Freightliner 12 Speed Tandem Axle 6x4 Sleeper Semi Trucks For Sale

(833) 490-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper, New Drive Tires, FACTORY WARRANTY REMAINING , Cummins X15 Engine , 500HP !!! Fridge , Apu , Financing

$62,950 USD

For sale: a powerhouse 2023 Freightliner Cascadia with just 488,000 well-maintained miles, ready to tackle your heaviest hauls! Powered by the legendary Cummins X15 500HP engine paired with...

Warranty

Condition	Used
Usage	488,847 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	UUG1661
MLS Number	13999600
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

Tri State Truck Center - Springfield, MO

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

Newly Listed

$57,995 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	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Newly Listed

$39,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 704,148 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	704,148 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	9648
MLS Number	14142907
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(855) 591-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

Newly Listed

$36,900 USD

2019 Freightliner Cascadia 126 – Fleet Maintained New Body Style Cascadia!, Clean, well-equipped, and ready for the road! , 455 HP Detroit DD15 engine, , Detroit DT12 automatic transmission,...

Condition	Used
Usage	625,672 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 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
Stock Number	KP2085
MLS Number	14142804
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

Price Drop $57,500 USD

2022 Freightliner Cascadia 116 Mid Roof Sleeper New Wheels and Tires 404k Miles, DD13 Engine, 470HP, DT12 Transmission, 52500lb GVW, 218" Wheelbase, 3.08 Rear Axle Ratio Ready to work,

Condition	Used
Usage	404,244 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	14096673
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

Price Drop $57,500 USD

2022 Freightliner Cascadia 116 Mid Roof Sleeper New Wheels and Tires 420k Miles, DD13 Engine, 470HP, DT12 Transmission, 52500lb GVW, 206" Wheel Base, 3.08 Ratio Excellent Shape ready to...

Condition	Used
Usage	420,622 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
MLS Number	14096649
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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

Recently Updated

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

Condition	Used
Usage	566,000 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	KP8069
MLS Number	14080360
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 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

Condition	Used
Usage	650,536 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	KA5243
MLS Number	14080356
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(707) 849-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Amt

Price Drop $62,500 USD

2022 Freightliner Cascadia 116 Mid roof sleeper 394k miles, Dd13, 470hp, Dt12 transmission Brand new drive tires Well maintained ready to work,

Condition	Used
Usage	394,765 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14028828
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(844) 900-___ SHOW
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2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$58,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** 12 SPEED AUTOMATIC!!! SLIDING 5TH WHEEL, AIR RIDE, DEF, ENGINE BRAKE, INTR AXLE UNLOCK/ LOCK, AIR SLIDE LOCK/ SLIDE, SUSP HGT...

Condition	Used
Usage	474,880 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	57"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	L01591-DELIVERY 2 U
MLS Number	13969019
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

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

Recently Updated

$76,995 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	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$46,500 USD

517,147 Miles, Detroit DD15, 505 HP, Jakes, DT12 Automated, 72" Mid-Roof XT Sleeper, Single Bunk, TriPAC APU, Super Singles w/Good Tread, 40k Rears, 3.08 Ratio, Air Ride, Bunk Heater,...

Condition	Used
Usage	517,147 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	LJ3612
MLS Number	13712681
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Recently Updated

$69,995 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	2/13/2026
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

Recently Updated

$70,995 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	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$70,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 376,534 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN...

Condition	Used
Usage	376,534 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
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	4979
MLS Number	13437037
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$71,995 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	2/13/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(855) 910-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$70,000 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Sliding 5th Wheel, Automatic Transmission, Espar Bunk Heater, 1500-Watt invertor, Refrigerator, TV Mounting Bracket, Opti Idle, Detroit...

Condition	Used
Usage	498,738 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3854
MLS Number	14140833
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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

Newly Listed

$55,300 USD

17 Matched Units Available!, 500k - 573k Miles, $49,500 - $57,600, Over 100 Cascadia Sleepers In Stock; 2018 Newer!, Fresh DOT, Full 128 Point Inspection, DD15 Detroit, 455 HP, DT12 HD...

Condition	Used
Usage	514,000 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	CASCADIA-GROUP
MLS Number	14140340
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 910-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$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...

Condition	Used
Usage	485,724 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3523
MLS Number	14124214
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 910-___ SHOW
NUMBERCall Seller

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

Recently Updated

$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...

Condition	Used
Usage	483,746 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3546
MLS Number	14107223
Category	Sleeper Semi Trucks
Last Updated	2/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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

Condition	Used
Usage	705,687 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	KP8086
MLS Number	14080368
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Condition	Used
Usage	658,413 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	KP8083
MLS Number	14080367
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Condition	Used
Usage	654,064 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	KP8071
MLS Number	14080366
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Recently Updated

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

Condition	Used
Usage	675,499 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	KP8055
MLS Number	14080365
Category	Sleeper Semi Trucks
Last Updated	2/13/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC