6x4 Sleeper Semi Trucks with 500-549 HP Detroit Engines For Sale

25 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP, Automatic

$50,900 USD

Fleet Maintained, Detroit DD15, 505 HP (upgraded to 505hp), DT 12 Automatic, 2.16 Ratio, 223" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors, Working A/C Heat, Clean vehicle...

Condition	Used
Usage	490,212 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Rear Axle	Tandem Axle
Stock Number	LJ6828
MLS Number	13027780
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

22 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP, Automatic

Price Drop

$41,000 USD

Fleet Maintained, Stock LM8965, Miles 564,478, Detroit DD15, 505 HP (upgraded to 505hp), DT 12 Automatic, 2.16 Ratio, 223" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors,...

Condition	Used
Usage	564,478 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Rear Axle	Tandem Axle
Stock Number	LM8965
MLS Number	13020817
Category	Sleeper Semi Trucks
Last Updated	10/4/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

39 0

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Automatic

Price Drop

$155,998 USD

See our New 2025 Freightliner Cascadia 126 sleeper for sale at Freightliner of Miami in Hialeah Gardens, Florida! This truck was built with you in mind with a white exterior, Black Laredo...

Condition	New
Usage	1,568 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	SSVX1140
MLS Number	12991524
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

38 0

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

Price Drop

$155,998 USD

See our New 2025 Freightliner Cascadia 126 sleeper for sale at Freightliner of Miami in Hialeah Gardens, Florida! This truck was built with you in mind with a white exterior, Black Laredo...

Condition	New
Usage	1,529 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	SSVX1138
MLS Number	12981444
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

20 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 400HP, Automatic

$45,500 USD

Fleet Maintained, Stock LJ6825, Miles 530,915, Detroit DD15, 505 HP (upgraded to 500hp) DT 12 Automatic, 2.16 Ratio, 223" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors, Working...

Condition	Used
Usage	530,915 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Automatic
Rear Axle	Tandem Axle
Stock Number	LJ6825
MLS Number	12976025
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 300-___ SHOW
NUMBERCall Seller

17 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$52,300 USD

Selling a 2019 Freightliner Cascadia with 262,468 miles on it. This truck has a 505 HP Detroit DD15, Detroit DT12 transmission, 12,350 lb steer axle, and 40,000 lb drive axles with 2.28...

Condition	Used
Usage	262,468 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
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	73685
MLS Number	12941286
Category	Sleeper Semi Trucks
Last Updated	8/17/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 931-___ SHOW
NUMBERCall Seller

15 0

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

$183,900 USD

Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, Drive: 6x4, AirLiner Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Tires: 295/75R22.5, Wheels: Aluminum, Wheel Base: 229,...

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	6FLVK7162
MLS Number	12902972
Category	Sleeper Semi Trucks
Last Updated	7/23/2024
Location	Superior, WI, US
Sold By	Boyer Trucks

35 0

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

Price Drop

$155,998 USD

See our New 2025 Freightliner Cascadia 126 sleeper for sale at Freightliner of Miami in Hialeah Gardens, Florida! This truck was built with you in mind with a white exterior, Black Laredo...

Condition	New
Usage	1,868 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	SSVX1142
MLS Number	12901901
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

(844) 241-___ SHOW
NUMBERCall Seller

41 0

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, Other

$159,995 USD

See our New 2025 Freightliner Cascadia 126 sleeper for sale at Freightliner of Broward in Pompano Beach, Florida! This truck was built with you in mind with a white exterior, Black Laredo...

Condition	New
Usage	1,876 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	SSVX7627
MLS Number	12875788
Category	Sleeper Semi Trucks
Last Updated	9/12/2024
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

36 0

2025 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 505HP, Manual

Price Drop

$155,998 USD

See our New 2025 Freightliner Cascadia 126 sleeper for sale at Freightliner of Miami in Hialeah Gardens, Florida! This truck was built with you in mind with a white exterior, Black Laredo...

Condition	New
Usage	1,779 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Manual
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	SSVX1141
MLS Number	12868858
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

44 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$140,000 USD

140785 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, Overdrive, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72...

