Freightliner 6x4 Cascadia 126 Sleeper Semi Trucks with Air Ride Suspension For Sale

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17 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$54,950 USD

Condition	Used
Usage	551,064 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	CP6652
MLS Number	13766652
Category	Sleeper Semi Trucks
Last Updated	8/20/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

32 1

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

$55,900 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,...

Condition	Used
Usage	504,571 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3608
MLS Number	13712677
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

29 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$46,500 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...

Condition	Used
Usage	658,600 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MH6762
MLS Number	13463914
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

25 1

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$46,900 USD

72 Inch Raised Roof Sleeper, Upper Bunk, 606,000 Approximate Miles, ECM Reads 606,000 Miles, Detroit DD15 Engine, 475 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear Ends...

Condition	Used
Usage	606,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	KG4359
MLS Number	13712701
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

24 1

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

$49,900 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...

Condition	Used
Usage	555,832 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3610
MLS Number	13712680
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

22 1

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

$48,900 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...

Condition	Used
Usage	572,857 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3604
MLS Number	13712674
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

34 2

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

$60,500 USD

432,093 Miles, DD15 505 HP, DT12 Automated, 72" Mid-Roof XT Sleeper, Jakes, 40,000 Lb. Rear Ends, 3.08 Ratio, Air Ride, Bunk Heater,, Tilt And Teles, Cruise, Power Windows, Auxiliary Power...

Condition	Used
Usage	432,093 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3613
MLS Number	13712682
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

26 1

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

$36,500 USD

696,700 Miles, Detroit DD15, 455 HP, DT12 Automated, Double Bunk, 3.08 Ratio, 13k Fronts, 40k Rears, Collision Mitigation, APU, Super Singles, Air Slide 5th Wheel, Air Ride, Aluminum Wheels,...

Condition	Used
Usage	696,733 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	KA5264
MLS Number	13644782
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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6 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Contact for price

CALL FOR PRICE, Low Miles, Factory Warranty Remaining Contact: Ed Gibbs for more information,

Condition	Used
Usage	294,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	13707497
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(480) 995-___ SHOW
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11 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$67,900 USD

One Owner Fleet Maintained Truck, Contact Ed Gibbs for details,

Condition	Used
Usage	512,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2266
MLS Number	13707427
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

(323) 712-___ SHOW
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3 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$99,900 USD

293452 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed DT12 Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 70,...

Condition	Used
Usage	293,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	23483
MLS Number	13703265
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

33 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$42,500 USD

714,510 Miles, DD15 Detroit, 400 HP, DT12 Automated, 2.16 Ratio, 226" WB, 12500# Fronts, 40,000# Rears, Double Bunk Sleeper, Bluetooth, Inter-Axle Lock, Air Suspension Dump, Air Slide 5th...

Condition	Used
Usage	714,510 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.16 ratio
Stock Number	MA9678
MLS Number	13463920
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(480) 995-___ SHOW
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13 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, Automatic

Contact for price

2022–2023-year models available, Call for details, Mile range 390,000 to 490,000, prices vary by year and milage, remaining factory warranty available, Contact ED Gibbs for more information...

Quantity	20
Condition	Used
Usage	11,000 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2587
MLS Number	13396561
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Phoenix, AZ, US
Sold By	TCI Transportation

2 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	423,375 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5889
MLS Number	12686087
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

2 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅, Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	418,130 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5768
MLS Number	12686085
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

1 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!! David, Ana,

Condition	Used
Usage	412,678 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5973
MLS Number	12686030
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

1 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!, David, Ana,

Condition	Used
Usage	407,410 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP5959
MLS Number	12686029
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

1 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

FACTORY WARRANTY ACTIVE 500K MILES OR 5 YEARS✅ , Camera System Active for side mirrors ✅, Well Maintained Fleet Truck ✅ , Fully Serviced ✅ , Road Ready ✅ Direct Call to Sales!!,...

Condition	Used
Usage	401,432 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	LP6503
MLS Number	12685993
Category	Sleeper Semi Trucks
Last Updated	6/10/2025
Location	Edinburg, TX, US
Sold By	DeLucio USA

(844) 241-___ SHOW
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0 0

2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Other

Newly Listed

$172,995 USD

*2026 Freightliner Cascadia 126 Sleeper -- Detroit Diesel -- DT12 Overdrive** Detroit DD15 14.8L Diesel -- 505 HP / 1650 lb.-ft Torque* DT12 Overdrive Automated Manual Transmission* Dual 120...

Condition	New
Usage	744 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TSWV3898
MLS Number	13977680
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(844) 241-___ SHOW
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2026 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Other

Newly Listed

$199,995 USD

*All New 5th Generation Cascadia! **2026 Freightliner Cascadia 126 Sleeper -- Detroit Diesel -- DT12 Overdrive** Detroit DD15 14.8L Diesel -- 505 HP / 1650 lb.-ft Torque* DT12 Overdrive...

Condition	New
Usage	200 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TSWV4691
MLS Number	13977678
Category	Sleeper Semi Trucks
Last Updated	11/12/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(844) 912-___ SHOW
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0 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$62,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, AIR RIDE, AUTOMATIC,DD15, DT12, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer...

Condition	Used
Usage	580,831 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	H02441
MLS Number	13969072
Category	Sleeper Semi Trucks
Last Updated	11/13/2025
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

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

Contact for price

Several Available!, Fresh DOT, Full 128 Point Inspection, 507,624 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	507,624 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5969
MLS Number	13916448
Category	Sleeper Semi Trucks
Last Updated	10/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

0 0

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

Contact for price

Several Available!, Fresh DOT, Full 128 Point Inspection, 564,000 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	564,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5954
MLS Number	13916447
Category	Sleeper Semi Trucks
Last Updated	10/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

0 0

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

Contact for price

Several Available!, Fresh DOT, Full 128 Point Inspection, 547,272 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	547,272 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5950
MLS Number	13916446
Category	Sleeper Semi Trucks
Last Updated	10/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC