Used Heavy Duty Diesel 12 Speed Trucks with Detroit Engines For Sale

Featured Item

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

Price Drop

$54,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	496,227 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
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	216
MLS Number	13024364
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

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2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$81,999 USD

8 Brand New Drive Tires. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. DPF cleaned. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit, No Credit,...

Condition	Used
Usage	348,433 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12297404
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

9 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$78,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	386,281 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12297146
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(855) 910-___ SHOW
NUMBERCall Seller

Featured Item

9 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,500 USD

New Style Cascadia, N.A.P.,Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck!,

Condition	Used
Usage	486,740 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	3391
MLS Number	13066080
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

Featured Item

10 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

$54,999 USD

8 Brand New Drive Tires. Almost new Condition. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit,...

Condition	Used
Usage	503,837 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12755826
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

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2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$58,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	404,625 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
MLS Number	10070531
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 658-___ SHOW
NUMBERCall Seller

Featured Item

11 0

2017 Freightliner Cascadia 113 Day Cab Truck, Tractor, Single Axle, Fifth Wheel, Air Ride, Air Sliding Fifth Wheel, Meritor Rears

$23,999 USD

2017 Freightliner Cascadia 113 Stock: JA3616, VIN: 3AKBGADV0HSJA3616, Year: 2017, Make: Freightliner, Model: Cascadia 113, Engine: Detroit DD13, 6 Cyl, 12.8L, Mileage: 502702,...

Condition	Used
Usage	14,901 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit
Drivetrain	4x2
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	JA3616
MLS Number	12629228
Category	Day Cab Semi Trucks
Last Updated	10/3/2024
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(866) 714-___ SHOW
NUMBERCall Seller

Featured Item

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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

$38,900 USD

2016 Freightliner Cascadia 125 High Rise Sleeper, Detroit DD15 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 475/505 HP Engine, Detroit DT12, 12 Speed Automated Transmission, 2017 US EPA Label,...

Condition	Used
Usage	12,817 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit Detroit Diesel DD15 EV
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	250301
MLS Number	13104685
Category	Sleeper Semi Trucks
Last Updated	9/19/2024
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

(855) 560-___ SHOW
NUMBERCall Seller

Featured Item

17 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$31,900 USD

2016 Freightliner Cascadia Evolution, 12 Speed Automatic, Lots of work done to this truck recently including head gaskets, turbo and more and it is ready to go!!,

Condition	Used
Usage	714,019 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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
MLS Number	12963381
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Ravenel, SC, US
Sold By	Ravenel Truck & Equipment

(833) 300-___ SHOW
NUMBERCall Seller

33 0

2025 Western Star 47X Cab & Chassis Truck - Detroit, 450HP, 12 Speed Automatic

Call for price

582 Miles, Engine: DETROIT DD13, 450 HP, Fuel Type: Diesel, 12 Speed Automatic Transmission, TufTrac Suspension, Wheels: Aluminum, Wheel Base: 306, Front Axle Weight: 18000 lb, Rear Axle...

Condition	Used
Usage	582 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Transmission	12 Speed Automatic
Suspension	TufTrac
Rear End	40,000 lb 3.55 ratio
Stock Number	C-35347
MLS Number	12862543
Category	Cab & Chassis Trucks
Last Updated	6/14/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(833) 986-___ SHOW
NUMBERCall Seller

28 0

2024 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit

$139,900 USD

105000 Miles, Engine: DETROIT DD15, Fuel Type: Diesel, Drive: 6x4, Tandem Rear Axles

Condition	Used
Usage	105,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Rear Axle	Tandem Axle
Stock Number	256135
MLS Number	12941351
Category	Sleeper Semi Trucks
Last Updated	9/18/2024
Location	Tampa, FL, US
Sold By	Southport Truck Group

(833) 657-___ SHOW
NUMBERCall Seller

15 0

2024 Freightliner Cascadia 126 Day Cab Truck

$124,990 USD

Truck is in like new condition, EW4 WARRANTY 5 years 500000 miles dd13 engine, 450hp, dt12 1650 one efficient on highway 12 speed automatic transmission, merritor mt 40-14x 40000 t-srs, 180...

Warranty

Condition	Used
Usage	35,907 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit Dd13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
MLS Number	12924698
Category	Day Cab Semi Trucks
Last Updated	6/10/2024
Location	Blue Island, IL, US
Sold By	DMC Logistics

19 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Automatic

Price Drop

$139,950 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	37,171 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	243
MLS Number	13101291
Category	Sleeper Semi Trucks
Last Updated	9/28/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 912-___ SHOW
NUMBERCall Seller

27 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$98,900 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...

Condition	Used
Usage	355,898 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 2.64 ratio
Stock Number	H01300-10 NEW TIRES
MLS Number	12944062
Category	Sleeper Semi Trucks
Last Updated	9/22/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(844) 912-___ SHOW
NUMBERCall Seller

30 1

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

Price Drop

$94,900 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...

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 Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	H01298-10 NEW TIRES
MLS Number	12928882
Category	Sleeper Semi Trucks
Last Updated	10/3/2024
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(844) 748-___ SHOW
NUMBERCall Seller

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.

(844) 748-___ SHOW
NUMBERCall Seller

51 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck

$100,000 USD

285675 Miles, 7110 Hours, Engine: DETROIT DD15, 500 HP, Fuel Type: Diesel, 12 Speed DT12 AMT Transmission, Drive: 6x2, Overdrive, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	7,110 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Emission Rating	USA Tier 4 Final
Drivetrain	6x2
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	UF8641
MLS Number	12634816
Category	Sleeper Semi Trucks
Last Updated	9/26/2024
Location	Lancaster, CA, US
Sold By	TFS Recovery, Inc.

(855) 910-___ SHOW
NUMBERCall Seller

10 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Newly Listed

$64,000 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

Condition	Used
Usage	483,947 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	3644
MLS Number	13157318
Category	Sleeper Semi Trucks
Last Updated	10/5/2024
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

19 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$94,950 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	272,718 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	245
MLS Number	13127197
Category	Sleeper Semi Trucks
Last Updated	9/23/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

19 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$94,950 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	271,369 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	246
MLS Number	13124253
Category	Sleeper Semi Trucks
Last Updated	9/23/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 748-___ SHOW
NUMBERCall Seller

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.