12 Speed Trucks with Detroit Engines For Sale

(323) 712-___ SHOW
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19 0

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$26,900 USD

2017 Freightliner Day cab OFF LEASE, Automatic transmission looks good clean cab, Call Martha Servin,

Quantity	11
Condition	Used
Usage	762,045 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	17317
MLS Number	12908781
Category	Day Cab Semi Trucks
Last Updated	1/29/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(833) 801-___ SHOW
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7 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$22,500 USD

good truck, runs great, VERY clean, fleet maintained, full locking rears, A/S 5th, dump valve, full gauge package, tilt/tele, power windows, power mirrors, heated mirrors, double bunk, smart...

Condition	Used
Usage	804,260 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 2.85 ratio
Stock Number	18DET804APUCAS
MLS Number	13360560
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

3 0

2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$36,900 USD

2019 FREIGHTLINER Cascadia126 Non-Sleeper Conventional, 459,000 Approximate Miles, ECM Reads 459,000 Miles, Detroit DD13 Engine, 450 H.P., Engine Brake, DT12 Transmission, (Automatic),...

Condition	Used
Usage	459,541 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	kl3402
MLS Number	13360418
Category	Day Cab Semi Trucks
Last Updated	1/24/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 910-___ SHOW
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10 0

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

$44,500 USD

New Style Cascadia, 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	488,055 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	3397
MLS Number	13360415
Category	Sleeper Semi Trucks
Last Updated	1/29/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 693-___ SHOW
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17 0

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

$39,950 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	630,704 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 3.08 ratio
Stock Number	298
MLS Number	13360330
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(855) 910-___ SHOW
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10 0

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

$52,000 USD

New Style Cascadia, 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	480,920 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 2.47 ratio
Stock Number	3478
MLS Number	13332186
Category	Sleeper Semi Trucks
Last Updated	1/24/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 910-___ SHOW
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10 0

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

$44,500 USD

New Style Cascadia, 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	493,178 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	3369
MLS Number	13326847
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(855) 370-___ SHOW
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13 1

2017 Freightliner Cascadia 113 Day Cab Truck - Detroit 410HP

$29,900 USD

2017 Freightliner Cascadia - Detroit DD13, 410 HP Engine, DT12 12 Spd Detroit DT12-OB Transmission, Air Ride, Tandem Axle, 125" Hood, 175" WB (CA/CT-100" EOF-158"), 52,000 GVW, 12,000# Front...

Condition	Used
Usage	10,400 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	17WH060
MLS Number	13279800
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

19 2

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, Automatic

$35,900 USD

Fleet Maintained, Stock LL9579, Miles 479,853, DD13, 450 HP, DT 12 Automatic, 3.08 Ratio, 180" WB, Cruise, Tilt/Tele, Air slide 5TH, Dual Air Ride Seats, Power Windows/Mirrors, Inter axel...

Condition	Used
Usage	479,853 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LL9579
MLS Number	13140908
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

1 0

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, Automatic

$40,900 USD

Fleet Maintained, Miles 387,353, DD13, 450 HP, DT 12 Automatic, 3.08 Ratio, 180" WB, Cruise, TIlt/Tele, Air slide 5TH, Dual Air Ride Seats, Power Windows/Mirrors, Working A/C Heat,

Condition	Used
Usage	387,537 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LL9614
MLS Number	13140903
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

15 2

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, Automatic

$36,900 USD

Fleet Maintained, Stock LL9645, Miles 373,510, DD13, 450 HP, DT 12 Automatic, 3.08 Ratio, 180" WB, Cruise, Tilt/Tele, Air slide 5TH, Dual Air Ride Seats, Power Windows/Mirrors, Inter axel...

