Freightliner Automated 6x4 Sleeper Semi Trucks For Sale

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

Recently Updated

$66,000 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	484,630 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	3637
MLS Number	14537085
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$70,950 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	485,713 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	3762
MLS Number	14490486
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 321-___ SHOW
NUMBERCall Seller

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

Recently Updated

$89,900 USD

Manufacturer’s Engine Warranty: Balance of Detroit Diesel 7 Year/750,000 EW4 Coverage. In Service: 7/27/2022,

Condition	Used
Usage	17,283 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.16 ratio
Stock Number	1754
MLS Number	14516956
Category	Sleeper Semi Trucks
Last Updated	8/21/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 362-___ SHOW
NUMBERCall Seller

2016 Freightliner Cascadia 113 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 500HP, 10 Speed Amt

Recently Updated

$13,500 USD

500HP DETROIT,AUTOSHIFT TRANS,SUPER SINGLES

Condition	Used
Usage	860,580 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	GSGU6502
MLS Number	13448789
Category	Sleeper Semi Trucks
Last Updated	8/20/2026
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

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

Recently Updated

$56,300 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	8/18/2026
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

Recently Updated

$52,900 USD

Rep Photo, Several Available!, Full 128 Point Inspection, 567,215 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	567,215 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	LY5966
MLS Number	13916443
Category	Sleeper Semi Trucks
Last Updated	8/18/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 478-___ SHOW
NUMBERCall Seller

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

Contact for price

Multiples arriving daily. Well Spec'd 455HP Cascadia equipped with a DT12 and collisional mitigation. Call for more details

Condition	Used
Usage	499,929 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	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	7475
MLS Number	14541293
Category	Sleeper Semi Trucks
Last Updated	8/20/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

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

$59,950 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	8/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation 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	8/9/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(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!, 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	8/9/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 591-___ SHOW
NUMBERCall Seller

2024 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$82,900 USD

2024 Freightliner Cascadia 126 – 1 Owner, Fleet Maintained Cascadia!, Clean Mississippi truck with strong remaining factory warranty coverage and additional Freightliner warranty options...

Condition	Used
Usage	486,188 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	UT8726
MLS Number	14532024
Category	Sleeper Semi Trucks
Last Updated	8/9/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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	8/8/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

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

Condition	Used
Usage	480,785 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	3543
MLS Number	14527345
Category	Sleeper Semi Trucks
Last Updated	8/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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

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

Condition	Used
Usage	480,294 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	3524
MLS Number	14527342
Category	Sleeper Semi Trucks
Last Updated	8/12/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2022 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

Price Drop $38,200 USD

533,569 Miles, DD13 Detroit, 505 HP, DT12 Automatic, 3.08 Ratio, Long 228" WB, 12k Fronts, 40k Rears, Power Windows/Locks/Mirrors, Aluminum Wheels, Air Slide 5th Wheel, Sirius XM/Bluetooth,...

Condition	Used
Usage	533,569 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	MZ8680
MLS Number	14347154
Category	Sleeper Semi Trucks
Last Updated	8/8/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(866) 530-___ SHOW
NUMBERCall Seller

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

$89,995 USD

2022 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 367,377 MILES, FLEET MAINTAINED, READY TO WORK FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO...

Condition	Used
Usage	367,377 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	1990
MLS Number	14422079
Category	Sleeper Semi Trucks
Last Updated	7/31/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(833) 801-___ SHOW
NUMBERCall Seller

2015 Freightliner Cascadia 113 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$14,000 USD

runs great, air seats, double bunk, differential lock, dump valve, A/S 5th, tilt/tele, power windows, power mirrors, tilt/tele,,

Condition	Used
Usage	801,152 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
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 2.64 ratio
Stock Number	15DET801CAS
MLS Number	12439617
Category	Sleeper Semi Trucks
Last Updated	7/30/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

$54,500 USD

Several Available!, Full 128 Point Inspection, 546,304 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	546,304 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	LY5977
MLS Number	13916438
Category	Sleeper Semi Trucks
Last Updated	7/29/2026
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

$53,300 USD

Full 128 Point Inspection, 559,891 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet Maintained, Dual Air...

Condition	Used
Usage	560,394 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	LY5968
MLS Number	13916430
Category	Sleeper Semi Trucks
Last Updated	7/30/2026
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

$44,700 USD

Several Available!, Full 128 Point Inspection, 663,776 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	663,776 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	LY5973
MLS Number	13916428
Category	Sleeper Semi Trucks
Last Updated	7/29/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 725-___ SHOW
NUMBERCall Seller

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

(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

(844) 748-___ SHOW
NUMBERCall Seller

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Contact for price

542097 Miles, 15266 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper...

Condition	Used
Usage	15,266 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LH4050
MLS Number	14229146
Category	Sleeper Semi Trucks
Last Updated	5/12/2026
Location	Caledonia, WI, US
Sold By	TFS Recovery, Inc.

(833) 801-___ SHOW
NUMBERCall Seller

2009 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 455HP, 10 Speed Ultrashift Amt

$12,000 USD

GOOD RUNNING TRUCK! power windows, power mirrors, heated mirrors, differential lock, dump valve, A/S 5th, cruise control, air seat!,

Condition	Used
Usage	1,057,101 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	09DET105CAS
MLS Number	13282843
Category	Sleeper Semi Trucks
Last Updated	4/15/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales