12 Speed Sleeper Semi Trucks For Sale

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2020 Peterbilt 579 Sleeper Semi Truck - PACCAR MX13 EPA 17, 12 speed auto, 80 inch sleeper, 455 HP 566,000 miles only 11,000 hours on engine

Newly Listed

$44,000 USD

2020 Peterbilt 579, PACCAR MX13 EPA 17, 12 speed auto, 80 inch sleeper, 455 HP 566,000 miles only 11,000 hours on engine, runs great, no issues. Very low idle time 242” wheel base, headache...

Condition	Used
Usage	11,000 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX13 EPA17
Transmission	12 Speed Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
MLS Number	14050972
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Fresno, CA, US
Sold By	Private Party

(833) 220-___ SHOW
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2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

Price Drop

$39,999 USD

CLEAN FLEET MAINTAINED TRUCK GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,

Condition	Used
Usage	584,231 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13998248
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
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2021 Volvo VNL64T760 Sleeper Semi Truck - Raised Roof Sleeper, D13, 12 Speed I Shift Automatic

Price Drop

$56,999 USD

CLEAN FLEET MAINTAINED TRUCK BRAND NEW DRIVE TIRES GOOD CREDIT, OKAY CREDIT, BAD CREDIT NO PROBLEM CONTACT ADAM AT,

Condition	Used
Usage	469,306 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Volvo D13
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
MLS Number	13955622
Category	Sleeper Semi Trucks
Last Updated	12/19/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

(844) 940-___ SHOW
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18 0

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

$54,999 USD

FEDEX SPEC CALL TIPTON CONQUEST FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	474,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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
MLS Number	13813860
Category	Sleeper Semi Trucks
Last Updated	12/22/2025
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(903) 670-___ SHOW
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4 0

2019 Peterbilt 579 Sleeper Semi Truck

$30,000 USD

We have 4 2019 Peterbilt 579 with a MX13 under 500,000 miles. These trucks have a 12-speed automatic transmission, good rubber with disc brakes. We have 4 unit available and ready to go on...

Warranty

Quantity	4
Condition	Used
Usage	442,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	380 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Sleeper Type	Ultracab Unibilt
Sleeper Size	80"
MLS Number	14028244
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Athens, TX, US
Sold By	Athens Trailer & Truck Sales, LLC.

(855) 489-___ SHOW
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42 0

2021 Kenworth T680 Sleeper Semi Truck - 72" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$49,000 USD

Super Clean! Fleet Maintained, Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), 455hp with Endurant 12 Speed Transmission, Aluminum Wheels,...

Condition	Used
Usage	412,535 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	2107
MLS Number	13693285
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 717-___ SHOW
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33 1

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

Price Drop

$49,900 USD

****!!! 8 NEW TIRES!!!**** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** COLLISION MITIGATION, AIR RIDE SEATS!!!! SLIDING 5TH WHEEL!!!!! Se Habla Español! NO CREDIT? BAD...

Condition	Used
Usage	558,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	N15165- 8 NEW TIRES
MLS Number	13804390
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(855) 717-___ SHOW
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38 1

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

Price Drop

$59,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF, AIR RIDE, AUTOMATIC, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:, “All...

Condition	Used
Usage	491,063 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 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	N15121-DELIVERY 2 U
MLS Number	13747992
Category	Sleeper Semi Trucks
Last Updated	12/16/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(844) 216-___ SHOW
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24 1

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

$47,000 USD

430,655 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Automatic, Double Bunk, Aluminum wheels, Battery APU, Collision Mitigation System, Inverter, Air Slide 5th Wheel,...

Condition	Used
Usage	430,655 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	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399405
MLS Number	13586519
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(844) 216-___ SHOW
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25 1

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, Automatic

$59,000 USD

Fleet Maintained, Stock MA9710, Miles 465,201, Detroit DD15, 505 HP, DT 12 Automatic, Refrigerator, New mattress, 2.85 Ratio, 225" WB, Dual Air Ride Seats, Double Bunk, Power Windows/Mirrors...

Condition	Used
Usage	465,201 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 2.85 ratio
Stock Number	MA9710
MLS Number	12701832
Category	Sleeper Semi Trucks
Last Updated	12/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(833) 490-___ SHOW
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19 0

2021 Volvo VNL Condo Sleeper, Disc Brakes, Fridge , Inverter , Warranty Options, Passing DOT , FINANCING AVAILABLE !!!

$62,950 USD

Don’t miss this prime 2021 Volvo VNL 760—only 401,737 well-maintained miles, 221 WB, ultra-efficient 2.64 rear ratio, and a luxurious 77" double-bunk sleeper loaded with a 2000W inverter,...

