Used Freightliner Tandem Axle 6x4 Sleeper Semi Trucks For Sale

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

$99,900 USD

The 2019 Freightliner Cascadia 126 is a highly regarded used Class 8 highway tractor that stands out for its powerful drivetrains, aerodynamic design, driver comfort, and advanced safety...

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	3/24/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$76,200 USD

Condition	Used
Usage	506,034 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32436
MLS Number	14260645
Category	Sleeper Semi Trucks
Last Updated	3/24/2026
Location	Wilmer, TX, US
Sold By	Schneider

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$83,700 USD

Condition	Used
Usage	434,638 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32422
MLS Number	14260644
Category	Sleeper Semi Trucks
Last Updated	3/23/2026
Location	Wilmer, TX, US
Sold By	Schneider

(833) 801-___ SHOW
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2016 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$13,000 USD

RUNS EXCELLENT, CLEAN TRUCK, DOUBLE BUNK, DUAL AIR RIDE SEATS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, POWER WINDOWS, HEATED MIRRORS, POWER MIRRORS!!,

Condition	Used
Usage	1,070,222 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
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	16DET107INOPCAS
MLS Number	14259756
Category	Sleeper Semi Trucks
Last Updated	3/21/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
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2016 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$10,000 USD

GOOD TRUCK, RUNS EXCELLENT, DOUBLE BUNK, DUAL AIR RIDE SEATS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, POWER WINDOWS, HEATED MIRRORS, POWER MIRRORS!! *HAS ELECTIC FAULT IN...

Condition	Used
Usage	845,499 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
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	16DET845CAS
MLS Number	14057182
Category	Sleeper Semi Trucks
Last Updated	3/21/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 781-___ SHOW
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2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$77,700 USD

Condition	Used
Usage	474,815 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15 GEN5
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32042
MLS Number	14256718
Category	Sleeper Semi Trucks
Last Updated	3/23/2026
Location	Carlisle, PA, US
Sold By	Schneider

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

$64,995 USD

2021 FREIGHTLINER CASCADIA 126, WALMART SPECS, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 487,985 MILES, DIESEL APU, FLEET MAINTAINED, LOADED TRUCKS MULTIPLE WALMART UNITS...

Condition	Used
Usage	487,895 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	40,000 lb
Stock Number	8255
MLS Number	14236842
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$64,995 USD

MULTIPLE WALMART UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS...

Condition	Used
Usage	490,000 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	40,000 lb
Stock Number	8082
MLS Number	14236841
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$75,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15, 505 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 412,134 MILES, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	412,134 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 2.85 ratio
Stock Number	2812
MLS Number	14229254
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$81,995 USD

2023 FREIGHTLINER CASCADIA 126, DETROIT DD15, GEN 5 / 505 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 398,457 MILES, 240 GALLONS FUEL TANKS, UNDER FACTORY WARRANTY, FLEET MAINTAINED...

Condition	Used
Usage	398,457 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
Stock Number	6634
MLS Number	14172583
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$59,995 USD

2021 FREIGHTLINER CASCADIA 126, DETORIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 537,644 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	537,644 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	40,000 lb
Stock Number	3342
MLS Number	14142908
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$73,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15, GEN 5, 455 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 434,416 MILES FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED...

Condition	Used
Usage	434,416 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	40,000 lb
Stock Number	3383
MLS Number	14083864
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$78,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 357,184 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	357,184 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	40,000 lb
Stock Number	6937
MLS Number	13794524
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$71,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 389,395 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN...

Condition	Used
Usage	389,395 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	40,000 lb
Stock Number	7138
MLS Number	13688191
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$72,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 370,584 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN...

Condition	Used
Usage	370,584 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	40,000 lb
Stock Number	7098
MLS Number	13688190
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$72,995 USD

DETROIT DD15 / DETROIT DT12 AUTOMATIC / FINANCING AVAILABLE / FLEET MAINTAINED 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, 455 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 369,598...

Condition	Used
Usage	369,598 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	8028
MLS Number	13436849
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

$73,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, 455 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 366,068 MILES, FLEET MAINTAINED, READY TO WORK MULTIPLE SIMILAR UNITS AVAILABLE FINANCING...

Condition	Used
Usage	366,068 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	0613
MLS Number	13436837
Category	Sleeper Semi Trucks
Last Updated	3/19/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(833) 986-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

$77,900 USD

343629 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 229, Tandem Rear Axles,...

Condition	Used
Usage	343,629 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	268333
MLS Number	14229866
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$106,429.83 USD

678887 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	678,887 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	UW0288A
MLS Number	14248734
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP

$107,897.83 USD

606570 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	606,570 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	UW0289A
MLS Number	14248733
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$91,749.85 USD

716819 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	716,819 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	VB5626A
MLS Number	14248732
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

(844) 216-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

$29,900 USD

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	705,217 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8044
MLS Number	14080362
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 985-___ SHOW
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2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, Automatic

$42,999 USD

PRICED TO MOVE! This 2018 Freightliner Cascadia is powered by a DD15 Engine and Paired with a DT12 Automatic Transmission, equipped with Hood Mirrors; Air Slide 5th Wheel; Heated Mirrors;...

Condition	Used
Usage	471,850 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	8680261
MLS Number	14062600
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Rockford, IL, US
Sold By	JX Truck Center

(844) 985-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, Automatic

$62,900 USD

455 HP DD15 Engine with a DT12 Automatic Transmission on this 2022 Freightliner Cascadia! Equipped with Virgin Tires; a Spacious 72in Double Bunk Sleeper with ladder; Remaining EW4 Warranty...

Condition	Used
Usage	474,667 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8680211
MLS Number	13998212
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center