Used 6x4 Sleeper Semi Trucks with Detroit Engines For Sale

(833) 801-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$15,000 USD

NICE TRUCK, RUNS AND DRIVES EXCELLENT, DUAL AIR RIDE SEATS, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH! *POSSIBLE FUEL SYSTEM ISSUE/ TRUCK...

Condition	Used
Usage	870,805 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	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	19DET870CAS
MLS Number	14250608
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 910-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Recently Updated

$50,950 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	483,626 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	3553
MLS Number	14234021
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 986-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$79,900 USD

380536 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheels: Aluminum, Wheel Base: 241, Tandem Rear Axles, Front...

Condition	Used
Usage	380,536 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 2.64 ratio
Stock Number	268250
MLS Number	14229867
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(833) 986-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$77,900 USD

343629 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 229, Tandem Rear Axles,...

Condition	Used
Usage	343,629 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"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	268333
MLS Number	14229866
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

(855) 717-___ SHOW
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2020 Freightliner Cascadia 116 Sleeper Semi Truck - 58" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$44,900 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, SUSP HGT NORMAL/LOWER, HSA OFF,...

Condition	Used
Usage	520,113 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	58"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	N15338-8 NEW TIRES
MLS Number	14129337
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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2020 Freightliner Cascadia 116 Sleeper Semi Truck - 58" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$42,900 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, SUSP HGT NORMAL/LOWER, HSA OFF,...

Condition	Used
Usage	568,122 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	58"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	N15336-8 NEW TIRES
MLS Number	14129326
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(833) 986-___ SHOW
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2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

Recently Updated

$79,900 USD

388265 Miles, Engine: DETROIT DD15, 455 HP, Fuel Type: Diesel, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Wheel Base: 223, Tandem Rear Axles,...

Condition	Used
Usage	388,265 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"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	267590
MLS Number	14124574
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Newly Listed

$50,200 USD

Condition	Used
Usage	519,995 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	53098
MLS Number	14250214
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	ATLANTA, GA, US
Sold By	Schneider

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

Newly Listed

$105,577.40 USD

678887 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	678,887 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	UW0288A
MLS Number	14248734
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP

Newly Listed

$107,033.64 USD

606570 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	606,570 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	UW0289A
MLS Number	14248733
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

(888) 227-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

Newly Listed

$91,015 USD

716819 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles, Front Axle Weight: 13200 lb, Rear Axle Weight: 40000 lb

Condition	Used
Usage	716,819 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.07 ratio
Stock Number	VB5626A
MLS Number	14248732
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Regina, SK, Canada
Sold By	Brandt

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

Recently Updated

$69,900 USD

LOW MILE 2021 Freightliner Cascadia! Only 281k Miles! 400hp DD15 Engine with a 10 Speed MANUAL Transmission. Large Deer Guard; Spacious 72in Double Bunk Sleeper with Refrigerator; TV and...

Condition	Used
Usage	281,406 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	8680375
MLS Number	14171485
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Wadsworth, IL, US
Sold By	JX Truck Center

(844) 687-___ SHOW
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2023 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Recently Updated

$104,950 USD

2023 Freightliner Cascadia 126 Sleeper – Detroit DD15 450 HP, DT12 Automatic, 76” Raised Roof Double Bunk, 191K Miles This 2023 Freightliner Cascadia 126 is a well-maintained, Class 8...

Condition	Used
Usage	191,443 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11105
MLS Number	14109181
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 216-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

Recently Updated

$29,900 USD

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

Condition	Used
Usage	705,217 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	KP8044
MLS Number	14080362
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, Automatic

Recently Updated

$42,999 USD

PRICED TO MOVE! This 2018 Freightliner Cascadia is powered by a DD15 Engine and Paired with a DT12 Automatic Transmission, equipped with Hood Mirrors; Air Slide 5th Wheel; Heated Mirrors;...

Condition	Used
Usage	471,850 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	8680261
MLS Number	14062600
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Rockford, IL, US
Sold By	JX Truck Center

(844) 687-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$114,950 USD

**For sale: Low-mileage DD15-powered Cascadia's, fully equipped with APU and loaded with warranty* Upgrade your fleet with the industry-leading 2024 Freightliner Cascadia 126 WITH ONLY 277,...

Condition	Used
Usage	6,060 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	WS10445
MLS Number	14053757
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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2024 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Recently Updated

$114,950 USD

**For sale: Low-mileage DD15-powered Cascadia's, fully equipped with APU and loaded with warranty* Upgrade your fleet with the industry-leading 2024 Freightliner Cascadia 126 WITH ONLY 277,...

Condition	Used
Usage	6,060 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	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	WS10445
MLS Number	14053756
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

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

Recently Updated

$62,900 USD

Remaining EW4 Warranty on Transmission until 7.22.26 or 750k Miles. 455 HP DD15 Engine with a DT12 Automatic Transmission on this 2022 Freightliner Cascadia! Equipped with Virgin Tires; APU;...

Condition	Used
Usage	502,960 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8680212
MLS Number	13998214
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Bolingbrook, IL, US
Sold By	JX Truck Center

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

Recently Updated

$62,900 USD

455 HP DD15 Engine with a DT12 Automatic Transmission on this 2022 Freightliner Cascadia! Equipped with Virgin Tires; a Spacious 72in Double Bunk Sleeper with ladder; Remaining EW4 Warranty...

Condition	Used
Usage	474,667 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8680211
MLS Number	13998212
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Indianapolis, IN, US
Sold By	JX Truck Center

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

Recently Updated

$64,900 USD

ONLY 463K Miles! Remaining EW4 Warranty on Engine until 9.21.26 or 500k Miles and Transmission Coverage up to 750k Miles or until 9.21.26. 455 HP DD15 Engine with a DT12 Automatic...

Condition	Used
Usage	463,974 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8680210
MLS Number	13998209
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

2022 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, Automatic

Recently Updated

$64,900 USD

REMAINING EW4 on Engine and Transmission until 10.22.26 or 500k miles on the engine or 750k Miles on the Transmission or 10.22.26. This 2022 Freightliner Cascadia has a STRONG 455 HP DD15...

Condition	Used
Usage	469,915 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	8680209
MLS Number	13998207
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Wyoming, MI, US
Sold By	JX Truck Center

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

Newly Listed

$77,700 USD

Condition	Used
Usage	476,006 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
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	32246
MLS Number	14248093
Category	Sleeper Semi Trucks
Last Updated	3/18/2026
Location	Portland, OR, US
Sold By	Schneider

2022 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic, Optimized Idle

Newly Listed

$56,000 USD

***Note; This unit does not have a passenger seat.***

Condition	Used
Usage	397,496 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13 GHG 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	53437
MLS Number	14248070
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Shrewsbury, MA, US
Sold By	Schneider

2022 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

Newly Listed

$58,700 USD

Condition	Used
Usage	437,885 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15GHG21
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	52949
MLS Number	14248066
Category	Sleeper Semi Trucks
Last Updated	3/17/2026
Location	Laredo, TX, US
Sold By	Schneider