Used Heavy Duty Diesel 12 Speed Sleeper Semi Trucks with 500-549 HP For Sale

Featured Item

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

$78,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	386,281 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12297146
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

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

$74,999 USD

8 Brand New Drive Tires. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. DPF cleaned. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit, No Credit,...

Condition	Used
Usage	407,195 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	11967292
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

9 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$58,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	404,625 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
MLS Number	10070531
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

7 0

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

$81,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	341,149 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12348483
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

9 0

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

$79,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	367,050 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	12123253
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

Featured Item

9 0

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

$79,999 USD

Brand New Virgin Drive Tires. Great condition and well maintained fleet truck. Ready to make $$$$$. OK Credit, Bad Credit, No Credit, WE WILL GET YOU FINANCED. Please call Adam at ( or...

Condition	Used
Usage	354,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
MLS Number	11909383
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(844) 407-___ SHOW
NUMBERCall Seller

Featured Item

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2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 71" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$24,900 USD

2016 FREIGHTLINER CASCADIA 125 SLEEPER, DETROIT DD15 505HP, DETROIT DT12 12 SPEED AUTOMATIC, DEF DELETED, DOUBLE BUNK, Ready to work Call for more info,

Condition	Used
Usage	749,085 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	Mid Roof Sleeper
Sleeper Size	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	2106
MLS Number	12541554
Category	Sleeper Semi Trucks
Last Updated	8/14/2024
Location	LATHROP, CA, US
Sold By	DOT TRUCK SALES

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2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$47,500 USD

SPECIAL PROMOTION - Original Price: $50500.00 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	545,014 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	216112
MLS Number	12916600
Category	Sleeper Semi Trucks
Last Updated	8/18/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

23 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$47,000 USD

SPECIAL PROMOTION - Original Price: $50000.00 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	553,081 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	216099
MLS Number	12908524
Category	Sleeper Semi Trucks
Last Updated	8/18/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

27 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$48,500 USD

SPECIAL PROMOTION - Original Price: $51500.00 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	537,869 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	216098
MLS Number	12910504
Category	Sleeper Semi Trucks
Last Updated	8/18/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

23 0

2018 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$50,250 USD

SPECIAL PROMOTION - Original Price: $57250.00 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	552,609 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	192138
MLS Number	12626765
Category	Sleeper Semi Trucks
Last Updated	8/18/2024
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

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2018 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$56,750 USD

SPECIAL PROMOTION - Original Price: $63750.00 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	411,164 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	192137
MLS Number	12626761
Category	Sleeper Semi Trucks
Last Updated	8/18/2024
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

(888) 680-___ SHOW
NUMBERCall Seller

22 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	LLKZ2481U-
MLS Number	13025986
Category	Sleeper Semi Trucks
Last Updated	8/17/2024
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

(888) 680-___ SHOW
NUMBERCall Seller

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, 2909 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	8/17/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

(855) 300-___ SHOW
NUMBERCall Seller

17 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Price Reduced

$52,300 USD

Selling a 2019 Freightliner Cascadia with 262,468 miles on it. This truck has a 505 HP Detroit DD15, Detroit DT12 transmission, 12,350 lb steer axle, and 40,000 lb drive axles with 2.28...

Condition	Used
Usage	262,468 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
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	73685
MLS Number	12941286
Category	Sleeper Semi Trucks
Last Updated	8/17/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(888) 680-___ SHOW
NUMBERCall Seller

19 1

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

Recently Updated

$135,000 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	8/17/2024
Location	Manassas, VA, US
Sold By	Truck Enterprises Inc.

(833) 368-___ SHOW
NUMBERCall Seller

15 1

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

Newly Listed

$59,999 USD

Condition	Used
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	8/16/2024
Location	Fargo, ND, US
Sold By	Wallwork Truck Center

(844) 693-___ SHOW
NUMBERCall Seller

19 0

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

Newly Listed

$54,900 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	483,113 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	229
MLS Number	13055703
Category	Sleeper Semi Trucks
Last Updated	8/16/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(877) 705-___ SHOW
NUMBERCall Seller

15 0

2022 Kenworth T680 Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Newly Listed

$69,900 USD

Qualifies for Fed Ex Service. Certified!! Certified!! KWS Certified Pre-Owned / 114-point Inspection / 1 year or 125,000 miles warranty included. Call for Details

Condition	Used
Usage	489,951 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	NJ124321
MLS Number	13055553
Category	Sleeper Semi Trucks
Last Updated	8/17/2024
Location	Hagerstown, MD, US
Sold By	Truck Enterprises Inc.

22 0

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

Recently Updated

$66,000 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	488,190 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	8/16/2024
Location	Capitol Heights, MD, US
Sold By	Penske Used Trucks

(833) 970-___ SHOW
NUMBERCall Seller

15 0

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Autoshift Amt

Recently Updated

$69,900 USD

Clean sleeper. ready to work. Cummins power. Please look at pics and call Clearfield today to schedule a test drive

Condition	Used
Usage	10,483 Hours
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
Suspension	Air Glide
Rear Axle	Tandem Axle
Stock Number	272035
MLS Number	12726615
Category	Sleeper Semi Trucks
Last Updated	8/16/2024
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

28 0

2018 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Recently Updated

$52,750 USD

SPECIAL PROMOTION - Original Price: $59750.00 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	546,238 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	DD15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear End	40,000 lb 2.41 ratio
Stock Number	20382
MLS Number	12637572
Category	Sleeper Semi Trucks
Last Updated	8/15/2024
Location	Rochester, NY, US
Sold By	Penske Used Trucks

(833) 300-___ SHOW
NUMBERCall Seller

36 1

2023 Peterbilt 567 Sleeper Semi Truck - Paccar 510HP, 12 Speed Automatic

Newly Listed

Call for price

315898 Miles, Engine: PACCAR MX-13, 510 HP, Fuel Type: Diesel, 12 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheels: All Aluminum, Wheel Base: 228, Tandem Rear Axles,...

Condition	Used
Usage	315,898 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.58 ratio
Stock Number	C-35786
MLS Number	13051608
Category	Sleeper Semi Trucks
Last Updated	8/16/2024
Location	Champlain, NY, US
Sold By	Gamache Truck Center

22 0

2018 Volvo VNL64670 Sleeper Semi Truck - 61" Integral Sleeper, 500HP, 12 Speed Automatic

Recently Updated

$45,250 USD

SPECIAL PROMOTION - Original Price: $50250.00 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	711,297 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	61"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.42 ratio
Stock Number	185776
MLS Number	12805017
Category	Sleeper Semi Trucks
Last Updated	8/15/2024
Location	Rochester, NY, US
Sold By	Penske Used Trucks