12 Speed Trucks with Detroit Engines For Sale

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38 1

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

Price Drop

$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	12/31/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(833) 220-___ SHOW
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7 0

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

Price Drop

$26,999 USD

CLEAN FLEET MAINTAINED GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,

Condition	Used
Usage	443,878 Miles
Duty Class	Heavy Duty Day Cab Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
MLS Number	14052174
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
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9 0

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

Recently Updated

$46,999 USD

CLEAN FLEET MAINTAINED TRUCK GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,

Condition	Used
Usage	584,231 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13998248
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

(844) 940-___ SHOW
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18 0

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

$54,999 USD

FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	474,000 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

Featured Item

68 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2022,

Condition	Used
Usage	5,805 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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1719
MLS Number	14044096
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

Featured Item

68 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$85,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 09/19/2022, LEAD TRUCK,

Condition	Used
Usage	5,631 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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1718
MLS Number	14044092
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

Featured Item

68 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$89,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 12/27/2022, Lead Truck,

Condition	Used
Usage	5,413 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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1716
MLS Number	14044045
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

Featured Item

67 0

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

$95,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,

Condition	Used
Usage	5,381 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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1715
MLS Number	14044043
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

Featured Item

68 0

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

$95,900 USD

Balance of Detroit Diesel 5 Year/500K Mile Major Components (PARTS ONLY) Warranty and 5 Year/750K Mile Basic Transmission Warranty In Service: 03/06/2023,

Condition	Used
Usage	5,326 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	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	1714
MLS Number	14044040
Category	Sleeper Semi Trucks
Last Updated	12/31/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(844) 481-___ SHOW
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24 1

2015 Western Star 4700 Day Cab Truck - Detroit 450HP, 12 Speed Ultrashift Automatic

Recently Updated

$30,000 USD

2015 WESTERN STAR 4700 DAYCAB, EATON AUTOMATIC TRANS!! DD13 ENGINE 450 HP, 455K*** MILEAGE, JAKE BRAKE, SLIDING FIFTH WHEEL, AIR RIDE SUSPENSION, 3.47 GEAR RATIO, 40K REAR AXLES, 187" WB,...

Condition	Used
Usage	455,373 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.47 ratio
MLS Number	13552547
Category	Day Cab Semi Trucks
Last Updated	1/2/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

(323) 712-___ SHOW
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7 0

2020 Freightliner Cascadia 126 Tri Axle Day Cab Truck - Detroit 470HP, 12 Speed Dt12 Automatic

Newly Listed

Contact for price

like new, tri axle tractor - just off lease, call: martha servin,

Condition	Used
Usage	94,318 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Hendrickson
Rear Axle	Tri Axle
Stock Number	L20800
MLS Number	14068529
Category	Day Cab Semi Trucks
Last Updated	1/1/2026
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(833) 986-___ SHOW
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28 0

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

Recently Updated

$124,900 USD

EXT DETROIT EW4 CARB COMPLIANT COVERAGE 60 Months 09/08/Miles EXT TRUCK COVERAGE 1 60 Months 09/08/Miles EXT WIRING COMPLETE 60 Months 09/08/Miles,

Condition	Used
Usage	236,688 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	266905
MLS Number	14025439
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Tampa, FL, US
Sold By	Southport Truck Group

29 0

2019 Freightliner Cascadia 113 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

Recently Updated

$29,900 USD

2019 Freightliner Cascadia 113 – 1 Owner, Fleet Maintained Cascadia!, Came out of Iowa—very nice, clean and ready to work! , 450 HP Detroit DD13 engine, , Detroit DT12 automatic transmission...

Condition	Used
Usage	562,852 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.07 ratio
Stock Number	KC4722
MLS Number	13788641
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(844) 216-___ SHOW
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31 1

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

Recently Updated

$49,900 USD

Several Available! Super Clean Units!, 8 new tires, 472,720 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB,...

Condition	Used
Usage	472,720 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3614
MLS Number	13712683
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

36 0

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

Recently Updated

$57,900 USD

2018 Freightliner Cascadia 126 - 1 Owner, Fleet Maintained Cascadia! This truck came all the way from Road Island! Detroit DD15 Engine, Detroit DT12 Automatic Transmission, Condo Sleeper!...

Condition	Used
Usage	409,020 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	JY9630
MLS Number	13677808
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

24 0

2018 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

Recently Updated

$32,900 USD

2018 Freightliner Cascadia 126 – One Nice Day Cab!, Clean, well-kept, and ready to work! , 450 HP Detroit DD13 engine, , Detroit DT12 automatic transmission, , 3.08 rear axle ratio, , 178″...

Condition	Used
Usage	398,015 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
Stock Number	JX5273
MLS Number	13514295
Category	Day Cab Semi Trucks
Last Updated	1/1/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

22 0

2016 Freightliner Cascadia 113 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

Recently Updated

$24,900 USD

2016 Freightliner Cascadia 113 – Very Clean Day Cab!, This is a very clean truck with recent major work completed at Freightliner—ready to go to work! , Detroit DD13 engine, , Detroit DT12...

Condition	Used
Usage	545,803 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	3.07 ratio
Stock Number	HR8672
MLS Number	13347490
Category	Day Cab Semi Trucks
Last Updated	1/1/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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21 0

2022 Freightliner Cascadia 126 Day Cab Truck - Detroit 455HP

Newly Listed

$49,900 USD

2022 Freightliner Cascadia 126 New body style day cab, Detroit power, long wheelbase, pto, ready to work!,

Condition	Used
Usage	431,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	267013
MLS Number	14065840
Category	Day Cab Semi Trucks
Last Updated	12/31/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group

25 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	347,594 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	MO11020
MLS Number	14065720
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

27 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	347,594 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	MO11020
MLS Number	14065718
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

14 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	368,796 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	CO11021
MLS Number	14065717
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

15 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	368,796 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	CO11021
MLS Number	14065716
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

21 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	352,085 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	MO11019
MLS Number	14065714
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

21 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

Newly Listed

$62,950 USD

*For sale: Three low-mileage DD13-powered Cascadia's, fully equipped with APUs **Factory Warranty Remaining**, Cab Corrosion-3/3/2027, Frame Rails-3/3/2028, Crossmemebers-3/3/2028, Ext Dual...

Condition	Used
Usage	352,085 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD13
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 2.28 ratio
Stock Number	MO11019
MLS Number	14065713
Category	Sleeper Semi Trucks
Last Updated	1/1/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks