Freightliner 12 Speed Cascadia 126 Sleeper Semi Trucks with Detroit Engines For Sale

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$56,900 USD

574k Miles, DD15 Detroit Reman Engine, 400 HP (upgradeable to 505), DT12 Automated, Fleet Maintained, Double Bunk Condo, Fridge, Collision Mitigation System, 225" WB, 2.85 Ratio, 12,500...

Condition	Used
Usage	574,428 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MA9747
MLS Number	13463917
Category	Sleeper Semi Trucks
Last Updated	7/23/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 624-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

$79,950 USD

1-YEAR FREIGHTLINER ENGINE AFTERTREATMENT WARRANTY | 475 HP DETROIT DD15 | DT12 AUTOMATIC | 72" DOUBLE BUNK | 3.08 RATIO Drive with confidence knowing this 2023 Freightliner Cascadia 126...

Condition	Used
Usage	472,921 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 3.08 ratio
Stock Number	CO11784
MLS Number	14499126
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

$79,950 USD

1-YEAR FREIGHTLINER ENGINE AFTERTREATMENT WARRANTY | 475 HP DETROIT DD15 | DT12 AUTOMATIC | 72" DOUBLE BUNK | 3.08 RATIO Drive with confidence knowing this 2023 Freightliner Cascadia 126...

Condition	Used
Usage	14,453 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 3.08 ratio
Stock Number	CO11784
MLS Number	14499125
Category	Sleeper Semi Trucks
Last Updated	7/24/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 321-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 470HP, 12 Speed Dt12 Automatic

$72,900 USD

Manufacturer’s Engine Warranty: Balance of Detroit Diesel 6 Year/600,000 EW4 Coverage. In Service: 1/3/2021,

Condition	Used
Usage	9,329 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 HP
Engine Model	Detroit DD13
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 2.79 ratio
Stock Number	1751
MLS Number	14453163
Category	Sleeper Semi Trucks
Last Updated	7/22/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

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

$49,900 USD

Several Available!, 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, Fleet...

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	7/21/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$48,000 USD

Several Available!, Fresh DOT, Full 128 Point Inspection, 565,419 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	565,419 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	LY5958
MLS Number	13916440
Category	Sleeper Semi Trucks
Last Updated	7/26/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$48,900 USD

Several Available!, Full 128 Point Inspection, 565,888 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	565,888 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	LY5965
MLS Number	13916425
Category	Sleeper Semi Trucks
Last Updated	7/26/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 591-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$72,900 USD

2023 Freightliner Cascadia 126 – 1 Owner, Fleet Maintained Cascadia 126!, Sharp, well-maintained Cascadia with strong factory coverage still in place and extended warranty options available!...

Condition	Used
Usage	485,736 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	2.85 ratio
Stock Number	NT6571
MLS Number	14490483
Category	Sleeper Semi Trucks
Last Updated	7/17/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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

$92,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM,

Condition	Used
Usage	338,180 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	14388374
Category	Sleeper Semi Trucks
Last Updated	7/17/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

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

$76,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM,

Condition	Used
Usage	419,414 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	14284382
Category	Sleeper Semi Trucks
Last Updated	7/17/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

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

$76,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM,

Condition	Used
Usage	428,610 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13969258
Category	Sleeper Semi Trucks
Last Updated	7/15/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

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

$71,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM,

Condition	Used
Usage	424,619 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13955613
Category	Sleeper Semi Trucks
Last Updated	7/17/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

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

$75,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,

Condition	Used
Usage	424,790 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13955481
Category	Sleeper Semi Trucks
Last Updated	7/15/2026
Location	Selma, CA, US
Sold By	Selma Truck Sales

(855) 591-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$72,900 USD

2023 Freightliner Cascadia 126 – 1 Owner, Fleet Maintained Cascadia 126!, Clean, well-equipped Cascadia with remaining factory warranty coverage and additional extended warranty options...

Condition	Used
Usage	491,809 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	2.85 ratio
Stock Number	MV1272
MLS Number	14481617
Category	Sleeper Semi Trucks
Last Updated	7/14/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(866) 530-___ SHOW
NUMBERCall Seller

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 350HP, 12 Speed Dt12 Automatic

$96,995 USD

2025 FREIGHTLINER CASCADIA 126, DETROIT ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 434,014 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	434,014 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1930
MLS Number	14386362
Category	Sleeper Semi Trucks
Last Updated	7/14/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$69,900 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its strong Detroit diesel powertrain aerodynamic design and driver‑focused...

Condition	Used
Usage	443,772 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	#2628
MLS Number	14244609
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$74,500 USD

The 2022 Freightliner Cascadia 126 is a Class 8 heavy‑duty highway tractor known for combining powerful Detroit diesel performance aerodynamic efficiency and driver comfort, making it a...

Condition	Used
Usage	441,755 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	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2599
MLS Number	14244605
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$69,900 USD

The 2022 Freightliner Cascadia 126 is a popular Class 8 highway tractor in the used truck market, prized for its powerful Detroit diesel engine options, aerodynamic efficiency, and modern...

Condition	Used
Usage	512,652 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
Stock Number	2626
MLS Number	13703252
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(844) 985-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 80" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$66,900 USD

2024 Freightliner Cascadia Priced to Move! This 2024 unit is Powered by a 455hp DD15 Engine and Paired with a 12 Speed Automatic DT12 Transmission! Spacious Double Bunk Sleeper with Rear...

Condition	Used
Usage	510,021 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	8680585
MLS Number	14474750
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

(844) 985-___ SHOW
NUMBERCall Seller

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 80" Raised Roof Sleeper, Detroit 455HP, 12 Speed Automatic

$68,900 USD

PRICED TO MOVE! 2024 Freightliner Cascadia with a DD15 Engine and an Automatic DT12 Automatic Transmission! Air Slide 5th Wheel; Hood Mirrors; Spacious Double Bunk Sleeper with Rear Climate...

Condition	Used
Usage	522,083 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	8680583
MLS Number	14474747
Category	Sleeper Semi Trucks
Last Updated	7/9/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

(855) 910-___ SHOW
NUMBERCall Seller

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

$55,950 USD

N.A.P. New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Alum Wheels, Well Maintained Fleet Truck, Oil...

Condition	Used
Usage	486,635 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	3579
MLS Number	14468753
Category	Sleeper Semi Trucks
Last Updated	7/11/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 932-___ SHOW
NUMBERCall Seller

2027 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Contact for price

This Freightliner Cascadia sleeper truck is equipped with a Detroit DD15 engine paired with a DT12 automated transmission. Featuring a 72" raised roof sleeper, 40,000 lb rear axles with air...

Condition	New
Usage	2,894 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 2.85 ratio
Stock Number	41587
MLS Number	14468726
Category	Sleeper Semi Trucks
Last Updated	7/14/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine

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

$69,000 USD

The 2022 Freightliner Cascadia 126 is a Class 8 highway tractor that stands out in the used truck market for its refined efficiency, advanced technology and driver focused comfort, making it...

Condition	Used
Usage	11,751 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	2599
MLS Number	13720478
Category	Sleeper Semi Trucks
Last Updated	6/30/2026
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(844) 321-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$76,900 USD

Manufacturer’s Engine Warranty: Balance of Detroit Diesel 5 Year/500,000 EW4 Coverage, In Service: 12/3/2021,

Condition	Used
Usage	13,638 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 2.15 ratio
Stock Number	1743
MLS Number	14440071
Category	Sleeper Semi Trucks
Last Updated	6/27/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales