Green 12 Speed Sleeper Semi Trucks For Sale

(844) 624-___ SHOW
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2019 Peterbilt 579 Sleeper Semi Truck - 80" Mid Roof Sleeper, Paccar 455HP, 12 Speed Endurant Automatic

$34,950 USD

AVAILABLE FOR SALE: 2019 PETERBILT 579 SLEEPER IN KANSAS CITY, MO C FUEL-EFFICIENT, DRIVER-FOCUSED, AND READY TO WORK!!! CALL AMERICAN TRUCK CENTERS FOR MORE INFO Selling a well-maintained...

Condition	Used
Usage	538,858 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MO11032
MLS Number	14064735
Category	Sleeper Semi Trucks
Last Updated	1/16/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(855) 942-___ SHOW
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2021 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop $59,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 479,164 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle....

Condition	Used
Usage	479,164 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	374360
MLS Number	12656349
Category	Sleeper Semi Trucks
Last Updated	1/21/2026
Location	Norcross, GA, US
Sold By	Penske Used Trucks

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

$56,000 USD

Brand new 11r24.5 drive tires, 432,093 Miles, DD15 505 HP, DT12 Automated, 72" Mid-Roof XT Sleeper, Jakes, 40,000 Lb. Rear Ends, 3.08 Ratio, Air Ride, Bunk Heater,, Tilt And Teles, Cruise,...

Condition	Used
Usage	432,093 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	LJ3613
MLS Number	13712682
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(866) 751-___ SHOW
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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

(844) 321-___ SHOW
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2021 Volvo VNL64T860 Sleeper Semi Truck - 86" Raised Roof Sleeper, D13 500HP, 12 Speed I Shift Automatic

$69,900 USD

DRIVER WORKSTATION. Manufacturer’s Engine Warranty, Balance of VOLVO 5 Year/500,000 Mile Major Components Warranty. In Service: 1/4/2021, YEAR END SPECIAL!!! - WAS $76,900 NOW $ 69,900...

Condition	Used
Usage	13,621 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	1693
MLS Number	14043671
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Fontana, CA, US
Sold By	Yerevan Truck & Equipment Sales

(855) 942-___ SHOW
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2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 450HP, 12 Speed Automatic

$40,000 USD

Used 2019 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 691,150 miles, 450HP DD13 diesel engine, 12-speed automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	691,151 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	215922
MLS Number	13879121
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Charlotte, NC, US
Sold By	Penske Used Trucks

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

$41,000 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	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$46,500 USD

517,147 Miles, Detroit DD15, 505 HP, Jakes, DT12 Automated, 72" Mid-Roof XT Sleeper, Single Bunk, TriPAC APU, Super Singles w/Good Tread, 40k Rears, 3.08 Ratio, Air Ride, Bunk Heater,...

Condition	Used
Usage	517,147 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	LJ3612
MLS Number	13712681
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$43,500 USD

555,832 Miles, DD15 Detroit, 505 HP, DT12 Automated, 72 Inch Mid-Roof XT Sleeper, Engine Brake, 40k Rears, 3.08 Ratio, Air Ride Suspension, Hydraulic Power Steering, Dual Aluminum Fuel...

Condition	Used
Usage	555,832 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	LJ3610
MLS Number	13712680
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$47,500 USD

Several Available! Super Clean Units!, 504,571 Miles, DD15 Detroit, 505 HP, Jakes, DT12 Automated, Collision Mitigation System, TriPac APU, Bunk Heater, 40,000# Rears, Air Ride, Tilt/Tele,...

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	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Peterbilt 579 Sleeper Semi Truck - Cummins 450HP, Automatic

$42,000 USD

504,110 Miles, Cummins X15 Engine, 450 H.P Engine Brake, Eaton Automatic Transmission, 80 Inch Ultra-Loft Sleeper, Upper Bunk, 40,000 Lb. Rear Ends, 2.79 Ratio, Air Ride Suspension,...

Condition	Used
Usage	504,110 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	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	633351
MLS Number	13586555
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

Price Drop $52,738 USD

Condition	Used
Usage	713,516 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15 GHG'17 505/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	292324
MLS Number	13998390
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Beltsville, MD, US
Sold By	Ryder

2020 Mack Anthem 64T Sleeper Semi Truck - MP8 415HP

$26,900 USD

*Rep Photos* - will update once unit arrives and goes through service and detail!, Many Units Available!, MP8 415 HP Engine, M-Drive 12 Speed Automated, 12,000# Fronts / 40,000# Rears,...

Condition	Used
Usage	592,400 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	016762
MLS Number	13599606
Category	Sleeper Semi Trucks
Last Updated	11/19/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2020 Mack Anthem 64T Sleeper Semi Truck - MP8 415HP

$20,500 USD

Several Units Available!, 723,486 Miles, MP8 415 HP Engine, M-Drive 12 Speed Automated, 12,000# Fronts / 40,000# Rears, Fleet Maintained, 2.28 Ratio, 181”WB, 210 Gallon Capacity, Sliding...

Condition	Used
Usage	723,486 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	016595
MLS Number	13599597
Category	Sleeper Semi Trucks
Last Updated	11/19/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$51,860 USD

Condition	Used
Usage	500,730 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	786939
MLS Number	13976023
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Salisbury, MA, US
Sold By	Ryder

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$55,377 USD

Condition	Used
Usage	470,371 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	786935
MLS Number	13976021
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Salisbury, MA, US
Sold By	Ryder

(833) 490-___ SHOW
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2020 Mack Anthem Sleeper Semi Truck- 90 Day Engine, Aftertreatment, Transmission and Rear Warranty Included

$39,950 USD

For Sale: 2020 Mack Anthem - 602,000 Miles, This 2020 Mack Anthem is a reliable, DOT-passing workhorse ready for the road. Powered by a Mack MP8 engine with 415 HP and equipped with a...

Warranty

Condition	Used
Usage	602,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	U014887
MLS Number	13763261
Category	Sleeper Semi Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

Tri State Truck Center - Springfield, MO

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$51,994 USD

Condition	Used
Usage	520,830 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	786937
MLS Number	13962680
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Salisbury, MA, US
Sold By	Ryder

2018 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$51,756 USD

Condition	Used
Usage	502,267 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15AT'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	786936
MLS Number	13948918
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Salisbury, MA, US
Sold By	Ryder

(833) 490-___ SHOW
NUMBERCall Seller

2020 Mack Anthem Sleeper Semi Truck- 90 Day Engine, Aftertreatment, Transmission and Rear Warranty Included

$44,950 USD

For Sale: 2020 Mack Anthem - 602,000 Miles, This 2020 Mack Anthem is a reliable, DOT-passing workhorse ready for the road. Powered by a Mack MP8 engine with 415 HP and equipped with a...

Warranty

Condition	Used
Usage	525,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	U013008
MLS Number	13763265
Category	Sleeper Semi Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

2020 Mack Anthem 64T Sleeper Semi Truck - MP8 415HP

$22,999 USD

Several Units Available!, 662,617 Miles, MP8 415 HP Engine, M-Drive 12 Speed Automated, 12,000# Fronts / 40,000# Rears, Fleet Maintained, 2.28 Ratio, 181”WB, 210 Gallon Capacity, Sliding...

Condition	Used
Usage	662,618 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	016622
MLS Number	13599594
Category	Sleeper Semi Trucks
Last Updated	10/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC