Used Diesel Freightliner 12 Speed Trucks For Sale

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1-25 of 3,487 results
1-25 of 3,487 results
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic
17 0

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

Recently Updated
$44,950 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 Updated2/8/2025
Location
Belvidere, IL, US
Sold By

First Class 8 Truck Sales

Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic
19 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$34,950 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
Usage661,226 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"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number274
MLS Number13302624
CategorySleeper Semi Trucks
Last Updated2/7/2025
Location
Belvidere, IL, US
Sold By

First Class 8 Truck 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

Freightliner Cascadia 126 Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic
18 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed
$36,500 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
Usage599,999 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number304
MLS Number13389629
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Belvidere, IL, US
Sold By

First Class 8 Truck Sales

Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 475HP
41 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 475HP

Newly Listed
$52,900 USD
Thermoking APU,, stock: 260637, transmodel: DT12, engine type: DD15, dualbreathers: 0, dualexhaust: 0,
ConditionUsed
Usage579,001 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power475 HP
Drivetrain6x4
Transmission12 Speed
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number260637
MLS Number13389502
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Tampa, FL, US
Sold By

Southport Truck Group

Freightliner Cascadia 125 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic
27 0

2016 Freightliner Cascadia 125 Sleeper Semi Truck - 60" 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
Usage812,892 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number716679
MLS Number12786485
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Lawrence, MA, US
Sold By

Penske Used Trucks

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

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
$77,000 USD
SPECIAL PROMOTION - Original Price: $80000.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage506,170 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 Number428840
MLS Number13231536
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Piqua, OH, US
Sold By

Penske Used Trucks

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

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
$89,000 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
Usage500,256 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 Number462341
MLS Number13268566
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Gilroy, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic
20 0

2022 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$54,500 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
Usage518,333 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 Number424185
MLS Number12910688
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Albany, NY, US
Sold By

Penske Used Trucks

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

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated
$87,750 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
Usage350,951 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 2.85 ratio
Stock Number408992
MLS Number13314856
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Watertown, NY, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
26 0

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

Recently Updated
$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
Usage594,754 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 Number394749
MLS Number13352048
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Allentown, PA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$67,000 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
Usage358,730 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 Number382866
MLS Number13316193
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Belcamp, MD, US
Sold By

Penske Used Trucks

Freightliner T12664ST Day Cab Truck - 470HP, 12 Speed Automatic
23 0

2021 Freightliner T12664ST Day Cab Truck - 470HP, 12 Speed Automatic

Price Drop
$88,000 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
Usage163,423 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power470 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number322120
MLS Number12348271
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Tulsa, OK, US
Sold By

Penske Used Trucks

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

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$83,250 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
Usage210,475 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 Number345371
MLS Number13326712
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
23 0

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$80,000 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
Usage290,870 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 Number345363
MLS Number13295150
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

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

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$81,750 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
Usage245,187 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 Number345346
MLS Number13284327
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

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

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$81,000 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
Usage263,507 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 Number384720
MLS Number13271033
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

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

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$86,500 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
Usage142,797 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 Number384594
MLS Number13244281
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Fresno, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic
21 0

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop
$82,000 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
Usage237,757 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 Number384562
MLS Number13268432
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
West Sacramento, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic
20 0

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated
$78,750 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
Usage321,261 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 Number384536
MLS Number13303912
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
West Sacramento, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic
16 0

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$87,000 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
Usage132,172 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 Number383958
MLS Number13356256
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
West Sacramento, CA, US
Sold By

Penske Used Trucks

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

2021 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop
$83,000 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
Usage213,299 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 Number383941
MLS Number13279910
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic
28 0

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

Recently Updated
$72,750 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
Usage479,858 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 Number380852
MLS Number13244277
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Sterling, VA, US
Sold By

Penske Used Trucks

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

Recently Updated
$67,250 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
Usage662,227 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 Number380836
MLS Number13231479
CategorySleeper Semi Trucks
Last Updated2/11/2025
Location
Ontario, CA, US
Sold By

Penske Used Trucks

Freightliner Cascadia 126 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic
18 0

2021 Freightliner Cascadia 126 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

Recently Updated
$90,750 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
Usage139,246 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End23,000 lb 3.08 ratio
Stock Number344878
MLS Number13247527
CategoryDay Cab Semi Trucks
Last Updated2/11/2025
Location
Bakersfield, CA, US
Sold By

Penske Used Trucks

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