12 Speed Sleeper Semi Trucks For Sale

25 2

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Dt12 Amt

Recently Updated

$42,500 USD

Fleet Maintained, Cummins X15, Stock LM9073, Miles 522,120, 500 HP (upgraded to 500hp), DT 12 Automatic, 2.64 Ratio, 223" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors, Working...

Condition	Used
Usage	522,120 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	LM9073
MLS Number	13282530
Category	Sleeper Semi Trucks
Last Updated	12/21/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

23 0

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

Recently Updated

$68,000 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	561,157 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	360740
MLS Number	13148895
Category	Sleeper Semi Trucks
Last Updated	12/21/2024
Location	Shreveport, LA, US
Sold By	Penske Used Trucks

7 0

2020 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Paccar 510HP, 12 Speed Automatic

Newly Listed

$46,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!, DIFFERENTIAL LOCK, LIQUID DEF, FULL FAIRINGS, TC, FRIDGE, VIRGIN TIRES!!, NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Usage	501,316 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14757-DELIVERY 2 U
MLS Number	13294883
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

7 0

2020 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Paccar 510HP, 12 Speed Automatic

Newly Listed

$48,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!, DIFFERENTIAL LOCK, LIQUID DEF, FULL FAIRINGS, TC, FRIDGE, VIRGIN TIRES!!, NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Usage	469,557 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14756-DELIVERY 2 U
MLS Number	13294876
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

6 0

2020 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Paccar 510HP, 12 Speed Automatic

Newly Listed

$48,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!, DIFFERENTIAL LOCK, LIQUID DEF, FULL FAIRINGS, TC, FRIDGE, VIRGIN TIRES!!, NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Usage	459,611 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14755-DELIVERY 2 U
MLS Number	13294871
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

7 0

2020 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Paccar 510HP, 12 Speed Automatic

Newly Listed

$48,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!, DIFFERENTIAL LOCK, LIQUID DEF, FULL FAIRINGS, TC, FRIDGE, VIRGIN TIRES!!, NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Usage	477,627 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	N14754-DELIVERY 2 U
MLS Number	13294851
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 984-___ SHOW
NUMBERCall Seller

24 0

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

Newly Listed

$164,900 USD

New 2024 Kenworth T680, White exterior with black frame, Cummins X15 500 HP @ 1700 RPM, 1650 lb-ft torque, Efficiency Series engine with engine brake, Eaton Endurant EEO16F112C 12-speed...

Condition	New
Usage	2,041 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	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	KF360365
MLS Number	13294775
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(855) 591-___ SHOW
NUMBERCall Seller

36 0

2019 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

Recently Updated

$34,900 USD

2019 Freightliner Cascadia 125 Evolution – 1 Owner Fleet Maintained Cascadia! This truck is a southern truck! Detroit DD15 Engine, Detroit DT12 Automatic Transmission, Double Bunk Condo...

Condition	Used
Usage	618,788 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	JK5517
MLS Number	13203699
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

(855) 907-___ SHOW
NUMBERCall Seller

19 0

2023 Peterbilt 579 Sleeper Semi Truck

Recently Updated

$66,950 USD

Multiple Units Available, Remainder of a 4 year 500k Factory Warranty, Navigation, Disc Brakes ,Gage Package, Fridge, 510hp, 1850 Torque 92 Point Dealer Inspection, Passing Dot, Complete...

Warranty

Condition	Used
Usage	424,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	HP3593
MLS Number	13223593
Category	Sleeper Semi Trucks
Last Updated	12/19/2024
Location	Strafford, MO, US
Sold By	HD Trucks LLC

(833) 986-___ SHOW
NUMBERCall Seller

28 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP

Recently Updated

$99,900 USD

505 HP!, stock: 259461, transmodel: DT12, cab type: Sleeper, engine type: DD15, dualbreathers: 0, dualexhaust: 0, xaxleconfiguration: Set Back Axle,

Condition	Used
Usage	330,912 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	259461
MLS Number	13266272
Category	Sleeper Semi Trucks
Last Updated	12/19/2024
Location	Tampa, FL, US
Sold By	Southport Truck Group

28 0

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

Recently Updated

$64,500 USD

SPECIAL PROMOTION - Original Price: $67500.00 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	658,492 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	379735
MLS Number	12397129
Category	Sleeper Semi Trucks
Last Updated	12/20/2024
Location	Fort Worth, TX, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$66,500 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	587,128 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	12/21/2024
Location	Lenexa, KS, US
Sold By	Penske Used Trucks

22 0

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

Recently Updated

$71,250 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	507,162 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	12/21/2024
Location	Fort Worth, TX, US
Sold By	Penske Used Trucks

30 3

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$49,900 USD

Drive Your Way With 5K Included - $5,000 Down Payment Assistance, Warranty Boost, or Tire Credit! See below for details!, Fleet Maintained, Stock 418056, Miles 555,906, Cummins X15, 500hp...

