12 Speed Automated Trucks For Sale

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27 1

2022 Peterbilt 579 Sleeper Semi Truck

$79,900 USD

2022 Peterbilt 579 – Road Ready and Fleet Friendly! Stock1272928, Looking for late-model trucks that are driver-preferred and ready to roll? Check out our 2022 Peterbilt 579 units, built...

Quantity	6
Condition	Used
Usage	424,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Unibilt
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	1272928
MLS Number	13503970
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

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10 0

2023 Volvo VNL64T760 Sleeper Semi Truck - 70" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Amt

$95,000 USD

2023 Volvo VNL64T760, SPECS: - Drive: 6x4, - 70" High Roof, - Double Bunk, - Engine: D13, - Horsepower: 425, - Transmission: VOLVO I-SHIFT ATO2612F, 12 SPEED, - APU: None, - Wheels:...

Condition	Used
Usage	315,541 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 1.27 ratio
Stock Number	NHSA23VNL6DTX Web
MLS Number	13651909
Category	Sleeper Semi Trucks
Last Updated	7/15/2025
Location	Dallas, TX, US
Sold By	Nationwide Haul

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8 0

2023 Volvo VNL64T760 Sleeper Semi Truck - 70" Raised Roof Sleeper, D13 425HP, 12 Speed I Shift Amt

$90,000 USD

2023 Volvo VNL64T760, SPECS: - Drive: 6x4, - 70" High Roof, - Double Bunk, - Engine: D13, - Horsepower: 425, - Transmission: VOLVO I-SHIFT ATO2612F, 12 SPEED, - APU: None, - Wheels:...

Condition	Used
Usage	399,760 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 1.27 ratio
Stock Number	NHSA23VNL3CNC Web
MLS Number	13651902
Category	Sleeper Semi Trucks
Last Updated	7/15/2025
Location	Charlotte, NC, US
Sold By	Nationwide Haul

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38 1

2020 Peterbilt 579 Day Cab Truck - Paccar 455HP, 12 Speed Amt

Call for price

217229 Miles, 6671 Hours, Engine: PACCAR MX-13, 455 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Paccar Suspension, Tires: 11R22.5, Wheels: Aluminum, Wheel Base: 188, Tandem...

Condition	Used
Usage	6,671 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	C-36531
MLS Number	13651856
Category	Day Cab Semi Trucks
Last Updated	6/27/2025
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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17 1

2022 Peterbilt 579 Sleeper Semi Truck

Newly Listed

$76,900 USD

2022 Peterbilt 579 – UltraLoft Sleeper – 407K Miles – Cummins X15 – Stock #1273418, This well-maintained 2022 Peterbilt 579 is ready to hit the road. Powered by a Cummins X15 engine and...

Quantity	10
Condition	Used
Usage	407,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins x15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	UltraLoft
Sleeper Size	80"
Rear Axle	Tandem Axle
Stock Number	1273418
MLS Number	13726991
Category	Sleeper Semi Trucks
Last Updated	7/28/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

25 1

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

Recently Updated

$47,500 USD

Several Available! Super Clean Units!, 586,814 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB, Disc Brakes,...

Condition	Used
Usage	586,814 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	LJ3601
MLS Number	13712709
Category	Sleeper Semi Trucks
Last Updated	7/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

4 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

Price Drop

$75,900 USD

72 Inch Raised Roof Sleeper, Upper Bunk, 380,000 Approximate Miles, ECM Reads 380,000 Miles, Detroit DD15 Engine, 475 H.P., Engine Brake, DT12 Transmission, (Automatic), 40,000 Lb. Rear Ends...

Condition	Used
Usage	380,000 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	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MM8004
MLS Number	13712687
Category	Sleeper Semi Trucks
Last Updated	7/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

31 1

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

Recently Updated

$56,900 USD

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

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	7/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

32 1

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

Recently Updated

$55,900 USD

Several Available! Super Clean Units!, 504,571 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele, Cruise, 240" WB, Disc Brakes,...

Condition	Used
Usage	504,571 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LJ3608
MLS Number	13712677
Category	Sleeper Semi Trucks
Last Updated	7/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

31 3

2021 Freightliner Cascadia 116 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

Recently Updated

$53,000 USD

512,679 Miles, Detroit DD13, 450 HP, 60 Inch Mid-Roof XT Sleeper, Engine Brake, 40,000 Lb. Rear Ends, 2.41 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Dual...

