12 Speed Sleeper Semi Trucks with 450-499 HP Detroit Engines For Sale

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$54,900 USD

2021 FREIGHTLINER CASCADIA 126 SLEEPER, DETROIT DD15 455HP, DETROIT DT12 12 SPEED AUTOMATIC, DOULBE BUNK, BUNK HEATER, Ready to work Call for more info,

Condition	Used
Usage	569,983 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	2166
MLS Number	12931980
Category	Sleeper Semi Trucks
Last Updated	6/13/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

(844) 912-___ SHOW
NUMBERCall Seller

25 1

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic

$102,900 USD

10 NEW TIRES *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!! SLIDING 5TH WHEEL, TRAILER BRAKE, SIDE AND FULL FAIRINGS, LIQUID DEF Se Habla Espanol! NO CREDIT?...

Condition	Used
Usage	335,152 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	H01298-10 NEW TIRES
MLS Number	12928882
Category	Sleeper Semi Trucks
Last Updated	7/24/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

28 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$84,900 USD

2019 FREIGHTLINER CASCADIA 126 SLEEPER, *ONLY 277,051 MILES*, DETROIT DD15 455HP, DETROIT DT12 12 SPEED AUTOMATIC, DOUBLE BUNK, BUNK HEATER, Ready to work Call for more info,

Condition	Used
Usage	277,051 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2165
MLS Number	12921753
Category	Sleeper Semi Trucks
Last Updated	6/19/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$64,900 USD

2019 FREIGHTLINER CASCADIA 126 SLEEPER, DETROIT DD15 455HP, DETROIT DT12 12 SPEED AUTOMATIC, DOUBLE BUNK, BUNK HEATER, Ready to work Call for more info,

Condition	Used
Usage	396,535 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2164
MLS Number	12921749
Category	Sleeper Semi Trucks
Last Updated	6/19/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

18 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$54,900 USD

2020 FREIGHTLINER CASCADIA 126 SLEEPER, DETROIT DD15 455HP, DETROIT DT12 12 SPEED AUTOMATIC, *APU*, DOUBLE BUNK, Ready to work Call for more info,

Condition	Used
Usage	512,227 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2160
MLS Number	12921731
Category	Sleeper Semi Trucks
Last Updated	7/26/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

(833) 985-___ SHOW
NUMBERCall Seller

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2020 Freightliner Cascadia 126 Sleeper Semi Truck

$59,995 USD

Call for rental/lease prices

Fresh inventory 2020 Freightliner Cascadia 126 DD-15 455 Dt12 Automatic Double bunk Fridge inverter Ice cold A/C Ready to work ***Financing Available***

Condition	Used
Usage	427,000 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 Condo
Sleeper Size	72"
Stock Number	lp9520
MLS Number	12918806
Category	Sleeper Semi Trucks
Last Updated	7/10/2024
Location	Dupo, IL, US
Sold By	Genesis Equipment Leasing

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

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$59,900 USD

2019 FREIGHTLINER CASCADIA 126, MILES 456,336, ENGINE DD15, DT12 TRANS, 455HP, WORK STATION, DOUBLE BUNK, BUNK HEATER Call for more info,

Condition	Used
Usage	456,336 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2155
MLS Number	12906582
Category	Sleeper Semi Trucks
Last Updated	7/26/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

(833) 970-___ SHOW
NUMBERCall Seller

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

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Amt

$69,900 USD

I have (3) Matching Units, They are DOT'D and ready to work, Remaining EW4 Warranty on 2 of them. Units had HP turned up to 475!!, Very Clean units

Condition	Used
Usage	362,774 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 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 2.28 ratio
Stock Number	272851
MLS Number	12892258
Category	Sleeper Semi Trucks
Last Updated	6/28/2024
Location	Smithfield, PA, US
Sold By	Hunter Truck

(844) 912-___ SHOW
NUMBERCall Seller

27 1

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

$41,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, TRAILER BRAKE, ENGINE BRAKE, DEF, FULL FAIRINGS, AUTOMATIC, SLIDING 5TH WHEEL Se Habla Espanol! NO CREDIT? BAD CREDIT? NO...

