Used Diesel Freightliner 12 Speed Trucks For Sale

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1-25 of 3,685 results
1-25 of 3,685 results
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic
19 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated
$41,950 USD
Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....
ConditionUsed
Usage663,050 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number282
MLS Number13302520
CategorySleeper Semi Trucks
Last Updated3/28/2025
Location
Belvidere, IL, US
Sold By

First Class 8 Truck Sales

Featured Item
Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt
14 0

2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$32,500 USD
180 DAY/50K MILE WARRANTY INCLUDED!!!! A clean truck, Automatic!!! Call for more information,
ConditionUsed
Usage508,207 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
SuspensionAirLiner
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number108729
MLS Number13418170
CategoryDay Cab Semi Trucks
Last Updated3/11/2025
Location
Louisville, KY, US
Sold By

Boyd Truck Centers

Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic
8 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

$84,999 USD
8 Brand New Drive Tires. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. DPF cleaned. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit, No Credit,...
ConditionUsed
Usage329,502 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
MLS Number12975900
CategorySleeper Semi Trucks
Last Updated3/12/2025
Location
Selma, CA, US
Sold By

Selma Truck Sales

Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic
9 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$58,999 USD
Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...
ConditionUsed
Usage404,625 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
MLS Number10070531
CategorySleeper Semi Trucks
Last Updated3/12/2025
Location
Selma, CA, US
Sold By

Selma Truck Sales

Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic
19 0

2018 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$22,000 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
Usage616,427 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number189113
MLS Number13114664
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Fredonia, NY, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$24,000 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
Usage615,105 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number189111
MLS Number13139707
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Montgomery, NY, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic
17 0

2018 Freightliner Cascadia 125 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$28,500 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
Usage548,886 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.41 ratio
Stock Number189108
MLS Number13096419
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Rochester, NY, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic
21 0

2018 Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic

Recently Updated
$30,250 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
Usage475,959 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 Number183686
MLS Number12741803
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Bethlehem, PA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic
18 0

2018 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated
$34,000 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
Usage458,461 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number184912
MLS Number12726271
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Morgantown, WV, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic
18 0

2018 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated
$38,500 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
Usage359,215 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number184910
MLS Number12718647
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Morgantown, WV, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic
18 0

2018 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated
$35,250 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
Usage433,836 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number184909
MLS Number12780472
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Morgantown, WV, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic
18 0

2018 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated
$31,000 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
Usage531,780 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number184904
MLS Number12726269
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Morgantown, WV, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic
18 0

2018 Freightliner Cascadia 125 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated
$34,250 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
Usage451,793 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number184901
MLS Number12718646
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Morgantown, WV, US
Sold By

Penske Used Trucks

Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic
20 0

2018 Freightliner Cascadia 125 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$34,500 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
Usage440,464 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 Number182331
MLS Number12875841
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 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
Usage369,287 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 Number316640
MLS Number13397483
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Brooklyn Park, MN, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$41,750 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
Usage445,632 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 Number316501
MLS Number13400499
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Duluth, GA, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$23,500 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
Usage678,531 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 Number316376
MLS Number13183615
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

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

2018 Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$34,250 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
Usage461,910 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 Number316375
MLS Number12650651
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Newark, OH, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
17 0

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$46,250 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
Usage311,282 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 Number316348
MLS Number13088896
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Mebane, NC, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$38,750 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
Usage465,298 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 Number316274
MLS Number13430275
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Cranbury, NJ, US
Sold By

Penske Used Trucks

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

2018 Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$45,750 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
Usage366,487 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 Number316142
MLS Number12860446
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$37,750 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
Usage488,057 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 Number315788
MLS Number13178540
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$39,250 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
Usage452,184 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 Number315783
MLS Number13368543
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Mount Pleasant, PA, US
Sold By

Penske Used Trucks

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

2018 Freightliner T12664ST Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$37,250 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
Usage428,524 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 Number315776
MLS Number12848839
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Cranbury, NJ, US
Sold By

Penske Used Trucks

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

2018 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Recently Updated
$38,250 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
Usage445,803 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 Number315308
MLS Number13183613
CategoryDay Cab Semi Trucks
Last Updated3/30/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

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