Heavy Duty Diesel 12 Speed Trucks For Sale

Your Current Search
Industry
Trucks
GVWR Category
Heavy Duty
Transmission Speeds
12 Speed
Fuel Type
Diesel
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (5220)
Model
Select a manufacturer to view available models.
Model Year
-
GVWR Category
Heavy Duty (5220)
Transmission Speed
12 Speed (5220)
Cab Style
Fuel Type
Diesel (5220)
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
1-25 of 5,220 results
1-25 of 5,220 results
Featured Item
2024 International LT625 Day Cab Truck
39 0

2024 International LT625 Day Cab Truck

Price Drop
$59,000 USD
NICE FULLY LOADED TRUCK, READY FOR WORK MILEAGE:87,814 ENGINE: INTERNATIONAL A26 TRANSMISSION: EATON 12 SPEED AUTO BENDIX FUSION COLLISION SAFETY SYSTEM PDL DIFF LOCK AND TRACTION...
ConditionUsed
Usage87,814 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Rear AxleTandem Axle
MLS Number13322119
CategoryDay Cab Semi Trucks
Last Updated2/6/2025
Location
Rainsville, AL, US
Sold By

Hill Automotive

Featured Item
Kenworth T680 Sleeper Semi Truck - Paccar 455HP, 12 Speed Endurant Amt
1 0

2017 Kenworth T680 Sleeper Semi Truck - Paccar 455HP, 12 Speed Endurant Amt

$29,900 USD
MX-13 Paccar, 455 HP, *Rep Photos*, Automatic, Collision Mitigation, Adaptive Cruise, Very Clean, Mid-Roof with Single Bunk, Alum Polished Wheels, Dual Tanks, Stationary 5th Wheel, Dual Air...
ConditionUsed
Usage625,879 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission12 Speed Endurant Automated
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberFM0721
MLS Number13372758
CategorySleeper Semi Trucks
Last Updated2/2/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Featured Item
Mack Anthem 64T Day Cab Truck - MP8 415HP, 12 Speed M Drive Automatic
66 3

2020 Mack Anthem 64T Day Cab Truck - MP8 415HP, 12 Speed M Drive Automatic

$22,681 USD
70 Units Available!, Stock 016810, Miles 738,104, MP8 415 HP Engine, M-Drive 12 Speed Automated, 12,000# Fronts / 40,000# Rears, Fleet Maintained, 2.28 Ratio, 181”WB, 210 Gallon Capacity,...
ConditionUsed
Usage738,104 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power415 HP
Engine ModelMack MP8
Drivetrain6x4
Transmission12 Speed mDRIVE Automatic
Rear AxleTandem Axle
Rear End40,000 lb 2.28 ratio
Stock Number016810
MLS Number13367457
CategoryDay Cab Semi Trucks
Last Updated1/30/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Featured Item
Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
4 0

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

$49,900 USD
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!,
ConditionUsed
Usage484,455 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number3590
MLS Number13213089
CategorySleeper Semi Trucks
Last Updated1/23/2025
Location
GRANGER, IA, US
Sold By

Barr-Nunn Transportation LLC

Featured Item
Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Endurant Automatic
42 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Endurant Automatic

$38,900 USD
****VIRGIN TIRES!!!**** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!! ENGINE BRAKE, TC, DEF, 5TH WHEEL Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!!...
ConditionUsed
Duty ClassHeavy Duty Day Cab Truck
Horse Power430 HP
Engine ModelPaccar MX-11
Drivetrain4x2
Transmission12 Speed Endurant Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Stock NumberL01102-VIRGIN TIRES
MLS Number13252578
CategoryDay Cab Semi Trucks
Last Updated1/16/2025
Location
Fontana, CA, US
Sold By

Diamond Truck Sales Inc

Featured Item
Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic
45 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic

