Heavy Duty 12 Speed Sleeper Semi Trucks For Sale

Your Current Search

Industry
Trucks

Category
Sleeper Semi Trucks

GVWR Category
Heavy Duty

Transmission Speeds
12 Speed

Click the to remove the filter.

Save Search

Email Alert

What's Save Search and Email Alert?

Narrow Your Search

Keyword Search

Search within the selected criteria

Industry

Featured Item

11 0

2019 Volvo VNL64760 Sleeper Semi Truck - 70" Integral Sleeper, 455HP, 12 Speed Automatic

$56,500 USD

SPECIAL PROMOTION - Original Price: $63500.00 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	602,912 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	317382
MLS Number	11434820
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Colorado Springs, CO, US
Sold By	Penske Used Trucks

(855) 942-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

12 0

2018 Volvo VNL64T780 Sleeper Semi Truck - 77" Raised Roof Sleeper, D13 455HP, 12 Speed I Shift Automatic

$36,500 USD

BRAND NEW CLUTCH!! 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...

Condition	Used
Usage	669,969 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	77"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	173
MLS Number	12843800
Category	Sleeper Semi Trucks
Last Updated	10/11/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

21 0

2018 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins, 12 Speed Endurant Automatic

Price Drop

$42,950 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	466,644 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	220
MLS Number	13042950
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

13 0

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	9/27/2024
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 693-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

24 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" INTEGRAL SLEEPER, 400HP, 12 Speed Automatic

$50,500 USD

SPECIAL PROMOTION - Original Price: $53500.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...

Condition	Used
Usage	578,424 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.27 ratio
Stock Number	712523
MLS Number	10884208
Category	Sleeper Semi Trucks
Last Updated	9/23/2024
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

(855) 942-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

14 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck

$38,900 USD

2016 Freightliner Cascadia 125 High Rise Sleeper, Detroit DD15 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 475/505 HP Engine, Detroit DT12, 12 Speed Automated Transmission, 2017 US EPA Label,...

Condition	Used
Usage	12,817 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit Detroit Diesel DD15 EV
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Hi Rise Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	250301
MLS Number	13104685
Category	Sleeper Semi Trucks
Last Updated	10/17/2024
Location	Mcdonough, GA, US
Sold By	The Truck and Trailer Connection INC

(866) 714-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

17 0

2016 Freightliner Cascadia 125 Evolution Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$31,900 USD

2016 Freightliner Cascadia Evolution, 12 Speed Automatic, Lots of work done to this truck recently including head gaskets, turbo and more and it is ready to go!!,

Condition	Used
Usage	714,019 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	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
MLS Number	12963381
Category	Sleeper Semi Trucks
Last Updated	9/25/2024
Location	Ravenel, SC, US
Sold By	Ravenel Truck & Equipment

(855) 560-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

19 0

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

Featured Item

10 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit, 12 Speed Dt12 Automatic

$54,999 USD

8 Brand New Drive Tires. Almost new Condition. Fleet Maintained Clean Truck Great condition and well maintained fleet truck. 8 Brand New Tires. Ready to make $$$$$. OK Credit, Bad Credit,...

Condition	Used
Usage	503,837 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
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	12755826
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

8 0

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

$81,999 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	348,433 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	12297404
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

9 0

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	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

23 0

2019 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Featured Item

11 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Featured Item

11 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$53,250 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	627,082 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	276937
MLS Number	11476077
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Duncansville, PA, US
Sold By	Penske Used Trucks

(855) 942-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

11 0

2018 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$48,750 USD

SPECIAL PROMOTION - Original Price: $51750.00 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	580,658 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	316151
MLS Number	11434817
Category	Sleeper Semi Trucks
Last Updated	9/23/2024
Location	Concord, NC, US
Sold By	Penske Used Trucks

(855) 942-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Featured Item

11 0

2020 Freightliner T12664ST Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

$45,000 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	684,702 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	303814
MLS Number	11356374
Category	Sleeper Semi Trucks
Last Updated	10/19/2024
Location	Neenah, WI, US
Sold By	Penske Used Trucks

(855) 942-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

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	9/24/2024
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

16 0

2024 Western Star 49X Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 600HP, 12 Speed Dt12 Amt

Newly Listed

$211,900 USD

New 2024 WESTERN STAR 49X: DETROIT DD16 15.6L 600 HP 2050 LB-FT, Detroit DT12, Dual Parked Battery APU, Disc Brakes, 259" WB. Ask about Financing Purchased Coverages. Price includes FET!,

Condition	New
Usage	301 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	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	EQ00203299
MLS Number	13178569
Category	Sleeper Semi Trucks
Last Updated	10/16/2024
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(866) 751-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

23 0

2020 Western Star 5700XE Sleeper Semi Truck - Detroit 450HP, 12 Speed Automatic

$42,119 USD

$8,120 Total Due - 30 DAYS NO PAYMENT - NO CREDIT CHECK - EASY APPROVAL! Hablamos español! FreedomWay Trucks offers a unique program that bypasses traditional requirements with NO CREDIT...

