Diesel 12 Speed Trucks For Sale

Your Current Search
Industry
Trucks
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 (5358)
Model
Select a manufacturer to view available models.
Model Year
-
GVWR Category
Transmission Speed
12 Speed (5358)
Cab Style
Fuel Type
Diesel (5358)
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
851-875 of 5,358 results
851-875 of 5,358 results
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
23 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed
$62,000 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
Usage624,820 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 Number368861
MLS Number13398019
CategorySleeper Semi Trucks
Last Updated2/14/2025
Location
Decatur, AL, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$48,250 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
Usage508,024 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 Number349974
MLS Number12462637
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
Melrose Park, IL, US
Sold By

Penske Used Trucks

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

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

Price Drop
$48,250 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
Usage457,141 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 Number349970
MLS Number12462635
CategoryDay Cab Semi Trucks
Last Updated2/19/2025
Location
Melrose Park, IL, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$42,500 USD
SPECIAL PROMOTION - Original Price: $49500.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...
ConditionUsed
Usage501,907 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 Number349960
MLS Number12383214
CategoryDay Cab Semi Trucks
Last Updated2/19/2025
Location
Davenport, IA, US
Sold By

Penske Used Trucks

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

2020 Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic

Price Drop
$68,000 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
Usage211,966 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 Number367309
MLS Number13378718
CategoryDay Cab Semi Trucks
Last Updated2/19/2025
Location
Tuscaloosa, AL, US
Sold By

Penske Used Trucks

Freightliner Cascadia 116 Single Axle Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2020 Freightliner Cascadia 116 Single Axle Day Cab Truck - 435HP, 12 Speed Automatic

Newly Listed
$45,000 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
Usage467,655 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End40,000 lb 2.41 ratio
Stock Number3330230
MLS Number13398017
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
Indianapolis, IN, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic
23 0

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

Recently Updated
$63,250 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
Usage589,446 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 2.85 ratio
Stock Number360740
MLS Number13148895
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Shreveport, LA, 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

Recently Updated
$53,750 USD
SPECIAL PROMOTION - Original Price: $56750.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage397,148 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 Number359603
MLS Number12671180
CategorySleeper Semi Trucks
Last Updated2/18/2025
Location
Obetz, OH, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
28 0

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

Price Drop
$60,500 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
Usage482,174 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 Number359558
MLS Number13369142
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Sun Valley, CA, US
Sold By

Penske Used Trucks

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

2020 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$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
Usage340,331 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 Number355123
MLS Number12906129
CategoryDay Cab Semi Trucks
Last Updated2/15/2025
Location
Belden, MS, US
Sold By

Penske Used Trucks

Volvo VNR64300 Day Cab Truck - 455HP, 12 Speed Automatic
18 0

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

Recently Updated
$43,750 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
Usage493,125 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 Number351886
MLS Number13182223
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

Volvo VNR64300 Day Cab Truck - 455HP, 12 Speed Automatic
18 0

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

Recently Updated
$45,500 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
Usage473,708 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 Number351918
MLS Number13191522
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
East Chicago, IN, 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

Recently Updated
$61,500 USD
SPECIAL PROMOTION - Original Price: $66500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage526,019 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 Number351740
MLS Number13218596
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Duluth, GA, 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

Recently Updated
$57,750 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
Usage686,969 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 2.79 ratio
Stock Number351427
MLS Number12805325
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Cincinnati, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic
22 0

2020 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$74,250 USD
HEADACHE RACK INCLUDED 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
Usage144,648 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 Number351599
MLS Number13367196
CategoryDay Cab Semi Trucks
Last Updated2/19/2025
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

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

2021 Volvo VNR64300 Day Cab Truck - 425HP, 12 Speed Automatic

Recently Updated
$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
Usage507,718 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 2.47 ratio
Stock NumberCW572
MLS Number13314418
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Melrose Park, IL, 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

Recently Updated
$38,250 USD
SPECIAL PROMOTION - Original Price: $43250.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage539,707 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 NumberCW1013
MLS Number13224296
CategoryDay Cab Semi Trucks
Last Updated2/19/2025
Location
Fontana, CA, 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

Recently Updated
$41,500 USD
SPECIAL PROMOTION - Original Price: $44500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage512,040 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 NumberCW714
MLS Number13178790
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Bakersfield, CA, 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

Recently Updated
$48,500 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
Usage488,215 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 2.47 ratio
Stock NumberCW662
MLS Number12678160
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
Houston, TX, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic
21 0

2020 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$41,000 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
Usage501,296 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.47 ratio
Stock Number302298
MLS Number12701221
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Londonderry, NH, US
Sold By

Penske Used Trucks

Freightliner T11664ST Day Cab Truck - 450HP, 12 Speed Automatic
22 0

2020 Freightliner T11664ST Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
$47,250 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
Usage475,495 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 Number295270
MLS Number12885570
CategoryDay Cab Semi Trucks
Last Updated2/18/2025
Location
Indianapolis, IN, US
Sold By

Penske Used Trucks

Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
28 0

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

Recently Updated
$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
Usage552,473 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 Number303441
MLS Number12718907
CategorySleeper Semi Trucks
Last Updated2/19/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
20 0

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

Price Drop
$57,750 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
Usage354,657 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 Number294359
MLS Number13359332
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Jessup, MD, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$55,750 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
Usage251,949 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 Number293511
MLS Number12859061
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Fitchburg, MA, 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

Price Drop
$62,750 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
Usage242,923 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 Number289179
MLS Number13356147
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
New Castle, DE, US
Sold By

Penske Used Trucks

Did you find what you were looking for? Yes No