New 12 Speed Sleeper Semi Trucks For Sale

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2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

$222,650 USD

NEW ARRIVAL!!!! 2026 WESTERN STAR 49XSF!!! BIG HORSEPOWER!!!! 600HP DD16, 1850 TORQUE. HEAVY SPEC TRUCK!!! 46K REAR 16K FRONT. BEAUTIFUL TRUCK! COMFORTABLE TO DRIVE.! FEDERAL EXCISE...

Condition	New
Usage	498 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	109848
MLS Number	13576732
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Bowling Green, KY, US
Sold By	Boyd Truck Centers

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2025 Western Star 57X Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$153,686 USD

NEW!!! 57X MID ROOF FLATBED HAULER!!!! DD15/505hp, DT12 AUTOMATED TRANSMISSION with 60 MONTH/750,000 Mile Warranty. Call for more information

Condition	New
Usage	531 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	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	108920
MLS Number	13184634
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(484) 544-___ SHOW
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2025 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

$180,000 USD

Cummins Powered Ultraloft. Double Bunk, Automated 12 speed trans

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	270753
MLS Number	12898477
Category	Sleeper Semi Trucks
Last Updated	11/26/2025
Location	Allentown, PA, US
Sold By	Hunter Truck

(844) 962-___ SHOW
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2025 Mack Anthem 64T Sleeper Semi Truck - MP8-445E 445HP, 12 Speed M Drive Amt

Contact for price

9 Available, NAP (Not all As Pictured): 1M1AN4GY6SM052060, 1M1AN4GY8SM052061, 1M1AN4GYXSM052062, 1M1AN4GY1SM052063, 1M1AN4GY3SM052064, 1M1AN4GY5SM052065, 1M1AN4GY8SM052058, 1M1AN4GY7SM052066...

Quantity	10
Condition	New
Usage	500 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	445 HP
Engine Model	Mack MP8-445E
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automated
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	52059
MLS Number	13169699
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2026 Western Star 49X Sleeper Semi Truck - 60" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

$210,000 USD

NEW WESTERN STAR 49X 60 IN MID ROOF SLEEPER. 505HP DD15. NICE TRUCK THAT IS READY TO WORK

Condition	New
Usage	563 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	Flat Top Sleeper
Sleeper Size	60"
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	109849
MLS Number	13576917
Category	Sleeper Semi Trucks
Last Updated	8/1/2025
Location	Bowling Green, KY, US
Sold By	Boyd Truck Centers