$39,900 USD
****VIRGIN TIRES!!!**** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATED!!! ENGINE BRAKE, DEF, ALUMNIMIUM 5TH WHEEL, TC, ENG FAN, Se Habla Español! NO CREDIT? BAD...
ConditionUsed
Duty ClassHeavy Duty Day Cab Truck
Horse Power430 HP
Engine ModelPaccar MX-11
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Stock NumberL01132-VIRGIN TIRES
MLS Number13258340
CategoryDay Cab Semi Trucks
Last Updated1/16/2025
Location
Fontana, CA, US
Sold By

Diamond Truck Sales Inc

Featured Item
2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler
60 1

2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler

$39,999 USD
2022 Peterbilt 579 Day Cab Stock: 758620 VIN:1XPBAP8X6ND758620, Year: 2022 Make: Peterbilt Model:579 Engine:PACCAR MX-13, 12.9L Mileage: 52524, Horsepower: 405HP Fuel type:...
ConditionUsed
Usage2,082 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power405 HP
Engine ModelPaccar MX-13
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionAir Trac
Rear AxleSingle Axle
Rear End22,700 lb
Stock Number758620
MLS Number12938258
CategoryDay Cab Semi Trucks
Last Updated2/3/2025
Location
Elkton, MD, US
Sold By

Complete Recycling Group LLC

Featured Item
2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler
60 1

2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler

$39,999 USD
2022 Peterbilt 579 Day Cab Stock: 758632 VIN:1XPBAP8X2ND758632, Year: 2022 Make: Peterbilt Model:579 Engine:PACCAR MX-13, 12.9L Mileage: 83313, Horsepower: 405HP Fuel type:...
ConditionUsed
Usage83,313 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power405 HP
Engine ModelPaccar
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End22,700 lb
Stock Number758632
MLS Number12938265
CategoryDay Cab Semi Trucks
Last Updated2/3/2025
Location
Elkton, MD, US
Sold By

Complete Recycling Group LLC

Featured Item
2022 Peterbilt 579 Day Cab Truck
37 0

2022 Peterbilt 579 Day Cab Truck

$36,000 USD
2022 Peterbilt 579 Day Cab Tractor, Paccar MX-13 Diesel Engine, 12.9 Liters, 405 HP, PO-16F112C 12-Speed Automated Transmission, Air Ride Suspension, GVWR 34,700 Lbs, Front Axle 12,000 Lbs,...
ConditionUsed
Usage181,163 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power380 HP
Engine ModelPaccar MX/MX-13
Drivetrain4x2
Transmission12 Speed
SuspensionAir Ride
Rear End22,700 lb
Stock Number9687
MLS Number13269412
CategoryDay Cab Semi Trucks
Last Updated1/7/2025
Location
Sparta, KY, US
Sold By

Craigmyle Truck and Trailer Sales

Featured Item
2022 Peterbilt 579 Dump Truck
43 0

2022 Peterbilt 579 Dump Truck

$70,000 USD
2022 Peterbilt 579 with New 10ft Dump Bed, Paccar MX-13 Diesel Engine, 12.9 Liters, 405 HP, Paccar PO-16F112C 12-Speed Automated Transmission, Air Ride Suspension, GVWR 34,700 Lbs, Front...
ConditionUsed
Usage269,471 Miles
Duty ClassHeavy Duty Dump Truck
Bed Length10 ft.
Horse Power405 HP
Engine ModelPaccar MX/MX-13
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionSpring
Rear End22,700 lb
Stock Number9670
MLS Number13248670
CategoryDump Trucks
Last Updated1/13/2025
Location
Sparta, KY, US
Sold By

Craigmyle Truck and Trailer Sales

Featured Item
Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic
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!!,
ConditionUsed
Usage714,019 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End2.47 ratio
MLS Number12963381
CategorySleeper Semi Trucks
Last Updated1/15/2025
Location
Ravenel, SC, US
Sold By

Ravenel Truck & Equipment

Featured Item
Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic
38 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic

