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Used Freightliner 12 Speed Sleeper Semi Trucks For Sale

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Showing 51 - 66 of 66 Sleeper Semi Truck Listings

51 - 66 of 66 listings
51 - 66 of 66 listings
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$41,000 USD
Several Available! Super Clean Units!, 586,814 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB, Disc Brakes,...
ConditionUsed
Usage586,814 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberLJ3601
MLS Number13712709
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

$49,000 USD
571,812 Miles, DD15 Detroit, 400 HP bumped up to 505hp, DT12 Automated, APU, Collision Mitigation, 40k Rears, 2.28 Ratio, Air Ride, Deer Guard, Side Fairings, Quarter Fenders, Bunk Heater,...
ConditionUsed
Usage571,812 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 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 2.28 ratio
Stock NumberLH5106
MLS Number13712690
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$43,500 USD
555,832 Miles, DD15 Detroit, 505 HP, DT12 Automated, 72 Inch Mid-Roof XT Sleeper, Engine Brake, 40k Rears, 3.08 Ratio, Air Ride Suspension, Hydraulic Power Steering, Dual Aluminum Fuel...
ConditionUsed
Usage555,832 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberLJ3610
MLS Number13712680
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$47,500 USD
Several Available! Super Clean Units!, 504,571 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, Collision Mitigation System, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele,...
ConditionUsed
Usage504,571 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberLJ3608
MLS Number13712677
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$42,500 USD
572,857 Miles, Detroit DD15 Engine, 505 H.P Engine Brake, DT12 Transmission, (Automatic), 72" Mid-Roof XT Sleeper, 40,000 Lb. Rear Ends, 3.08 Ratio, TriPac Auxiliary Power Unit,, Super...
ConditionUsed
Usage572,857 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberLJ3604
MLS Number13712674
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$42,900 USD
DD15 Detroit, 505 HP, DT12 Automated, 2.85 Ratio, Diff Locks, 12350 Fronts, 40000 Rears, Jakes, Double Bunk Sleeper, Bluetooth, Power Windows/Locks/Mirrors, Dual Air Ride Seats, Collision...
ConditionUsed
Usage658,600 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automated
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberMH6762
MLS Number13463914
CategorySleeper Semi Trucks
Last Updated12/2/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, Automatic

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, Automatic

$59,000 USD
Fleet Maintained, Stock MA9710, Miles 465,201, Detroit DD15, 505 HP, DT 12 Automatic, Refrigerator, New mattress, 2.85 Ratio, 225" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors...
ConditionUsed
Usage465,201 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 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 2.85 ratio
Stock NumberMA9710
MLS Number12701832
CategorySleeper Semi Trucks
Last Updated12/29/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

$59,221 USD
ConditionUsed
Usage678,207 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15 GHG'21 505/1625
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End2.85 ratio
Stock Number571898
MLS Number14003540
CategorySleeper Semi Trucks
Last Updated2/13/2026
Location
Beltsville, MD, US
Sold By
Ryder
(844) 385-___  SHOW
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Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

$52,738 USD
ConditionUsed
Usage713,516 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15 GHG'17 505/1625
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number292324
MLS Number13998390
CategorySleeper Semi Trucks
Last Updated1/22/2026
Location
Beltsville, MD, US
Sold By
Ryder
(844) 385-___  SHOW
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Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

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

$55,345 USD
ConditionUsed
Usage578,017 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15 GHG'17 505/1625
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number865026
MLS Number13994669
CategorySleeper Semi Trucks
Last Updated1/22/2026
Location
Farmingdale, NY, US
Sold By
Ryder
(844) 385-___  SHOW
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Ryder
Freightliner Cascadia 126 Sleeper Semi Truck

2022 Freightliner Cascadia 126 Sleeper Semi Truck

$49,000 USD
641,343 Miles, DD15 Detroit, 505hp, DT12 Automated, Electric APU, Double Bunk, Fridge, 2.16 Ratio, 225" WB, Collision Mitigation, Inverter, Inter-Axle Lock, Air Slide, Air Suspension Dump,
ConditionUsed
Usage641,343 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 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 2.16 ratio
Stock NumberMY8495
MLS Number13463922
CategorySleeper Semi Trucks
Last Updated11/20/2025
Location
Monroe, GA, US
Sold By
AAA Trucks LLC
(844) 216-___  SHOW
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AAA Trucks LLC
2024 Freightliner Cascadia 126 * FRESH IN, 4YR 600K Remaining Factory Warranty, 9/28/27 505HP Tri Pac Apu

2024 Freightliner Cascadia 126 * FRESH IN, 4YR 600K Remaining Factory Warranty, 9/28/27 505HP Tri Pac Apu

$96,950 USD
For sale is an unbeatable 2024 Freightliner Cascadia, powered by a robust 505HP Detroit DD15 Engine with 1750 Torque and a smooth DT12 Automatic Transmission, paired with a 2.64 Rear Ratio...
Warranty
ConditionUsed
Usage6,678 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Detroit DT12 Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
Suspension4 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberUVG5059
MLS Number13871092
CategorySleeper Semi Trucks
Last Updated11/25/2025
Location
Springfield, MO, US
Sold By
Tri State Truck Center - Springfield, MO
(833) 490-___  SHOW
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Tri State Truck Center - Springfield, MO
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 12 Speed Automatic

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 12 Speed Automatic

$47,044 USD
ConditionUsed
Usage685,602 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDD15 GHG'17 505/1625
Transmission12 Speed Automatic
Sleeper TypeCondo Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End3.08 ratio
Stock Number877633
MLS Number13970579
CategorySleeper Semi Trucks
Last Updated1/6/2026
Location
Springfield, MA, US
Sold By
Ryder
(844) 385-___  SHOW
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Ryder
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

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

$35,000 USD
Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 805,355 miles, 505 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....
ConditionUsed
Usage805,355 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 3.08 ratio
Stock Number356793
MLS Number13907128
CategorySleeper Semi Trucks
Last Updated3/8/2026
Location
East Chicago, IN, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
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Penske Used Trucks
Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$59,500 USD
Used 2022 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 540,741 miles, 505HP DD15AT diesel engine, 12-speed automatic Detroit transmission, 72" integral sleeper, tandem rear axle,...
ConditionUsed
Usage540,741 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 Number421687
MLS Number13865350
CategorySleeper Semi Trucks
Last Updated2/20/2026
Location
Kansas City, MO, US
Sold By
Penske Used Trucks
(855) 942-___  SHOW
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Penske Used Trucks
Freightliner Cascadia 125 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

2016 Freightliner Cascadia 125 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

$18,000 USD
731922 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheels:...
ConditionUsed
Usage731,922 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End20,000 lb
Stock NumberHH5962
MLS Number13537755
CategorySleeper Semi Trucks
Last Updated9/16/2025
Location
Lancaster, CA, US
Sold By
TFS Recovery, Inc.
(844) 748-___  SHOW
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TFS Recovery, Inc.
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