Warranty

Condition	Used
Usage	401,737 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	77"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 2.64 ratio
Stock Number	U272720
MLS Number	13972385
Category	Sleeper Semi Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(866) 543-___ SHOW
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Tri State Truck Center - Springfield, MO

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30 0

2021 Volvo VNL64T760 Sleeper Semi Truck

Contact for price

Equipped with a Volvo D13 engine rated at 425 horsepower and paired with a Volvo I-Shift, 12-speed automated manual transmission. It was manufactured in 2021 and has a 6x4 axle,...

Condition	Used
Usage	445,349 Miles
Horse Power	425 HP
Engine Model	Volvo D13
Transmission	12 Speed I Shift Automated
Rear End	2.64 ratio
Stock Number	283737
MLS Number	13875472
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Charlotte, NC, US
Sold By	Jayma Qualified, LLC

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25 0

2021 Volvo VNL64T760 Sleeper Semi Truck

Contact for price

283724, the vehicle was equipped, with a 425 horsepower Volvo D13 engine and a Volvo I-Shift 12-speed automated, transmission. The full spec sheet, based on the provided VIN, includes the...

Condition	Used
Horse Power	425 HP
Engine Model	Volvo D13
Transmission	12 Speed I Shift Automated
Suspension	Air Ride
Rear End	40,000 lb
Stock Number	283724
MLS Number	13875460
Category	Sleeper Semi Trucks
Last Updated	12/17/2025
Location	Charlotte, NC, US
Sold By	Jayma Qualified, LLC

(833) 657-___ SHOW
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5 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck

$41,990 USD

Truck is in very good condition, new oil change, no leaks, cold ac, newer brakes and tires, dd15 engine, automatic transmission

Condition	Used
Usage	12,891 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Double Bunk
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.15 ratio
MLS Number	12924901
Category	Sleeper Semi Trucks
Last Updated	12/18/2025
Location	Blue Island, IL, US
Sold By	DMC Logistics

21 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Newly Listed

$19,000 USD

Condition	Used
Usage	594,998 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	359163
MLS Number	14058750
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

23 0

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$44,000 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 490,309 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	497,499 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	359636
MLS Number	13581515
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Beaumont, TX, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$63,000 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 447,943 miles, 60" integral sleeper, 455 HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle....

Condition	Used
Usage	447,993 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352761
MLS Number	14014059
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	La Porte, IN, US
Sold By	Penske Used Trucks

23 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$48,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 623,630 miles, 455 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle,...

Condition	Used
Usage	623,630 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	351407
MLS Number	13803287
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Boaz, AL, US
Sold By	Penske Used Trucks

25 0

2020 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$46,250 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 342,265 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	342,265 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	353504
MLS Number	13657266
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

22 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$69,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 208,532 miles, 455HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle,...

Condition	Used
Usage	208,532 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	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	352265
MLS Number	13729841
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Newark, OH, US
Sold By	Penske Used Trucks

(844) 624-___ SHOW
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20 2

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 405HP, 12 Speed Endurant Amt

Price Drop

$64,950 USD

2022 Kenworth T680 – SUPER LOW MILES AND REMAING 5 year 500K mile Engine and AFTERTREATMENT WARRANTY, Built for serious operators, this 2022 Kenworth T680 delivers both comfort and...

Condition	Used
Usage	184,822 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
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
Stock Number	MO10770
MLS Number	13852434
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

24 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$53,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 581,346 miles, 455HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	581,346 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	286250
MLS Number	14013689
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Dalton, GA, US
Sold By	Penske Used Trucks

24 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$47,500 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck with 72" integral sleeper, 455HP DD15AT diesel engine, 12-speed automatic Detroit transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	651,085 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	286249
MLS Number	13867660
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Dalton, GA, US
Sold By	Penske Used Trucks

24 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Recently Updated

$53,250 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 580,585 miles, 455 HP DD15AT diesel engine, 72" integral sleeper, 12-speed Detroit automatic transmission, tandem rear axle....

Condition	Used
Usage	580,585 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	286248
MLS Number	14013687
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Dalton, GA, US
Sold By	Penske Used Trucks