12 Speed Tandem Axle Sleeper Semi Trucks with 500-549 HP For Sale in United States

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2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

$49,900 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	526,094 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	192
MLS Number	12902768
Category	Sleeper Semi Trucks
Last Updated	8/23/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 956-___ SHOW
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31 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Amt

Newly Listed

$63,900 USD

Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 500 hp Engine, 2020 US EPA Label, Requires Diesel Exhaust Fluid, 100 gal Left Fuel Tank 100 gal Right Fuel Tank, Collision Mitigation...

Condition	Used
Usage	446,682 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	C5250
MLS Number	13115902
Category	Sleeper Semi Trucks
Last Updated	9/15/2024
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

25 0

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

Recently Updated

$77,000 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	429,283 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	373210
MLS Number	13078011
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Chicopee, MA, US
Sold By	Penske Used Trucks

(833) 986-___ SHOW
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8 0

2020 Western Star 5700XE Sleeper Semi Truck - Detroit 505HP

Recently Updated

$39,900 USD

FOR SALE - 2020 Western Star 5700XE Sleeper, DD15 Engine 505HP, DT12 Automatic Transmission, 668K miles. The interior is clean, offering double bunks, and Thermoking APU. The truck had a...

Condition	Used
Usage	668,156 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	258000
MLS Number	13094917
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Fort Myers, FL, US
Sold By	Southport Truck Group

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22 1

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 76" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Recently Updated

$69,900 USD

LOW MILES FOR THE YEAR, 2020 FREIGHTLINER CASCADIA 126, ONLY 371,049 MILES, RAISED ROOF SLEEPER, THERMO KING DIESEL APU, POWER INVERTER, REFRIGERATOR, SUPER SINGLE TIRES, 505 HP DD15 DETROIT...

Condition	Used
Usage	371,049 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	Raised Roof Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LLKZ2481U/MANA
MLS Number	12885873
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

14 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

Price Reduced

$179,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NRJ360879
MLS Number	12921387
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

16 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

Price Reduced

$179,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NRJ360880
MLS Number	12921342
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

16 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Mid Roof Sleeper, Paccar 510HP, 12 Speed Endurant Automatic

Price Reduced

$179,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	NRJ360876
MLS Number	12921300
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

16 1

2024 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Automatic

Recently Updated

$194,900 USD

Condition	New
Usage	1 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NRJ364157
MLS Number	12921160
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

(844) 385-___ SHOW
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10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

Price Reduced

$50,583 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
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	275425
MLS Number	13022115
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Bolingbrook, IL, US
Sold By	Ryder

23 0

2021 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$72,500 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	540,408 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	379734
MLS Number	12706795
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Albuquerque, NM, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$59,750 USD

SPECIAL PROMOTION - Original Price: $64750.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	540,104 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	351147
MLS Number	12757697
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Tacoma, WA, US
Sold By	Penske Used Trucks

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34 1

2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Autoshift Amt

Recently Updated

$145,900 USD

2023 KENWORTH T680 NEXT GEN, ONLY 127,068 MILES, STILL LIKE NEW, CUMMINS X15 500 HP MOTOR, EATON FULLER AUTOMATED TRANSMISSION, 2,909 ENGINE HOURS, RAISED ROOF DOUBLE BUNK SLEEPER, ALL...

Condition	Used
Usage	127,068 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Autoshift Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.75 ratio
Stock Number	PJ235464U/MANA
MLS Number	12944111
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

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19 1

2023 Kenworth T680 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 500HP, 12 Speed Amt

Price Reduced

$129,900 USD

**FACTORY WARRANTY REMAINING!!! Exclusive opportunity on a gently used 2023 KW T680. CB Ready, AM/FM/BT/SAT Radio, Inverter, Webasto Heater are just a few of the amenities this truck has to...

Condition	Used
Usage	149,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	PJ263298U/MANA
MLS Number	12885946
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

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19 0

2021 Peterbilt 579 Sleeper Semi Truck

Price Reduced

$49,950 USD

Truck has complete 92 point Dealer inspection, Complete detail with new mattress, fresh passing dot, and comes with a 6 Month Engine and Aftertreatment Warranty .

Warranty

Condition	Used
Usage	478,248 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Sky Rise Pro Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	HP4493
MLS Number	13024493
Category	Sleeper Semi Trucks
Last Updated	9/12/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

24 0

2019 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$56,250 USD

SPECIAL PROMOTION - Original Price: $63250.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...

Condition	Used
Usage	469,179 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 3.31 ratio
Stock Number	228385
MLS Number	12256459
Category	Sleeper Semi Trucks
Last Updated	9/15/2024
Location	Pell City, AL, US
Sold By	Penske Used Trucks

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49 0

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

Price Reduced

$49,500 USD

2021 CLEAN Fleet Maintained Truck Excellent condition!!, Brush guard, Virgin Rubber, Fridge Quarter Fenders, Collision Mitigation System! Great paint, Clean interior, Great Rubber, Cold AC...

Condition	Used
Usage	514,664 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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	6724
MLS Number	12744045
Category	Sleeper Semi Trucks
Last Updated	9/12/2024
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

20 1

2020 Peterbilt 579 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Newly Listed

$42,999 USD

Condition	Used
Usage	20,874 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	ULD656698
MLS Number	13106490
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

15 1

2020 Peterbilt 579 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Price Reduced

$52,999 USD

Condition	Used
Usage	598,120 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Leaf Springs
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	ULD656699
MLS Number	13055929
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

14 1

2020 Peterbilt 579 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Price Reduced

$44,999 USD

Condition	Used
Usage	18,783 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Leaf Springs
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	ULD656701
MLS Number	13024062
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

22 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$64,750 USD

Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We offer competitive financing; extended warranties;...

Condition	Used
Usage	492,339 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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 2.85 ratio
Stock Number	360743
MLS Number	12986248
Category	Sleeper Semi Trucks
Last Updated	9/14/2024
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

(844) 385-___ SHOW
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9 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 505HP, 12 Speed Automatic

Price Reduced

$61,505 USD

*Nothing displayed on this site is an offer to sell approval or commitment to sell or guaranty of availability. Actual vehicle descriptions including mileage and age and offer price are...

Condition	Used
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	283909
MLS Number	13064710
Category	Sleeper Semi Trucks
Last Updated	9/13/2024
Location	Converse, TX, US
Sold By	Ryder

(844) 693-___ SHOW
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18 0

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

$54,900 USD

First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience. Call, click, or stop by and visit us...

Condition	Used
Usage	502,869 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 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
Stock Number	230
MLS Number	13069539
Category	Sleeper Semi Trucks
Last Updated	9/8/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 435-___ SHOW
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9 0

2024 International LT Sleeper Semi Truck

$134,900 USD

Engine: CUMMINS, 500 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 230, Tandem Rear Axles, Front Axle Weight: 12350 lb, Rear Axle Weight: 40000 lb

Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Drivetrain	6x4
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	268774
MLS Number	12433377
Category	Sleeper Semi Trucks
Last Updated	9/9/2024
Location	Hartford, CT, US
Sold By	Allegiance Trucks