Freightliner 12 Speed Trucks For Sale

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Showing 1 - 25 of 5,746 Listings

1 - 25 of 5,746 listings
1 - 25 of 5,746 listings
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

Recently Updated
$41,999 USD
CLEAN FLEET MAINTAINED TRUCK GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,
ConditionUsed
Usage584,231 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Engine ModelDetroit DD15
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeRaised Roof Sleeper
MLS Number13998248
CategorySleeper Semi Trucks
Last Updated1/16/2026
Location
Selma, CA, US
Sold By
Selma Truck Sales
Featured Item
Freightliner Cascadia 125 Single Axle Day Cab Truck - 455HP, 12 Speed Automatic

2019 Freightliner Cascadia 125 Single Axle Day Cab Truck - 455HP, 12 Speed Automatic

$28,536 USD
ConditionUsed
Usage484,551 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15'17 GHG 455/1625
Transmission12 Speed
SuspensionAir Ride
Rear AxleSingle Axle
Rear End2.50 ratio
Stock Number862508
MLS Number14083261
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
Kearny, NJ, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

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

$35,290 USD
ConditionUsed
Usage583,876 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15 GHG'17 455/1650
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.25 ratio
Stock Number244178
MLS Number14076756
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
West Sacramento, CA, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 125 Day Cab Truck - Detroit, 12 Speed Dt12 Automatic

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit, 12 Speed Dt12 Automatic

Price Drop $24,999 USD
CLEAN FLEET MAINTAINED GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,
ConditionUsed
Usage443,878 Miles
Duty ClassHeavy Duty Day Cab Truck
Engine ModelDetroit DD15
Transmission12 Speed Detroit DT12 Automatic
MLS Number14052174
CategoryDay Cab Semi Trucks
Last Updated1/7/2026
Location
Selma, CA, US
Sold By
Selma Truck Sales
Featured Item
Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic

2019 Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic

$41,105 USD
ConditionUsed
Usage349,268 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13 GHG'17 450/1625
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number813625
MLS Number14067392
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
West Sacramento, CA, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

2019 Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

$42,439 USD
ConditionUsed
Usage338,140 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13'17 450/1650
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number812894
MLS Number14061809
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
Springfield, MA, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 126 Single Axle Day Cab Truck - 455HP, 12 Speed Automatic

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

$26,000 USD
ConditionUsed
Usage628,834 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15'17 GHG 455/1625
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End2.50 ratio
Stock Number898113
MLS Number14058082
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
Springfield, MA, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 125 Day Cab Truck - 450HP, 12 Speed Automatic

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

$35,272 USD
ConditionUsed
Usage238,877 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelDD13 GHG'17 450/1625
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number814898
MLS Number14050971
CategoryDay Cab Semi Trucks
Last Updated1/16/2026
Location
Kearny, NJ, US
Sold By
Ryder
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

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

$54,999 USD
FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,
ConditionUsed
Usage474,000 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
MLS Number13813860
CategorySleeper Semi Trucks
Last Updated12/22/2025
Location
Odenville, AL, US
Sold By
Used Truck and Trailer, Inc.
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD
Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 09/19/2022, LEAD TRUCK,
ConditionUsed
Usage5,631 Hours
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 End40,000 lb 2.85 ratio
Stock Number1718
MLS Number14044092
CategorySleeper Semi Trucks
Last Updated12/31/2025
Location
Fontana, CA, US
Sold By
Yerevan Truck & Equipment Sales
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$95,900 USD
Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,
ConditionUsed
Usage5,326 Hours
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 End40,000 lb 2.85 ratio
Stock Number1714
MLS Number14044040
CategorySleeper Semi Trucks
Last Updated12/31/2025
Location
Fontana, CA, US
Sold By
Yerevan Truck & Equipment Sales
Featured Item
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

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

$43,000 USD
ConditionUsed
Usage943,871 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15 GHG'21 455/1500
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End2.85 ratio
Stock Number569523
MLS Number14042329
CategorySleeper Semi Trucks
Last Updated1/16/2026
Location
Kearny, NJ, US
Sold By
Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

Newly Listed
$50,814 USD
ConditionUsed
Usage741,807 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15 GHG'17 455/1500
Transmission12 Speed
Sleeper TypeCondo Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End2.85 ratio
Stock Number507539
MLS Number14100424
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Atlanta, GA, US
Sold By
Ryder
Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

Recently Updated
$59,995 USD
ConditionUsed
Usage461,719 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDD15 GHG'17 455/1650
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number895696
MLS Number13789216
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Davie, FL, US
Sold By
Ryder
Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

2019 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Newly Listed
$33,517 USD
ConditionUsed
Usage497,103 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power455 HP
Engine ModelDD15 GHG'17 455/1650
Transmission12 Speed
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number876545
MLS Number14100406
CategoryDay Cab Semi Trucks
Last Updated1/20/2026
Location
Warwick, RI, US
Sold By
Ryder
Freightliner Cascadia 126 Day Cab Truck - 400HP, 12 Speed Automatic

2019 Freightliner Cascadia 126 Day Cab Truck - 400HP, 12 Speed Automatic

Newly Listed
$31,076 USD
ConditionUsed
Usage640,789 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelDD15 GHG'17 400/1625
Transmission12 Speed
SuspensionAir Ride
Rear AxleTandem Axle
Rear End2.15 ratio
Stock Number870527
MLS Number14100405
CategoryDay Cab Semi Trucks
Last Updated1/20/2026
Location
Dallas, TX, US
Sold By
Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed
Contact for price
Used 2023 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
Usage237,059 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 Number5212
MLS Number14100149
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Londonderry, NH, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed
$75,750 USD
Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 502,931 miles, 455HP DD15AT diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, 22.5"...
ConditionUsed
Usage502,931 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 Number301537
MLS Number14100145
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
San Antonio, TX, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Price Drop $68,250 USD
Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck, 630,263 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...
ConditionUsed
Usage639,841 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number205182
MLS Number13809956
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Torrance, CA, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Newly Listed
$71,750 USD
Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 601,804 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage601,804 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 Number207059
MLS Number14100140
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Medley, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Newly Listed
$58,500 USD
Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 732,837 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage732,837 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 Number207058
MLS Number14100139
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Medley, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Newly Listed
$76,250 USD
Used 2024 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 557,864 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage557,864 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 Number207057
MLS Number14100138
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Medley, FL, US
Sold By
Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

Newly Listed
$63,000 USD
Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 590,173 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air...
ConditionUsed
Usage590,173 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDD13
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number150410
MLS Number14100133
CategorySleeper Semi Trucks
Last Updated1/20/2026
Location
Concord, NC, US
Sold By
Penske Used Trucks
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