Condition	Used
Usage	613,011 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
Stock Number	F01982-DELIVERY 2 U
MLS Number	12874154
Category	Sleeper Semi Trucks
Last Updated	6/22/2024
Location	Fort Worth, TX, US
Sold By	Diamond Truck Sales Inc

(844) 693-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$41,900 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	559,808 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
Stock Number	171
MLS Number	12873957
Category	Sleeper Semi Trucks
Last Updated	5/16/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$28,000 USD

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

Condition	Used
Usage	812,749 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"
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	12862766
Category	Sleeper Semi Trucks
Last Updated	5/11/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2021 Freightliner Cascadia 126 Sleeper Semi Truck - 71" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$54,900 USD

2021 FREIGHTLINER CASCADIA 126, MILES 564852, DD15, 455HP, DT12 TRANS Call for more info,

Condition	Used
Usage	564,852 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2153
MLS Number	12861173
Category	Sleeper Semi Trucks
Last Updated	6/1/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

(855) 717-___ SHOW
NUMBERCall Seller

22 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

$39,900 USD

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

Condition	Used
Usage	664,867 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 3.08 ratio
Stock Number	N14367-DELIVERY 2 U
MLS Number	12838888
Category	Sleeper Semi Trucks
Last Updated	7/23/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(844) 900-___ SHOW
NUMBERCall Seller

44 1

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$37,900 USD

*** ASK FOR LOW-COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 12 SPEED!!! DEF, ENGINE BRAKE, 5TH WHEEL, SLEEPER WINDOW, HEATED MIRRORS, ATC SPIN, OVER RIDE ENG SHDN, HSA OFF, INTR...

Condition	Used
Usage	669,328 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 2.47 ratio
Stock Number	B02781-DELIVERY 2 U
MLS Number	12816869
Category	Sleeper Semi Trucks
Last Updated	7/25/2024
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(844) 693-___ SHOW
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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$41,900 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	546,359 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
Stock Number	169
MLS Number	12803819
Category	Sleeper Semi Trucks
Last Updated	6/27/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

12 0

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

$39,900 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	583,728 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
Stock Number	167
MLS Number	12803725
Category	Sleeper Semi Trucks
Last Updated	6/27/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

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

$69,900 USD

SEVERAL TO CHOOSE FROM, FLEET MAINTAINED 2020 FREIGHTLINER CASCADIA 126, MID-ROOF SLEEPER, FACTORY WARRANTY REMAINING, VA STATE INSPECTION, DOT INSPECTION, DD15 455HP DETROIT MOTOR, DT12...

Condition	Used
Usage	408,573 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LLLT1933U/MANA
MLS Number	12758052
Category	Sleeper Semi Trucks
Last Updated	5/29/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

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

$79,900 USD

2020 FREIGHTLINER CASCADIA 126 SLEEPER, ONLY 394,720 MILES, MID-ROOF, DD15 DETROIT MOTOR, DT12 AUTOMATIC TRANSMISSION, BALANCE OF FACTORY WARRANTY REMAINING, FINANCING AND ADDITIONAL...

Condition	Used
Usage	394,720 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LLLT1922U/MANA
MLS Number	12758045
Category	Sleeper Semi Trucks
Last Updated	5/29/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

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2020 PRICE REDUCED! 3 MATCHED UNITS AVAILABLE! Freightliner Cascadia 126 Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 455HP, 12 Speed DT12 Amt

$59,900 USD

PRICE JUST REDUCED!! LOW MILE FLEET MAINTAINED UNIT WITH FREIGHTLINER EW4 EXTENDED ENGINE AND AFTER TREATMENT WARRANY FOR 5 YEARS OR 550K MILES! TEI USED TRUCK INSPECTION PERFORMED, STATE...

Condition	Used
Usage	372,000 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LLLT1923U/RIC
MLS Number	12744287
Category	Sleeper Semi Trucks
Last Updated	5/16/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

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2020 PRICE JUST REDUCED! GET IT BEFORE ITS GONE! Freightliner Cascadia 126 Sleeper - 72" Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$59,900 USD

ONLY 3 UNITS LEFT!! SOUTHERN TRUCKS WITH NO RUST! GREAT MILES AND EXTENDED FACTORY WARRANTY! This unit is clean and Fleet Maintained, Dot State inspected and professionally detailed. Unit...

Condition	Used
Usage	408,573 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LLLT1933U/RIC
MLS Number	12744271
Category	Sleeper Semi Trucks
Last Updated	7/17/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

(855) 807-___ SHOW
NUMBERCall Seller

50 0

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

$54,500 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	450 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	7/25/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 591-___ SHOW
NUMBERCall Seller

31 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 475HP, 12 Speed Dt12 Automatic

$44,900 USD

2019 Freightliner Cascadia 126 - Here Is A Beautiful Fleet Maintained 126 Cascadia! 1 Owner Truck! This Truck Only Has 498k Miles! Detroit DD15 Engine, Detroit DT12 Automatic Transmission!...

Condition	Used
Usage	498,120 Miles
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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	KL9437
MLS Number	12704165
Category	Sleeper Semi Trucks
Last Updated	7/16/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc