Freightliner 6x4 Sleeper Semi Trucks For Sale

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Featured Item

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!,

Condition	Used
Usage	474,000 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
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 321-___ SHOW
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Featured Item

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,

Condition	Used
Usage	5,631 Hours
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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1718
MLS Number	14044092
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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Featured Item

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,

Condition	Used
Usage	5,326 Hours
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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1714
MLS Number	14044040
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(443) 453-___ SHOW
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Featured Item

2016 Freightliner Cascadia Sleeper Semi Truck

$18,000 USD

Been in business for 8 years had 7 trucks decided to get out of business and go back to school sold 6 this my last one left. Very good truck this was my truck that I drove made me lots of...

Condition	Used
Usage	785,284 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Automatic
MLS Number	14023426
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	gambrills, MD, US
Sold By	T.a.y LLc

(888) 853-___ SHOW
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Featured Item

2010 Freightliner Cascadia 125 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 13 Speed Manual

$18,900 USD

Detroit DD15 505 HP, Eaton Fuller RTLO-16913A Transmission, Meritor rears 3.58 ratio, air ride suspension, 244" wheel base, air slide 5th wheel, 11R22.5 tires on aluminum wheels, painted...

Condition	Used
Usage	760,451 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	952
MLS Number	14000089
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

(844) 940-___ SHOW
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Featured Item

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$34,999 USD

729000 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	729,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
MLS Number	13767221
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

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

Newly Listed

$73,995 USD

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

Condition	Used
Usage	434,000 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	3383
MLS Number	14083864
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

Newly Listed

$67,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 433,767 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	433,767 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	6811
MLS Number	14083862
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(833) 801-___ SHOW
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2015 Freightliner Cascadia 125 Sleeper Semi Truck - 73" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$13,000 USD

GOOD TRUCK, RUNS EXCELLENT, DOUBLE BUNK, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, AIR SEAT! *SALVAGE TITLE!,

Condition	Used
Usage	1,023,499 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	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	15DET102CAS
MLS Number	14083854
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

Recently Updated

$54,995 USD

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

Condition	Used
Usage	446,000 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	0805
MLS Number	14029253
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$56,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 492,695 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	492,695 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	0751
MLS Number	14029248
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

$72,995 USD

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

Condition	Used
Usage	387,000 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	7009
MLS Number	14029235
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

$71,995 USD

WALMART TRUCK! LOADED! 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 LOW ENGINE HOURS, DETROIT DT12 AUTOMATIC TRANSMISSION, 401,359 MILES, DIESEL APU, REFRIGERATOR, COLLISION MITIGATION...

Condition	Used
Usage	401,359 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	8203
MLS Number	13879849
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$51,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 547,318 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN...

Condition	Used
Usage	547,318 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 2.85 ratio
Stock Number	3635
MLS Number	13853339
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

Recently Updated

$52,995 USD

2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 539,015 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES,...

Condition	Used
Usage	539,015 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 2.85 ratio
Stock Number	P8724
MLS Number	13853337
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

$79,995 USD

DETROIT DD15 / AUTOMATIC TRANMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 357,184 MILES, FLEET...

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	1/11/2026
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

$75,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 359,000 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	359,000 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	6889
MLS Number	13773660
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$41,995 USD

DETROIT DD15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2019 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 671,073 MILES, FLEET...

Condition	Used
Usage	671,073 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	J0578
MLS Number	13770129
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

Recently Updated

$58,995 USD

DETROIT DD15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 473,442 MILES, FLEET...

Condition	Used
Usage	473,442 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	0881
MLS Number	13712053
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
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

$73,995 USD

DETROIT DD15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 370,584 MILES, FLEET...

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	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2016 Freightliner Coronado 122 SD Sleeper Semi Truck - Flat Top Sleeper, Detroit 455HP, 13 Speed Manual

Recently Updated

$35,995 USD

2016 FREIGHTLINER CORONADO 122 SD, DETROIT DD15, 455 HP, 13 SPEED MANUAL TRANSMISSION, 828,000 MILES, GOOD CONDITION TRUCK, CALI TRUCK NO RUST,

Condition	Used
Usage	828,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	7138
MLS Number	13633807
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2018 Freightliner Cascadia 126 Sleeper Semi Truck

Recently Updated

$39,995 USD

DETROIT DD15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2018 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 678,524 MILES, FLEET...

Condition	Used
Usage	678,524 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	0741
MLS Number	13612308
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Recently Updated

$62,995 USD

DETROIT DD15 / DETROIT DT12 AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2021 FREIGHTLINER CASCADIA, DETROIT DD15, 455 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 435,030...

Condition	Used
Usage	435,030 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	8162
MLS Number	13436982
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Cummins 450HP, Automatic

Recently Updated

$60,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / FINANCING AVAILABLE / FLEET MAINTAINED 2020 FREIGHTLINER CASCADIA 126, CUMMINS X15, AUTOMATIC TRANSMISSION, 456,698 MILES, FLEET MAINTAINED, READY...

Condition	Used
Usage	456,698 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	8998
MLS Number	13436927
Category	Sleeper Semi Trucks
Last Updated	1/11/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet