Heavy Duty 12 Speed Trucks For Sale

Your Current Search
Industry
Trucks
GVWR Category
Heavy Duty
Transmission Speeds
12 Speed
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (6262)
Model
Select a manufacturer to view available models.
Model Year
-
GVWR Category
Heavy Duty (6262)
Transmission Speed
12 Speed (6262)
Cab Style
Fuel Type
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
2801-2825 of 6,262 results
2801-2825 of 6,262 results
Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic
23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop
$65,000 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
Usage475,020 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number353557
MLS Number13359621
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
Zelienople, PA, US
Sold By

Penske Used Trucks

Volvo VNR64300 Day Cab Truck - 455HP, 12 Speed Automatic
19 0

2020 Volvo VNR64300 Day Cab Truck - 455HP, 12 Speed Automatic

$56,500 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
Usage381,577 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.47 ratio
Stock Number351891
MLS Number13132874
CategoryDay Cab Semi Trucks
Last Updated2/20/2025
Location
Moberly, MO, US
Sold By

Penske Used Trucks

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

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

$61,750 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
Usage394,734 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 Number353458
MLS Number12348193
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Kansas City, MO, US
Sold By

Penske Used Trucks

Volvo VNR64300 Day Cab Truck - 425HP, 12 Speed Automatic
18 0

2020 Volvo VNR64300 Day Cab Truck - 425HP, 12 Speed Automatic

$54,000 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
Usage438,792 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power425 HP
Engine ModelD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberCW776
MLS Number13178795
CategoryDay Cab Semi Trucks
Last Updated2/22/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic
25 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$65,750 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
Usage497,316 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number350428
MLS Number13400843
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
Lowell, AR, US
Sold By

Penske Used Trucks

Freightliner Cascadia 113 Day Cab Truck - 410HP, 12 Speed Automatic
18 0

2020 Freightliner Cascadia 113 Day Cab Truck - 410HP, 12 Speed Automatic

$56,500 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
Usage343,454 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number302420
MLS Number13178789
CategoryDay Cab Semi Trucks
Last Updated2/20/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic
32 1

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

$49,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC, DETROIT, LIQUID DEF, COLLISION MITIGATION SYSTEM Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS...
ConditionUsed
Usage639,362 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberH01567-DELIVERY 2 U
MLS Number13386068
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Houston, TX, US
Sold By

Diamond Truck Sales Inc

Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic
69 0

2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic

$49,500 USD
FLEET MAINTAINED PETERBILT 579, CUMMINS POWERED, AUTOMATIC TRANSMISSION, NEW VIRGIN RUBBER! PLENTY TO CHOOSE FROM. Please visit our website southerntrucksales or call for all our other...
ConditionUsed
Usage444,474 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number6913
MLS Number13384300
CategoryDay Cab Semi Trucks
Last Updated2/21/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Volvo VNL64300 Day Cab Truck - 455HP, 12 Speed Automatic
20 0

2020 Volvo VNL64300 Day Cab Truck - 455HP, 12 Speed Automatic

$67,500 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
Usage220,471 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number301462
MLS Number13077887
CategoryDay Cab Semi Trucks
Last Updated2/15/2025
Location
Houston, TX, US
Sold By

Penske Used Trucks

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

2020 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

$76,500 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
Usage98,245 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number303189
MLS Number13311789
CategoryDay Cab Semi Trucks
Last Updated2/20/2025
Location
Hammond, LA, US
Sold By

Penske Used Trucks

Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
23 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop
$70,500 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
Usage493,994 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 Number303463
MLS Number12734046
CategorySleeper Semi Trucks
Last Updated2/16/2025
Location
Kansas City, MO, US
Sold By

Penske Used Trucks

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

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

Price Drop
$61,250 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
Usage562,714 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 Number303447
MLS Number13351840
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

Volvo VNL64300 Day Cab Truck - 455HP, 12 Speed Automatic
17 0

2020 Volvo VNL64300 Day Cab Truck - 455HP, 12 Speed Automatic

$53,500 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
Usage292,180 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.47 ratio
Stock Number293510
MLS Number12788622
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
Fitchburg, MA, US
Sold By

Penske Used Trucks

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

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

Price Drop
$64,500 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
Usage530,508 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 Number341939
MLS Number13383338
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
Orlando, FL, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
25 0

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

$50,750 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
Usage530,452 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 Number338961
MLS Number13400818
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
Melbourne, FL, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
21 0

2020 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

$68,500 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
Usage186,132 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number340049
MLS Number13279550
CategoryDay Cab Semi Trucks
Last Updated2/20/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
19 0

2020 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

$66,000 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
Usage237,642 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number340045
MLS Number13362715
CategoryDay Cab Semi Trucks
Last Updated2/21/2025
Location
Stockton, CA, US
Sold By

Penske Used Trucks

Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
25 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$57,500 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
Usage608,120 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 Number303709
MLS Number12109372
CategorySleeper Semi Trucks
Last Updated2/22/2025
Location
Chesapeake, VA, US
Sold By

Penske Used Trucks

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

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

$57,500 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
Usage420,888 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 Number338121
MLS Number12284884
CategorySleeper Semi Trucks
Last Updated2/21/2025
Location
Chattanooga, TN, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
22 0

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

$52,000 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
Usage547,520 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 Number337977
MLS Number13400756
CategorySleeper Semi Trucks
Last Updated2/21/2025
Location
Laredo, TX, US
Sold By

Penske Used Trucks

Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2020 Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic

$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
Usage475,306 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number337586
MLS Number12288186
CategoryDay Cab Semi Trucks
Last Updated2/21/2025
Location
Carrollton, TX, US
Sold By

Penske Used Trucks

Mack Granite 104FR Quad Axle Dump Truck - MP8 505HP, 12 Speed M Drive Automatic, 19.5' Dump
11 0

2022 Mack Granite 104FR Quad Axle Dump Truck - MP8 505HP, 12 Speed M Drive Automatic, 19.5' Dump

$214,900 USD
Quad Axle, MP8 Mack 505 HP, MDrive Automatic 12 Speed, 3.98 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 270" Wheelbase, 24' 7" Bridge, Camelback, Double Frame, 3 Stage Engine Brake, Air...
ConditionUsed
Usage197,256 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeHERITAGE
Bed Length19.5
Horse Power505 HP
Engine ModelMack MP8
Transmission12 Speed mDRIVE Automatic
SuspensionCamelback
Rear AxleQuad Axle
Rear End3.98 ratio
Stock NumberNM001850
MLS Number13310527
CategoryDump Trucks
Last Updated2/15/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
2 0

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

$65,000 USD
APU, PM, DOT, Available Warranty.
Inspection Report
ConditionUsed
Usage312,973 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 Number501091
MLS Number13400746
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
La Vergne, TN, 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

$65,000 USD
APU, PM, DOT, Available Warranty.
Inspection Report
ConditionUsed
Usage316,589 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 Number501089
MLS Number13400745
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
3 0

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

$59,000 USD
APU, Double Bunk, PM, DOT, Clean!!
Inspection Report
ConditionUsed
Usage404,762 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 Number501083
MLS Number13400743
CategorySleeper Semi Trucks
Last Updated2/15/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

Did you find what you were looking for? Yes No