Condition	Used
Usage	140,785 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
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	NW3766
MLS Number	12843653
Category	Sleeper Semi Trucks
Last Updated	7/31/2024
Location	Lancaster, CA, US
Sold By	TFS Recovery, Inc.

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 78" Raised Roof Sleeper, Detroit 505HP, 12 Speed Endurant Amt

$49,900 USD

Needs drive tires. D/S Fairings are damaged

Condition	Used
Usage	731,670 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LL5136
MLS Number	12838974
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

75 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$94,900 USD

171135 Miles, 7123 Hours, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x4, Overdrive, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	7,123 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MY9708
MLS Number	12814631
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

19 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

Call for price

Inoperable,

Condition	Used
Usage	56,195 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MY9709
MLS Number	12812403
Category	Sleeper Semi Trucks
Last Updated	7/31/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

32 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

$47,900 USD

471687 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Tires: 22.5,...

Condition	Used
Usage	471,687 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	KJ8104
MLS Number	12810446
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

17 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

Call for price

312617 Miles, 8231 Hours, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76,...

Condition	Used
Usage	8,231 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	NB4788
MLS Number	12810420
Category	Sleeper Semi Trucks
Last Updated	7/31/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

29 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 78" Raised Roof Sleeper, Detroit 505HP, 12 Speed Amt

$52,900 USD

464872 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 78, Tires: 22.5,...

Condition	Used
Usage	464,872 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LM0468
MLS Number	12810369
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Elgin, IL, US
Sold By	TFS Recovery, Inc.

44 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck

Price Drop

$23,991 USD

====== See our Used 2018 Freightliner Cascadia 126 sleeper for sale at Freightliner of Miami in Hialeah Gardens, Florida! Our 5K Your Way program allows the purchaser to apply $5000 toward...

Condition	Used
Usage	814,926 Miles
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	JSJU2078
MLS Number	12765245
Category	Sleeper Semi Trucks
Last Updated	10/2/2024
Location	Hialeah Gardens, FL, US
Sold By	Freightliner of Miami

(888) 680-___ SHOW
NUMBERCall Seller

27 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Amt

$59,900 USD

2020 FREIGHTLINE CASCADIA CA126 MRXT! THIS IS AN EXTRA CLEAN TRUCK. WARRANTY AVAILABLE. DETROIT DD15 ENGINE AT 505@1625 RPM, COMPRESSION BRAKE, DETROIT DT12 AUTO 12 SPEED TRANSMISSION. 72'...

Condition	Used
Usage	20,503 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LLLT1933/chesa
MLS Number	12750116
Category	Sleeper Semi Trucks
Last Updated	5/10/2024
Location	Chesapeake, VA, US
Sold By	Truck Enterprises Inc.

(855) 807-___ SHOW
NUMBERCall Seller

49 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

Price Drop

$47,777 USD

2021 CLEAN Fleet Maintained Truck Excellent condition!!, Brush guard, Virgin Rubber, Fridge Quarter Fenders, Collision Mitigation System! Great paint, Clean interior, Great Rubber, Cold AC...

Condition	Used
Usage	514,664 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	6724
MLS Number	12744045
Category	Sleeper Semi Trucks
Last Updated	10/1/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

25 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, Automatic

$34,900 USD

Fleet Maintained, Fresh DOT, Stock LP7109, Miles 695,935, Detroit DD15, 505 HP, DT 12 Automatic, Refrigerator, 2.85 Ratio, 225" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors,...

Condition	Used
Usage	695,961 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	LP7109
MLS Number	12614199
Category	Sleeper Semi Trucks
Last Updated	9/3/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 711-___ SHOW
NUMBERCall Seller

20 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, Automatic

$75,950 USD

431194 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Wheels: All Aluminum, Tandem Rear Axles

Condition	Used
Usage	431,194 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	U-6367
MLS Number	12447847
Category	Sleeper Semi Trucks
Last Updated	3/11/2024
Location	Alsip, IL, US
Sold By	Impel Union Inc.