$39,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** ALUMINUM 5TH WHEEL!!! ENGINE BRAKE, TC, DEF, AUTOMATIC Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...
ConditionUsed
Usage289,596 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power430 HP
Engine ModelPaccar MX-11
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End20,000 lb 2.93 ratio
Stock NumberB02835-DELIVERY 2 U
MLS Number12902963
CategoryDay Cab Semi Trucks
Last Updated1/16/2025
Location
Bakersfield, CA, US
Sold By

Diamond Truck Sales Inc

Featured Item
2021 Western Star 4700SF Day Cab Truck
10 0

2021 Western Star 4700SF Day Cab Truck

$68,000 USD
For further information on quality used equipment please contact the following: MJ Leasing and Sales, LLC Brandon Speed Cell: 678-332-8498 Email:sales@mjleasingandsales.com
ConditionUsed
Usage360,251 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Engine ModelDetroit DD13L
Emission RatingGEN 5
Drivetrain4x4
Transmission12 Speed Detroit DT12 Automatic
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Stock Number101-1384
MLS Number12645552
CategoryDay Cab Semi Trucks
Last Updated1/16/2025
Location
MAYSVILLE, GA, US
Sold By

MJ Leasing & Sales, LLC

Featured Item
2020 International LT625 Sleeper Semi Truck
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
Quantity2
ConditionUsed
Usage416,439 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15, Signature
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeDouble Bunk
Rear AxleTandem Axle
Stock Number21450
MLS Number12934384
CategorySleeper Semi Trucks
Last Updated1/13/2025
Location
Benicia, CA, US
Sold By

NorCal Truck Sales and Mfg.

Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic
18 0

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

Recently Updated
$41,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage502,124 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number249300
MLS Number13359198
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Mebane, NC, US
Sold By

Penske Used Trucks

Freightliner Cascadia 116 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 116 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

Price Drop
$29,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage560,254 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End23,000 lb 2.41 ratio
Stock Number333495
MLS Number13279504
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Piqua, OH, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
24 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated
$43,500 USD
MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing;...
ConditionUsed
Usage613,157 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number332632
MLS Number12851383
CategorySleeper Semi Trucks
Last Updated2/7/2025
Location
Pompano Beach, FL, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$29,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage720,096 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number241908
MLS Number13374076
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Piqua, OH, US
Sold By

Penske Used Trucks

Volvo VNL64300 Day Cab Truck - 405HP, 12 Speed Automatic
18 0

2019 Volvo VNL64300 Day Cab Truck - 405HP, 12 Speed Automatic

Recently Updated
$27,500 USD
DRIVER SIDE STEP DAMAGE WILL BE REPAIRED Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer...
ConditionUsed
Usage684,557 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power405 HP
Engine ModelD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number238336
MLS Number13366889
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Birmingham, AL, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic
23 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Newly Listed
$53,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage778,516 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.28 ratio
Stock Number235671
MLS Number13385549
CategorySleeper Semi Trucks
Last Updated2/7/2025
Location
Duluth, GA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic
22 0

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

Price Drop
$40,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage453,536 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock Number236018
MLS Number13333371
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Norton, MA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$42,000 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage521,362 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number235444
MLS Number13321149
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
La Porte, IN, US
Sold By

Penske Used Trucks

Freightliner T12664ST Day Cab Truck - 455HP, 12 Speed Automatic
18 0

2019 Freightliner T12664ST Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$51,750 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage461,902 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number235450
MLS Number12455360
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Oklahoma City, OK, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$58,500 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage268,984 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number235304
MLS Number13328590
CategoryDay Cab Semi Trucks
Last Updated2/7/2025
Location
Montgomery, AL, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
27 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated
$56,250 USD
Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...
ConditionUsed
Usage510,738 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number332431
MLS Number13368959
CategorySleeper Semi Trucks
Last Updated2/7/2025
Location
Carson, CA, US
Sold By

Penske Used Trucks

Did you find what you were looking for? Yes No