Used 6x4 Sleeper Semi Trucks with Detroit Engines For Sale

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

$34,500 USD

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

Condition	Used
Usage	672,120 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	KA5254
MLS Number	14080359
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

$36,600 USD

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

Condition	Used
Usage	643,615 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	KA5253
MLS Number	14080358
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

$36,000 USD

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

Condition	Used
Usage	650,536 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	KA5243
MLS Number	14080356
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit, 10 Speed Manual

$36,200 USD

ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM. BOSE SEAT, HALO TIRE INFLATION SYSTEM, DISC BRAKES

Condition	Used
Usage	564,260 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Rear Axle	Tandem Axle
Stock Number	JK2174
MLS Number	14080354
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 125 Sleeper Semi Truck - Detroit, 10 Speed Manual

$34,800 USD

ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM. BOSE SEAT, HALO TIRE INFLATION SYSTEM, DISC BRAKES

Condition	Used
Usage	593,503 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Rear Axle	Tandem Axle
Stock Number	JK2166
MLS Number	14080353
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 687-___ SHOW
NUMBERCall Seller

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$104,950 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	2/25/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$104,950 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	2/25/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(855) 717-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$41,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** 12 SPEED AUTOMATIC!!!! SLIDING 5TH WHEEL, AIR RIDE, DEF, APU!!! Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	609,690 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	57"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	L01590-DELIVERY 2 U
MLS Number	13964027
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

2022 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic, Battery Powered HVAC with Optimized Idle

$59,700 USD

Condition	Used
Usage	389,609 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	14001
MLS Number	14161362
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Charlotte, NC, US
Sold By	Schneider

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$39,000 USD

506,075 Miles, DD13 Detroit, 450 HP, 10 Speed Manual, 3.25 Ratio, 12k Fronts, 40k Rears, Aluminum Wheels, 72" Mid-Roof, Single Bunk, HydraChem PTO, Diff Lock, Jakes, Fleet Maintained, Very...

Condition	Used
Usage	506,075 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	KJ2906
MLS Number	13586483
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 981-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$46,900 USD

2021 Freightliner Cascadia 116 Sleeper **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin...

Condition	Used
Usage	303,357 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	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF111218 Web
MLS Number	14159849
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Cambridge, OH, US
Sold By	Nationwide Haul

(855) 981-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 116 Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$46,900 USD

2021 Freightliner Cascadia 116 Sleeper **New Virgin Dual Tires or Super Single tires available on all trucks Trucks are currently on wide base tires but can be swapped to new dual Virgin...

Condition	Used
Usage	303,357 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	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF111218
MLS Number	14159848
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Cambridge, OH, US
Sold By	Nationwide Haul

(833) 300-___ SHOW
NUMBERCall Seller

2024 Western Star 49X Sleeper Semi Truck - 64" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

Contact for price

427880 Miles, 6315 Hours, Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 64,...

Condition	Used
Usage	6,315 Hours
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	64"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	C-37490
MLS Number	14159829
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

2020 Freightliner Cascadia Sleeper Semi Truck - 72" Extra-Tall Roof, Detroit, Automatic - Manager's Special!

$49,900 USD

Condition	Used
Usage	376,648 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD13 EPA 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	12261
MLS Number	13984700
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Carlisle, PA, US
Sold By	Schneider

2023 Freightliner Cascadia - 72" Raised Roof w/ Lounge, Detroit, Automatic, TriPac & Battery Powered HVAC with Optimized Idle, Headache Rack

$89,200 USD

Condition	Used
Usage	386,402 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	2.28 ratio
Stock Number	75227
MLS Number	13695783
Category	Sleeper Semi Trucks
Last Updated	2/25/2026
Location	Gary, IN, US
Sold By	Schneider

(855) 910-___ SHOW
NUMBERCall Seller

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$70,000 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	498,738 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	3854
MLS Number	14140833
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 900-___ SHOW
NUMBERCall Seller

2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$44,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** 12 SPEED AUTOMATIC!!! SLIDING 5TH WHEEL, AIR RIDE, DEF, APU!!! Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	533,111 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	57"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	L01589-DELIVERY 2 U
MLS Number	13963969
Category	Sleeper Semi Trucks
Last Updated	2/24/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle - Manager's Special!

$86,900 USD

Condition	Used
Usage	347,292 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	30921
MLS Number	13980459
Category	Sleeper Semi Trucks
Last Updated	2/23/2026
Location	PHOENIX, AZ, US
Sold By	Schneider

2020 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic - Manager's Special!

$49,900 USD

Condition	Used
Usage	342,706 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	51168
MLS Number	13333300
Category	Sleeper Semi Trucks
Last Updated	2/23/2026
Location	Wilmer, TX, US
Sold By	Schneider

(855) 717-___ SHOW
NUMBERCall Seller

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

$56,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, AIR RIDE, AUTOMATIC, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:, “All...

Condition	Used
Usage	491,063 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	N15121-DELIVERY 2 U
MLS Number	13747992
Category	Sleeper Semi Trucks
Last Updated	2/27/2026
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(833) 478-___ SHOW
NUMBERCall Seller

2020 Western Star 5700XE Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$64,900 USD

Arriving soon! Well spec'd 5700XE setup for the open road. Updated pictures and videos coming soon! Call for more info

Condition	Used
Usage	314,075 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
Stock Number	tbdwest
MLS Number	14157390
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 538-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

Price Drop $59,900 USD

427136 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 72, Tires: new...

Condition	Used
Usage	427,136 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	3900
MLS Number	14078400
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 538-___ SHOW
NUMBERCall Seller

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 62" Mid Roof Sleeper, Detroit 505HP, 18 Speed Manual

Price Drop $63,900 USD

18 speed manual, DD15 505 HP,

Condition	Used
Usage	406,073 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.36 ratio
Stock Number	3902
MLS Number	14059476
Category	Sleeper Semi Trucks
Last Updated	2/21/2026
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(844) 422-___ SHOW
NUMBERCall Seller

2014 Freightliner Cascadia 125 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, Automatic

$17,500 USD

We have multiple trucks for sale! Call or message us to learn more! 2014 Freightliner Cascadia 125, DD15 Detroit 15L - 450 hp, Runs and drives good, Automatic trans, Sleeps 2, Good tires and...

Condition	Used
Usage	1,012,883 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	Allison HS Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	FU0351
MLS Number	14023663
Category	Sleeper Semi Trucks
Last Updated	2/27/2026
Location	Byron Center, MI, US
Sold By	Trailer Equipment Inc. & Trailer X-Press Inc.