Updated11/14/2024
Location
Millstone Township, NJ, US
Sold By

Hunter Truck

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

$56,500 USD
Inspection Report
ConditionUsed
Usage424,121 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number500492
MLS Number13226050
CategorySleeper Semi Trucks
Last Updated11/13/2024
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, A26 450HP, 12 Speed

$46,500 USD
Inspection Report
ConditionUsed
Usage403,270 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number500171
MLS Number13226046
CategorySleeper Semi Trucks
Last Updated11/13/2024
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
4 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$59,000 USD
Inspection Report
ConditionUsed
Usage404,732 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number500665
MLS Number13224307
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
4 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$60,500 USD
Inspection Report
ConditionUsed
Usage398,189 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number500666
MLS Number13224300
CategorySleeper Semi Trucks
Last Updated2/3/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

Mack Anthem Day Cab Truck - Mack MP7, Automatic
18 0

2020 Mack Anthem Day Cab Truck - Mack MP7, Automatic

Price Drop
$42,500 USD
ConditionUsed
Usage521,838 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power395 HP
Engine ModelMack MP7-395C
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
Rear End3.25 ratio
Stock Number64811
MLS Number12636802
CategoryDay Cab Semi Trucks
Last Updated1/29/2025
Location
Shrewsbury, MA, US
Sold By

Schneider

Mack Anthem Day Cab Truck - Mack MP7, Automatic
18 0

2020 Mack Anthem Day Cab Truck - Mack MP7, Automatic

Price Drop
$42,500 USD
ConditionUsed
Usage510,681 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power395 HP
Engine ModelMack MP7-395C
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
Rear End3.25 ratio
Stock Number64807
MLS Number12633945
CategoryDay Cab Semi Trucks
Last Updated1/29/2025
Location
Shrewsbury, MA, US
Sold By

Schneider

Mack Anthem Day Cab Truck - Mack MP7, Automatic
18 0

2020 Mack Anthem Day Cab Truck - Mack MP7, Automatic

Price Drop
$42,500 USD
ConditionUsed
Usage541,833 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power395 HP
Engine ModelMack MP7-395C
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
Rear End3.25 ratio
Stock Number64792
MLS Number12633943
CategoryDay Cab Semi Trucks
Last Updated1/29/2025
Location
Shrewsbury, MA, US
Sold By

Schneider

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic
12 0

2019 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$89,950 USD
Used Kenworth T680 Sleeper for sale. Features: Air Ride Cab, Hood Spot Mirrors, Plastic Quarter Fenders, Espar Heater, Power Heated Mirrors, Power Locks and Windows, Tilt Steering Wheel, Air...
ConditionUsed
Usage10,108 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAG 380
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number22P189
MLS Number11507405
CategorySleeper Semi Trucks
Last Updated11/12/2024
Location
Coopersburg, PA, US
Sold By

Coopersburg & Liberty Kenworth

Freightliner Cascadia 125 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Automatic
20 0

2019 Freightliner Cascadia 125 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Automatic

$26,500 USD
2019 Freightliner Cascadia Daycab Truck, Detroit DD15 455HP Diesel Engine, Detroit DT12 12 Speed Automatic Transmission, 610,000 Actual Miles, Engine Brakes, Cruise Control, 180” WB,...
ConditionUsed
Usage610,000 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
MLS Number13223522
CategoryDay Cab Semi Trucks
Last Updated11/11/2024
Location
Saint Edward, NE, US
Sold By

Quality Trucks & Trailers

Freightliner Cascadia 125 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Automatic
20 0

2019 Freightliner Cascadia 125 Day Cab Truck - Detroit 455HP, 12 Speed Dt12 Automatic

$26,500 USD
2019 Freightliner Cascadia Daycab Truck, Detroit DD15 455HP Engine, Detroit DT12 12 Speed Automatic Transmission, 699,000 Actual Miles, Engine Brakes, Cruise Control, 180” WB, Airliner Air...
ConditionUsed
Usage699,000 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
MLS Number13223516
CategoryDay Cab Semi Trucks
Last Updated11/11/2024
Location
Saint Edward, NE, US
Sold By

Quality Trucks & Trailers

Volvo VNL300 Day Cab, Volvo D-13, Automatic
18 0

2016 Volvo VNL300 Day Cab, Volvo D-13, Automatic

$13,000 USD
ConditionUsed
Usage953,590 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power405 HP
Engine ModelVolvo D-13
Drivetrain6x4
Transmission12 Speed I Shift Automatic
Sleeper Size77"
Rear End2.47 ratio
Stock Number351646
MLS Number12970671
CategoryDay Cab Semi Trucks
Last Updated12/6/2024
Location
MARYSVILLE, OH, US
Sold By

Schneider

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