Condition	Used
Usage	512,679 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	40,000 lb 2.41 ratio
Stock Number	MG1971
MLS Number	13586665
Category	Sleeper Semi Trucks
Last Updated	7/28/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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49 2

2021 Freightliner Cascadia 126 Day Cab Truck - Cummins, 12 Speed Amt

Newly Listed

$89,900 USD

26298 Miles, Engine: CUMMINS X15, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, AirLiner Suspension, Tires: 11R22.5, Wheels: All Aluminum, Wheel Base: 170, Tandem Rear Axles,...

Condition	Used
Usage	26,298 Miles
Duty Class	Heavy Duty Day Cab Truck
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	D2629
MLS Number	13726593
Category	Day Cab Semi Trucks
Last Updated	7/27/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

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13 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Newly Listed

$25,000 USD

NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,

Condition	Used
Usage	403,012 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21PAM403LT
MLS Number	13726573
Category	Sleeper Semi Trucks
Last Updated	7/27/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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6 0

2020 Mack Granite 64FR Tri Axle Dump Truck - MP7 405HP, 12 Speed M Drive Amt, 16' Dump

Newly Listed

$130,000 USD

NICE TRUCK, VERY CLEAN, HARD OX BED, RUNS AND DRIVES EXCELLENT, AIR SEAT, TILT/TELE, DIFFERENTIAL LOCK, STEERABLE AIR LIFT THIRD AXLE, AIR GATE, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS,...

Condition	Used
Usage	232,673 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	405 HP
Engine Model	Mack MP7
Drivetrain	8x4
Transmission	12 Speed mDRIVE Automated
Suspension	Camelback
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	20GRAN232TRIDUMP
MLS Number	13726566
Category	Dump Trucks
Last Updated	7/27/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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8 0

2021 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

Recently Updated

$25,000 USD

NICE TRUCK, FLEET MAINTAINED, AIR SEAT, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, TILT/TELE, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH WHEEL, DOUBLE BUNK!,

Condition	Used
Usage	401,272 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21PAM401LT
MLS Number	13557150
Category	Sleeper Semi Trucks
Last Updated	7/27/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 748-___ SHOW
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88 0

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Price Drop

$105,000 USD

148528 Miles, 2988 Hours, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Overdrive, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper,...

Condition	Used
Usage	2,988 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	866559
MLS Number	12994684
Category	Sleeper Semi Trucks
Last Updated	7/27/2025
Location	Beverly, WV, US
Sold By	TFS Recovery, Inc.

(844) 362-___ SHOW
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17 0

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 430HP, 12 Speed Dt12 Amt

Recently Updated

$24,900 USD

2017 CASCADIA 125 ,430HP DD13,DETROIT 12SPD AUTOSHIFT,MERITOR 3.25 RATIO REARENDS WITH AIR RIDE,178" WHEELBASE FLEET MAINTAINED

Condition	Used
Usage	453,575 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	430 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	HDHY1431
MLS Number	12761836
Category	Day Cab Semi Trucks
Last Updated	7/27/2025
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

1 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed

$74,500 USD

Inspection Report

Condition	Used
Usage	349,052 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503366
MLS Number	13724873
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$63,000 USD

Inspection Report

Condition	Used
Usage	422,789 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	503331
MLS Number	13724868
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed

$54,500 USD

Inspection Report

Condition	Used
Usage	345,175 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	503266
MLS Number	13724846
Category	Day Cab Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$68,000 USD

Inspection Report

Condition	Used
Usage	318,760 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	503234
MLS Number	13724838
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$61,500 USD

Inspection Report

Condition	Used
Usage	441,630 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.85 ratio
Stock Number	502613
MLS Number	13724833
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

1 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, A26 400HP, 12 Speed

Newly Listed

$66,000 USD

Inspection Report

Condition	Used
Usage	218,984 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	503143
MLS Number	13724829
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	Charlotte, NC, US
Sold By	International Motors, LLC

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4 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$53,000 USD

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, Oil Changed Every 35K Miles,

Condition	Used
Usage	458,459 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	3603
MLS Number	13724827
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC