Freightliner 12 Speed Trucks For Sale

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Showing 1201 - 1225 of 5,434 Listings

1201 - 1225 of 5,434 listings
1201 - 1225 of 5,434 listings
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage654,064 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKP8071
MLS Number14080366
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Contact for price
AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage675,499 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKP8055
MLS Number14080365
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage647,442 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKP8053
MLS Number14080364
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage693,775 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKP8044
MLS Number14080362
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

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AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage658,103 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKP8043
MLS Number14080361
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Contact for price
AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage672,120 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKA5254
MLS Number14080359
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Contact for price
AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage643,615 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKA5253
MLS Number14080358
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Contact for price
AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage682,987 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Rear AxleTandem Axle
Stock NumberKA5250
MLS Number14080357
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Amt

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Amt

$33,499 USD
AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM
ConditionUsed
Usage671,330 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Automated
Rear AxleTandem Axle
Stock NumberKA5240
MLS Number14080355
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

$53,750 USD
Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 356,090 miles, 435 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...
ConditionUsed
Usage356,106 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power435 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock Number361958
MLS Number14140010
CategoryDay Cab Semi Trucks
Last Updated2/17/2026
Location
Fontana, CA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$43,500 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck, 686,356 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride...
ConditionUsed
Usage686,375 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 Number364694
MLS Number14055740
CategorySleeper Semi Trucks
Last Updated2/12/2026
Location
Toledo, OH, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$56,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 582,183 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed automatic transmission, tandem rear axle, air ride...
ConditionUsed
Usage582,199 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 Number362671
MLS Number14123738
CategorySleeper Semi Trucks
Last Updated2/12/2026
Location
Phoenix, AZ, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 410HP, 12 Speed Automatic

2020 Freightliner Cascadia 126 Day Cab Truck - 410HP, 12 Speed Automatic

$33,750 USD
Used 2020 Freightliner Cascadia 126 Day Cab for sale, 605,441 miles, 410 HP DD13 engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension, 160-gallon fuel...
ConditionUsed
Usage605,451 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number361019
MLS Number14049034
CategoryDay Cab Semi Trucks
Last Updated2/19/2026
Location
Hueytown, AL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$51,500 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension....
ConditionUsed
Usage554,959 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 Number360403
MLS Number14140007
CategorySleeper Semi Trucks
Last Updated2/14/2026
Location
Louisville, KY, US
Sold By
Penske Used Trucks
Freightliner Cascadia 116 Day Cab Truck - 450HP, 12 Speed Automatic

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

Price Drop $37,000 USD
Used 2020 Freightliner Cascadia 116 Day Cab Truck for sale, 397,428 miles, 450 HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension. Check it...
ConditionUsed
Usage397,429 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock Number360527
MLS Number13649484
CategoryDay Cab Semi Trucks
Last Updated2/13/2026
Location
Ocala, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$55,750 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" Integral Sleeper, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension,...
ConditionUsed
Usage487,451 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 Number360210
MLS Number14140006
CategorySleeper Semi Trucks
Last Updated2/14/2026
Location
Fredericksburg, VA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$73,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 248,991 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle,...
ConditionUsed
Usage248,991 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 Number360206
MLS Number14140005
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Omaha, NE, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

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

$64,750 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 347,387 miles, 455HP DD15AT engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle, air ride...
ConditionUsed
Usage347,387 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 Number360203
MLS Number14140003
CategorySleeper Semi Trucks
Last Updated2/18/2026
Location
Fredericksburg, VA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

2020 Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

$55,750 USD
Used 2020 Freightliner Cascadia 126 Day Cab Truck with 197,449 miles, 450 HP DD13 diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension, 150-gal fuel...
ConditionUsed
Usage197,500 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 Number355442
MLS Number13885254
CategoryDay Cab Semi Trucks
Last Updated2/12/2026
Location
East Chicago, IN, US
Sold By
Penske Used Trucks
Freightliner Cascadia 113 Day Cab Truck - 450HP, 12 Speed Automatic

2020 Freightliner Cascadia 113 Day Cab Truck - 450HP, 12 Speed Automatic

$41,000 USD
Used 2020 Freightliner Cascadia 113 Day Cab Truck, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, tandem air ride suspension, 175" wheelbase, 160-gallon fuel capacity,...
ConditionUsed
Usage414,695 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.23 ratio
Stock Number352625
MLS Number14014039
CategoryDay Cab Semi Trucks
Last Updated2/17/2026
Location
South Bend, IN, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 475HP, 12 Speed Automatic

2020 Freightliner Cascadia 126 Day Cab Truck - 475HP, 12 Speed Automatic

$49,500 USD
Used 2020 Freightliner Cascadia 126 Day Cab Semi Truck, 475 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 200-gallon fuel capacity,...
ConditionUsed
Usage256,041 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power475 HP
Engine ModelDD15AT
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number352162
MLS Number13781466
CategoryDay Cab Semi Trucks
Last Updated2/19/2026
Location
Middlefield, OH, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$48,950 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, Oil...
ConditionUsed
Usage482,828 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 Number3551
MLS Number14009890
CategorySleeper Semi Trucks
Last Updated2/12/2026
Location
GRANGER, IA, US
Sold By
Barr-Nunn Transportation LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,950 USD
New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 45K...
ConditionUsed
Usage483,384 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 2.47 ratio
Stock Number3506
MLS Number13998190
CategorySleeper Semi Trucks
Last Updated2/12/2026
Location
GRANGER, IA, US
Sold By
Barr-Nunn Transportation LLC
Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

2020 Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

$50,250 USD
Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 450HP DD13 engine, 412,166 miles, 12-speed Detroit automatic transmission, tandem rear axle, air ride suspension, 200-gallon fuel...
ConditionUsed
Usage412,394 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 Number349693
MLS Number14091762
CategoryDay Cab Semi Trucks
Last Updated2/14/2026
Location
Lacey, WA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

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

$46,500 USD
Used 2020 Freightliner Cascadia 126 Day Cab Truck for sale, 369,602 miles, 435HP DD13 diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension. Check it...
ConditionUsed
Usage371,894 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 Number308029
MLS Number14013962
CategoryDay Cab Semi Trucks
Last Updated2/18/2026
Location
Lansing, MI, US
Sold By
Penske Used Trucks
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