Condition	Used
Usage	530,634 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	5622
MLS Number	13174162
Category	Sleeper Semi Trucks
Last Updated	10/12/2024
Location	Gulfport, MS, US
Sold By	FreedomWay Trucks

(877) 841-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

31 0

2020 Western Star 5700XE Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic

$64,950 USD

1 MATCHING UNIT! CALL TIPTON FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	269,892 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	LLLU7485
MLS Number	13124413
Category	Sleeper Semi Trucks
Last Updated	10/5/2024
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 940-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

28 0

2020 Western Star 5700XE Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Endurant Automatic

$56,950 USD

1 MATCHING UNIT! CALL TIPTON FOR TRUCK AND TRAILER SALES!,

Condition	Used
Usage	410,486 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	LLLM7842
MLS Number	13124402
Category	Sleeper Semi Trucks
Last Updated	10/5/2024
Location	Odenville, AL, US
Sold By	Used Truck and Trailer, Inc.

(844) 940-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

26 0

2019 Western Star 5700XE Sleeper Semi Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$33,100 USD

$7,120 Total Due - 30 DAYS NO PAYMENT - NO CREDIT CHECK - EASY APPROVAL! Hablamos español! FreedomWay Trucks offers a unique program that bypasses traditional requirements with NO CREDIT...

Condition	Used
Usage	599,932 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	5581
MLS Number	13027613
Category	Sleeper Semi Trucks
Last Updated	10/12/2024
Location	Gulfport, MS, US
Sold By	FreedomWay Trucks

(877) 841-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

7 0

2017 Western Star 5700XE Sleeper Semi Truck - 66" Mid Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Amt

$22,000 USD

nice truck, ruins great, very clean, air seats, double bunk, differential lock, dump valve, cruise, tilt/tele, A/S 5th wheel, APU, heated mirrors, smart wheel,,

Condition	Used
Usage	762,092 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x2
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	66"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	17DET666WS
MLS Number	12989731
Category	Sleeper Semi Trucks
Last Updated	7/16/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

16 0

2016 Western Star 5700XE SLP Sleeper Semi Truck

$35,900 USD

This Truck has had a Motor swap.. DD-15 505 HP Tunes 20k in receipts in recent work Cloth Interior- 536610 miles-, DD15-, Detroit-, 14.8 lt-, 455 HP-, Torque 1800-, DT12-, Automated-...

Condition	Used
Usage	535,610 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	Single Bunk
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.41 ratio
Stock Number	hg5614
MLS Number	12892052
Category	Sleeper Semi Trucks
Last Updated	9/24/2024
Location	Dupo, IL, US
Sold By	Genesis Equipment Leasing

(833) 985-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

23 0

2025 Western Star 57X Sleeper Semi Truck - 72" Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Amt

Newly Listed

$193,400 USD

NEW!!! 57X MID ROOF FLATBED HAULER!!!! DD15/505hp, DT12 AUTOMATED TRANSMISSION with 60 MONTH/750,000 Mile Warranty. Call for more information

Condition	Used
Usage	531 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	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	108920
MLS Number	13184634
Category	Sleeper Semi Trucks
Last Updated	10/18/2024
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(866) 751-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

Heavy Duty 12 Speed Sleeper Semi Trucks For Sale

Penske Used Trucks

First Class 8 Truck Sales

First Class 8 Truck Sales

First Class 8 Truck Sales

Penske Used Trucks

The Truck and Trailer Connection INC

Ravenel Truck & Equipment

First Class 8 Truck Sales

Selma Truck Sales

Selma Truck Sales

Selma Truck Sales

Penske Used Trucks

Penske Used Trucks

Penske Used Trucks

Penske Used Trucks

Penske Used Trucks

Selma Truck Sales

Boyd Truck Centers

FreedomWay Trucks

Used Truck and Trailer, Inc.

Used Truck and Trailer, Inc.

FreedomWay Trucks

Don Baskin Truck Sales

Genesis Equipment Leasing

Boyd Truck Centers