Condition	Used
Usage	555,906 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	418056
MLS Number	13149523
Category	Sleeper Semi Trucks
Last Updated	12/17/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

25 3

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$46,900 USD

Drive Your Way With 5K Included - $5,000 Down Payment Assistance, Warranty Boost, or Tire Credit! See below for details!, Fleet Maintained, Stock 416495, Miles 549,560, Cummins X15, 450 HP,...

Condition	Used
Usage	549,560 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	416495
MLS Number	13149518
Category	Sleeper Semi Trucks
Last Updated	12/17/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(866) 751-___ SHOW
NUMBERCall Seller

9 0

2020 Western Star 5700XE Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Amt

$39,500 USD

Well-Maintained, Double Bunk, Priced to sell. 180 DAY/15k miles WARRANTY included. Call now for details

Condition	Used
Usage	522,332 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	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	109258
MLS Number	13256393
Category	Sleeper Semi Trucks
Last Updated	12/13/2024
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

25 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$54,250 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	603,651 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	234119
MLS Number	13195903
Category	Sleeper Semi Trucks
Last Updated	12/13/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

25 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$51,250 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	665,343 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	234118
MLS Number	13215278
Category	Sleeper Semi Trucks
Last Updated	12/13/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

25 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

$54,500 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	602,112 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	234117
MLS Number	13215277
Category	Sleeper Semi Trucks
Last Updated	12/13/2024
Location	Parkersburg, WV, US
Sold By	Penske Used Trucks

25 2

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Dt12 Amt

$43,500 USD

Fleet Maintained, Stock LM9009, Miles 528,748, Cummins X15, 500 HP (upgraded to 500HP), DT 12 Automatic, 2.64 Ratio, 225" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors, Working...

Condition	Used
Usage	528,748 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	LM9009
MLS Number	13282526
Category	Sleeper Semi Trucks
Last Updated	12/12/2024
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 970-___ SHOW
NUMBERCall Seller

7 0

2025 Peterbilt 567 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 525HP, 12 Speed Endurant Amt

Call for price

Engine: CUMMINS X15, 525 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Low Air Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 44, Wheels: Polished...

Quantity	2
Condition	New
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	276482
MLS Number	13282524
Category	Sleeper Semi Trucks
Last Updated	12/14/2024
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(833) 300-___ SHOW
NUMBERCall Seller

39 1

2019 Mack Anthem 64T Sleeper Semi Truck - 62" Raised Roof Sleeper, MP8 505HP, 12 Speed M Drive Automatic

Call for price

1148862 Miles, 16312 Hours, Engine: MACK MP8, 505 HP, Fuel Type: Diesel, 12 Speed M Drive Automatic Transmission, Drive: 6x4, Mack Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size...

Condition	Used
Usage	16,312 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	62"
Suspension	Mack
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.40 ratio
Stock Number	C-905211
MLS Number	13282438
Category	Sleeper Semi Trucks
Last Updated	12/12/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(877) 705-___ SHOW
NUMBERCall Seller

11 0

2023 Kenworth W990 Sleeper Semi Truck - 40" Mid Roof Sleeper, Paccar 510HP, 12 Speed Automatic

$124,900 USD

HARD TO FIND, LOCAL TRADE, LOW MILES READY TO WORK!, THIS KW W990 HAS A PACCAR MX-13 510HP ENGINE, 12-SPPED AUTOMATED MANUAL TRANSMISSION, MATED TO3.70 REARS INTERIOR COMFORTS INCLUDE...

Condition	Used
Usage	262,168 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	40"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	PJ241556U
MLS Number	13215445
Category	Sleeper Semi Trucks
Last Updated	12/12/2024
Location	Harrisonburg, VA, US
Sold By	Truck Enterprises Inc.

(888) 680-___ SHOW
NUMBERCall Seller

11 0

2023 Kenworth W990 Sleeper Semi Truck - 40" Flat Top Sleeper, Paccar 510HP, 12 Speed Endurant Amt

$124,900 USD

RARE FIND W990 Sleeper, MX13 510 HP, 12 SPEED AUTOMATED, 3.70 AXLE RATIO, 255 WHEELBASE, 13200 FRONT, 40000 REAR, DUAL FUEL TANKS, 40 INCH MIDROOF SLEEPER, CLEAN AND READY TO ROLL. CALL FOR...

Condition	Used
Usage	262,302 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	40"
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	PJ241556u/chesa
MLS Number	13213273
Category	Sleeper Semi Trucks
Last Updated	12/12/2024
Location	Chesapeake, VA, US
Sold By	Truck Enterprises Inc.