Condition	Used
Usage	373,510 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LL9645
MLS Number	13140825
Category	Day Cab Semi Trucks
Last Updated	1/29/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(909) 775-___ SHOW
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10 0

2020 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$57,900 USD

(15) Matched units, lightweight fuel haulers 6X2,

Quantity	2
Condition	Used
Usage	671,387 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x2
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	L20392
MLS Number	12622928
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

(866) 314-___ SHOW
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8 0

2015 Freightliner Cascadia 113 Single Axle Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Automatic

$4,950 USD

auto trans, Detroit engine, drives well,

Condition	Used
Usage	928,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	4x2
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 2.50 ratio
Stock Number	10618
MLS Number	13357150
Category	Day Cab Semi Trucks
Last Updated	1/22/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

(855) 717-___ SHOW
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63 1

2021 Western Star 5700XE Sleeper Semi Truck - 81" Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$48,900 USD

*** 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? BAD CREDIT?...

Condition	Used
Usage	586,071 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	81"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	L01086-DELIVERY 2 U
MLS Number	13222625
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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57 1

2021 Western Star 5700XE Sleeper Semi Truck - 81" Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$54,900 USD

*** 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? BAD CREDIT?...

Condition	Used
Usage	478,302 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	81"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	L01085-DELIVERY 2 U
MLS Number	13222624
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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44 1

2021 Western Star 5700XE Sleeper Semi Truck - 82" Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$52,900 USD

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

Condition	Used
Usage	511,479 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	82"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	N14648-DELIVERY 2 U
MLS Number	13213535
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(844) 900-___ SHOW
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43 1

2021 Western Star 5700XE Sleeper Semi Truck - 82" Mid Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$49,900 USD

*** 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? BAD CREDIT?...

Condition	Used
Usage	577,000 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	82"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	B03262-DELIVERY 2 U
MLS Number	13213532
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(844) 912-___ SHOW
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41 1

2021 Western Star 5700XE Sleeper Semi Truck - 68" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Automatic

$49,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!! SIDE AND FULL FAIRINGS, LIQUID DEF. SUSPENSION AIR DUMP, DIFFERENTIAL LOCK Se Habla Espanol! NO CREDIT? BAD...

Condition	Used
Usage	580,703 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	68"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	H01452-DELIVERY 2 U
MLS Number	13206545
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Houston, TX, US
Sold By	Diamond Truck Sales Inc

(844) 693-___ SHOW
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18 0

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

$34,950 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	779,427 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 2.47 ratio
Stock Number	297
MLS Number	13352838
Category	Sleeper Semi Trucks
Last Updated	1/22/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 912-___ SHOW
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4 0

2020 Volvo VNL64T760 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 425HP, 12 Speed I Shift Automatic

$52,900 USD

ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, Automatic 12 SPEED!!! ENGINE BRAKE, DEF, TC Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...

Condition	Used
Usage	604,173 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	F02457-DELIVERY2U
MLS Number	13352534
Category	Sleeper Semi Trucks
Last Updated	1/22/2025
Location	Fort Worth, TX, US
Sold By	Diamond Truck Sales Inc

(855) 907-___ SHOW
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19 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck

$56,500 USD

DD15, Dt12 Automatic, 72in Double Bunk, Bunk Heater, 1750 Torque, Multiple units, Fridge, Financing Available

Condition	Used
Usage	449,774 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	40,000 lb 2.16 ratio
Stock Number	HP0270
MLS Number	13190270
Category	Sleeper Semi Trucks
Last Updated	1/24/2025
Location	Strafford, MO, US
Sold By	HD Trucks LLC

(855) 370-___ SHOW
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13 1

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 410HP

$27,900 USD

2017 Cascadia 125, Detroit DD13 410HP Engine - DT12 12 Spd Detroit DT12-OB Transmission, Tandem Air Ride Suspension, 52,000 GVW, 12,000# Front Axle, 40,000# Rear Axle, 3.25 Ratio, 178"...

Condition	Used
Usage	473,028 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	17WH080
MLS Number	13231665
Category	Day Cab Semi Trucks
Last Updated	1/21/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

(855) 981-___ SHOW
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5 1

2020 Freightliner Cascadia 116 Day Cab Truck - Detroit 410HP, 12 Speed Dt12 Amt

$34,900 USD

2020 Freightliner PE116 Day Cab **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 tires for...

Condition	Used
Usage	398,103 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	TNF201118 Web
MLS Number	13219348
Category	Day Cab Semi Trucks
Last Updated	1/21/2025
Location	Somerset, NJ, US
Sold By	Nationwide Haul