Diesel 12 Speed Trucks For Sale

Your Current Search
Industry
Trucks
Transmission Speeds
12 Speed
Fuel Type
Diesel
Inspection Report
No
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (5516)
Model
Select a manufacturer to view available models.
Model Year
-
GVWR Category
Transmission Speed
12 Speed (5516)
Cab Style
Fuel Type
Diesel (5516)
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
1-25 of 5,516 results
1-25 of 5,516 results
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt
10 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated
$60,000 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
ConditionUsed
Usage483,947 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number3644
MLS Number13157318
CategorySleeper Semi Trucks
Last Updated12/24/2024
Location
GRANGER, IA, US
Sold By

Barr-Nunn Transportation LLC

Featured Item
2020 Kenworth T680 Sleeper Semi Truck
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
ConditionUsed
Usage417,330 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelPaccar
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
MLS Number12705655
CategorySleeper Semi Trucks
Last Updated12/30/2024
Location
Midlothian, VA, US
Sold By

Life Line Truking

Featured Item
Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic
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...
ConditionUsed
Usage526,094 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number192
MLS Number12902768
CategorySleeper Semi Trucks
Last Updated12/4/2024
Location
Belvidere, IL, US
Sold By

First Class 8 Truck Sales

2021 Kenworth T680-Sleeper Truck Sleeper Semi Truck
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:...
ConditionUsed
Usage427,604 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins ISX / X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeDouble Bunk
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number1813810
MLS Number13126578
CategorySleeper Semi Trucks
Last Updated12/30/2024
Location
Atlanta, GA, US
Sold By

Rush Truck Centers Atlanta

2023 Peterbilt 579 Sleeper Semi Truck
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
ConditionUsed
Usage424,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power510 HP
Engine ModelPaccar
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeCondo Sleeper
Sleeper Size80"
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock NumberHP3593
MLS Number13223593
CategorySleeper Semi Trucks
Last Updated12/30/2024
Location
Strafford, MO, US
Sold By

HD Trucks LLC

2020 International LT625 Sleeper Semi Truck
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...
ConditionUsed
Usage447,500 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15, Signature
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeSky Rise Pro Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number1030700
MLS Number13305223
CategorySleeper Semi Trucks
Last Updated12/30/2024
Location
Atlanta, GA, US
Sold By

Rush Truck Centers Atlanta

Freightliner X11364ST Day Cab Truck - 450HP, 12 Speed Automatic
18 0

2016 Freightliner X11364ST Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage473,678 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock Number716777
MLS Number12639575
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic
25 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage496,395 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 2.27 ratio
Stock Number714506
MLS Number12024429
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
24 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed
Call for price
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
Usage598,949 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number275897
MLS Number13304729
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Greensboro, NC, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
26 0

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed
Call for price
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
Usage549,463 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 Number294314
MLS Number13304719
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Phoenix, AZ, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
24 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage399,301 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number268806
MLS Number12933361
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Ladson, SC, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
24 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage399,091 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number268802
MLS Number12931805
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Ladson, SC, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic
25 0

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 475HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage493,253 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power475 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number270365
MLS Number13142546
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage601,490 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number254666
MLS Number13243688
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2019 Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage361,141 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 Number261881
MLS Number12885364
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Waxahachie, TX, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2019 Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage323,570 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 Number261880
MLS Number12885363
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Waxahachie, TX, US
Sold By

Penske Used Trucks

Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic
23 0

2019 Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage229,812 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number257253
MLS Number13092895
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Warrenton, VA, US
Sold By

Penske Used Trucks

Freightliner T12664ST Day Cab Truck - 450HP, 12 Speed Automatic
18 0

2019 Freightliner T12664ST Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage763,285 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number261844
MLS Number12740890
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic
18 0

2019 Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage396,450 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 Number248638
MLS Number12583024
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Cranbury, NJ, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
23 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage621,319 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number258087
MLS Number13181874
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
24 0

2019 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage552,731 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number260706
MLS Number12626921
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Macon, GA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic
18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage475,327 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 Number255531
MLS Number13161167
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Piqua, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 116 Day Cab Truck - 435HP, 12 Speed Automatic
17 0

2019 Freightliner Cascadia 116 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
Call for price
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
Usage628,003 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number333723
MLS Number13252367
CategoryDay Cab Semi Trucks
Last Updated12/29/2024
Location
Cranbury, NJ, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Recently Updated
Call for price
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
Usage334,901 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 Number332712
MLS Number13132630
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Mebane, NC, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Recently Updated
Call for price
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
Usage464,127 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 Number332711
MLS Number13134898
CategorySleeper Semi Trucks
Last Updated12/29/2024
Location
Mebane, NC, US
Sold By

Penske Used Trucks

Did you find what you were looking for? Yes No