Used 6x4 Sleeper Semi Trucks with Detroit Engines For Sale

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

Recently Updated

$87,900 USD

WARRANTY COVERAGES: ENGINE MAJOR COMPONENTS PARTS ONLY 5Y/500K ML, EXTENDED DETROIT EW4 ENGINE COVERAGE 4Y/500K ML, BASIC TRANSMISSION COVERAGE 5Y/750K ML. IN SERVICE DATE: 7/8/2022, ENG...

Condition	Used
Usage	10,277 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	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	1732
MLS Number	14271503
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 321-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

Recently Updated

$89,900 USD

WARRANTY COVERAGES: ENGINE MAJOR COMPONENTS PARTS ONLY 5Y/500K ML, EXTENDED DETROIT EW4 ENGINE COVERAGE 4Y/500K ML, BASIC TRANSMISSION COVERAGE 5Y/750K ML. IN SERVICE DATE: 9/29/2022, Eng...

Condition	Used
Usage	13,073 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	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	1731
MLS Number	14271500
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(855) 910-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$55,950 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	483,656 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	3674
MLS Number	14246417
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 624-___ SHOW
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2022 Freightliner Cascadia 116 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 450HP, 12 Speed Autoshift Automatic

Price Drop $52,950 USD

For Sale: 2022 FREIGHTLINER CASCADIA 116 Sleeper This truck comes equipped with a 450 HP Detroit DD13 12.8l Diesel engine. Engine brake, and a single horizontal exhaust. Automatic Detroit...

Condition	Used
Usage	9,794 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Autoshift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	MO11195
MLS Number	14172286
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(833) 478-___ SHOW
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2020 Western Star 5700XE Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$64,900 USD

Well spec'd 5700XE setup for the open road. 505HP DD15 and well appointed inside. Deep rubber!,

Condition	Used
Usage	314,075 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	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	7210
MLS Number	14157390
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(855) 910-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$64,950 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	486,164 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	3784
MLS Number	14101544
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Newly Listed

$83,700 USD

Condition	Used
Usage	407,476 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	32589
MLS Number	14295525
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	Wilmer, TX, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$54,500 USD

Condition	Used
Usage	353,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20460
MLS Number	14295475
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(833) 538-___ SHOW
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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - Detroit 455HP

Recently Updated

$27,000 USD

New Cylinder head and engine harness. I have the receipts for all that along with radiator and clutch,

Condition	Used
Usage	1,000,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Rear Axle	Tandem Axle
Stock Number	3098
MLS Number	13742148
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(855) 725-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$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	4/9/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$47,500 USD

Condition	Used
Usage	433,090 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20715
MLS Number	14294447
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Carlisle, PA, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

Newly Listed

$54,500 USD

Condition	Used
Usage	377,158 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20755
MLS Number	14294442
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Carlisle, PA, US
Sold By	Schneider

(866) 530-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$63,995 USD

2021 FREIGHTLINER CASCADIA 126, DETROIT DD15 ENGINE, DETROIT DT12 AUTOMATIC TRANSMISSION, 441,830 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	441,830 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	7493
MLS Number	14294354
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
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 505HP

Recently Updated

$79,900 USD

315993 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 229, Tandem Rear Axles, Front Axle Weight: 13220...

Condition	Used
Usage	315,993 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	268330
MLS Number	14268958
Category	Sleeper Semi Trucks
Last Updated	4/8/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(866) 530-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$64,995 USD

2021 FREIGHTLINER CASCADIA 126, WALMART SPECS, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 485,974 MILES, DIESEL APU, FLEET MAINTAINED, LOADED TRUCKS MULTIPLE WALMART UNITS...

Condition	Used
Usage	485,974 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	2068
MLS Number	14294190
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

Recently Updated

$83,700 USD

Condition	Used
Usage	405,307 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	30705
MLS Number	13476697
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Indianapolis, IN, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Recently Updated

$58,200 USD

Condition	Used
Usage	378,733 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	13649
MLS Number	14169477
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	West Memphis, AR, US
Sold By	Schneider

(855) 591-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

Price Drop $69,900 USD

2023 Freightliner Cascadia 126 – 1 Owner, Fleet Maintained Cascadia 126!, This is one CLEAN TRUCK! , 455 HP Detroit DD15 engine, , 10-speed Eaton Fuller transmission, , Condo sleeper, , ...

Condition	Used
Usage	361,281 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	NB5729
MLS Number	13961666
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 435-___ SHOW
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2020 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic

Recently Updated

$49,900 USD

505HP DD15 Engine with 46,000 rears,

Condition	Used
Usage	422,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	334995
MLS Number	13129777
Category	Sleeper Semi Trucks
Last Updated	4/7/2026
Location	Barrington, NH, US
Sold By	Allegiance Trucks

2023 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle - Manager's Special!

Recently Updated

$73,900 USD

Condition	Used
Usage	399,040 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	54550
MLS Number	13019987
Category	Sleeper Semi Trucks
Last Updated	4/6/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

(707) 849-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Newly Listed

$85,000 USD

2023 Freightliner Cascadia 126 – DD15 505HP – DT12 Auto – Low Miles, Clean, heavy-spec Cascadia 126 ready to go to work. This is a strong spec truck with big horsepower and the right...

Condition	Used
Usage	110,238 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
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14287838
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

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

Newly Listed

$46,950 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	486,348 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	3539
MLS Number	14287357
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 591-___ SHOW
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2019 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Mid Roof Sleeper, Detroit 455HP, 13 Speed Manual

Newly Listed

$54,900 USD

2019 Freightliner Cascadia 125 – 1 Owner, Fleet Maintained Cascadia!, Very clean, low-mile unit—hard to find spec! , 455 HP Detroit DD15 engine, , 13-speed Eaton Fuller manual transmission,...

Condition	Used
Usage	273,186 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	13 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	KT5187
MLS Number	14287352
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(833) 932-___ SHOW
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2024 Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

Newly Listed

$164,500 USD

EW4 and Wiring Coverage until 12/28,

Condition	Used
Usage	155,658 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	83819
MLS Number	14287292
Category	Sleeper Semi Trucks
Last Updated	4/4/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine