Used Diesel 12 Speed Trucks For Sale

Featured Item

17 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$44,950 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	663,050 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 3.08 ratio
Stock Number	282
MLS Number	13302520
Category	Sleeper Semi Trucks
Last Updated	2/8/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(888) 493-___ SHOW
NUMBERCall Seller

Featured Item

15 2

2025 International LT625 Day Cab Truck

$114,977 USD

For Sale: 2025 International LT625 4x2 Daycab – Stock #1750673 This used LT625 4x2 daycab is a smart choice for those who know that used is often better than new. With only 42,497 miles and...

Warranty

Quantity	8
Condition	Used
Usage	42,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	4x2
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 2.87 ratio
Stock Number	1750673
MLS Number	13386108
Category	Day Cab Semi Trucks
Last Updated	2/10/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

(256) 605-___ SHOW
NUMBERCall Seller

Featured Item

39 0

2024 International LT625 Day Cab Truck

Price Drop

$59,000 USD

NICE FULLY LOADED TRUCK, READY FOR WORK MILEAGE:87,814 ENGINE: INTERNATIONAL A26 TRANSMISSION: EATON 12 SPEED AUTO BENDIX FUSION COLLISION SAFETY SYSTEM PDL DIFF LOCK AND TRACTION...

Condition	Used
Usage	87,814 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Rear Axle	Tandem Axle
MLS Number	13322119
Category	Day Cab Semi Trucks
Last Updated	2/6/2025
Location	Rainsville, AL, US
Sold By	Hill Automotive

(866) 751-___ SHOW
NUMBERCall Seller

Featured Item

13 0

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

$66,500 USD

LOW MILES!!!!! CLEAN, and READY! This sleeper is in very good condition. It has the DT12 auto and DD15 Detroit power. Call for more information

Condition	Used
Usage	429,302 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 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 2.85 ratio
Stock Number	109092
MLS Number	13178735
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(844) 216-___ SHOW
NUMBERCall Seller

Featured Item

1 0

2017 Kenworth T680 Sleeper Semi Truck - Paccar 455HP, 12 Speed Endurant Amt

$29,900 USD

MX-13 Paccar, 455 HP, *Rep Photos*, Automatic, Collision Mitigation, Adaptive Cruise, Very Clean, Mid-Roof with Single Bunk, Alum Polished Wheels, Dual Tanks, Stationary 5th Wheel, Dual Air...

Condition	Used
Usage	625,879 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	FM0721
MLS Number	13372758
Category	Sleeper Semi Trucks
Last Updated	2/2/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(888) 493-___ SHOW
NUMBERCall Seller

Featured Item

26 1

2020 International LT625 Sleeper Semi Truck

$44,977 USD

For Sale: 2020 International LT625 Sleeper – Fully Serviced and Road Ready!, Specifications:, Engine: Cummins X15, Transmission: Eaton Endurant automated, Rear Axle Ratio: 2.85 direct...

Quantity	5
Condition	Used
Usage	502,755 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Sky Rise Pro Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	1851253
MLS Number	13351288
Category	Sleeper Semi Trucks
Last Updated	2/10/2025
Location	Atlanta, GA, US
Sold By	Rush Truck Centers Atlanta

Featured Item

19 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$44,950 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	570,763 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 3.08 ratio
Stock Number	289
MLS Number	13318782
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

18 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$29,950 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	660,143 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 3.08 ratio
Stock Number	285
MLS Number	13314541
Category	Sleeper Semi Trucks
Last Updated	2/12/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

Featured Item

19 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$34,950 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	661,226 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 3.08 ratio
Stock Number	274
MLS Number	13302624
Category	Sleeper Semi Trucks
Last Updated	2/7/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 900-___ SHOW
NUMBERCall Seller

Featured Item

42 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Endurant Automatic

$38,900 USD

****VIRGIN TIRES!!!**** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!! ENGINE BRAKE, TC, DEF, 5TH WHEEL Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Duty Class	Heavy Duty Day Cab Truck
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	4x2
Transmission	12 Speed Endurant Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Stock Number	L01102-VIRGIN TIRES
MLS Number	13252578
Category	Day Cab Semi Trucks
Last Updated	1/16/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(844) 900-___ SHOW
NUMBERCall Seller

Featured Item

45 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic

$39,900 USD

****VIRGIN TIRES!!!**** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATED!!! ENGINE BRAKE, DEF, ALUMNIMIUM 5TH WHEEL, TC, ENG FAN, Se Habla Español! NO CREDIT? BAD...

Condition	Used
Duty Class	Heavy Duty Day Cab Truck
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	4x2
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Stock Number	L01132-VIRGIN TIRES
MLS Number	13258340
Category	Day Cab Semi Trucks
Last Updated	1/16/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

(833) 658-___ SHOW
NUMBERCall Seller

Featured Item

60 1

2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler

$39,999 USD

2022 Peterbilt 579 Day Cab Stock: 758620 VIN:1XPBAP8X6ND758620, Year: 2022 Make: Peterbilt Model:579 Engine:PACCAR MX-13, 12.9L Mileage: 52524, Horsepower: 405HP Fuel type:...

Condition	Used
Usage	2,082 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	4x2
Transmission	12 Speed Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	22,700 lb
Stock Number	758620
MLS Number	12938258
Category	Day Cab Semi Trucks
Last Updated	2/10/2025
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(833) 658-___ SHOW
NUMBERCall Seller

Featured Item

60 1

2022 Peterbilt 579 Day Cab Truck, Hauling, City Truck, Automatic Trans, Tractor, Air Ride Suspension, Delivery, Moving, Single Axle, Trailer, Hauler

$39,999 USD

2022 Peterbilt 579 Day Cab Stock: 758632 VIN:1XPBAP8X2ND758632, Year: 2022 Make: Peterbilt Model:579 Engine:PACCAR MX-13, 12.9L Mileage: 83313, Horsepower: 405HP Fuel type:...

Condition	Used
Usage	83,313 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Paccar
Drivetrain	4x2
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	22,700 lb
Stock Number	758632
MLS Number	12938265
Category	Day Cab Semi Trucks
Last Updated	2/10/2025
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(855) 560-___ SHOW
NUMBERCall Seller

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	1/15/2025
Location	Ravenel, SC, US
Sold By	Ravenel Truck & Equipment

(844) 900-___ SHOW
NUMBERCall Seller

Featured Item

38 1

2021 Peterbilt 579 Single Axle Day Cab Truck - Paccar 430HP, 12 Speed Automatic

$39,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** ALUMINUM 5TH WHEEL!!! ENGINE BRAKE, TC, DEF, AUTOMATIC Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A...

Condition	Used
Usage	289,596 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	4x2
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	20,000 lb 2.93 ratio
Stock Number	B02835-DELIVERY 2 U
MLS Number	12902963
Category	Day Cab Semi Trucks
Last Updated	1/16/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc

(678) 997-___ SHOW
NUMBERCall Seller

Featured Item

10 0

2021 Western Star 4700SF Day Cab Truck

$68,000 USD

For further information on quality used equipment please contact the following: MJ Leasing and Sales, LLC Brandon Speed Cell: 678-332-8498 Email:sales@mjleasingandsales.com

Condition	Used
Usage	360,251 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	525 HP
Engine Model	Detroit DD13L
Emission Rating	GEN 5
Drivetrain	4x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Stock Number	101-1384
MLS Number	12645552
Category	Day Cab Semi Trucks
Last Updated	1/16/2025
Location	MAYSVILLE, GA, US
Sold By	MJ Leasing & Sales, LLC

22 0

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

Price Drop

$59,750 USD

MANAGERS SPECIAL 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;...

Condition	Used
Usage	529,775 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	2/16/2025
Location	Pell City, AL, US
Sold By	Penske Used Trucks

(833) 801-___ SHOW
NUMBERCall Seller

7 0

2018 Kenworth T680 Sleeper Semi Truck - 75" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Newly Listed

$13,000 USD

CLEAN TRUCK, air seats, air brakes, differential lock, dump valve, A/S 5th, power windows, power mirrors, heated mirrors, tilt/tele, smart wheel, tilt/tele, heated mirrors, *ENGINE HAS A...

Condition	Used
Usage	721,709 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	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	18MX721T680
MLS Number	13401723
Category	Sleeper Semi Trucks
Last Updated	2/16/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 984-___ SHOW
NUMBERCall Seller

20 0

2021 Kenworth T680 Day Cab Truck - Paccar 455HP, 12 Speed Amt

Newly Listed

$75,095 USD

Model Year: 2021, Model: T680, Engine: PACCAR MX-13, 455 HP, Transmission: PACCAR TX-12 PO16F112C, 12 SPD, Front Axle: 12,500 lbs Front Brakes: Bendix 16.5x6, Rear Axle: 40,000 lbs Rear...

Condition	Used
Usage	197,197 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	AG 400
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	810-3010
MLS Number	13401720
Category	Day Cab Semi Trucks
Last Updated	2/16/2025
Location	Rosedale, MD, US
Sold By	All Roads Trucks

18 0

2020 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

Price Drop

$75,750 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	111,873 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	435 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	303200
MLS Number	13311796
Category	Day Cab Semi Trucks
Last Updated	2/16/2025
Location	Port Allen, LA, US
Sold By	Penske Used Trucks

18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 435HP, 12 Speed Automatic

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

Price Drop

$51,500 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	778,516 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 2.28 ratio
Stock Number	235671
MLS Number	13385549
Category	Sleeper Semi Trucks
Last Updated	2/16/2025
Location	Duluth, GA, US
Sold By	Penske Used Trucks

18 0

2019 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Price Drop

$54,750 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	333,740 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	237435
MLS Number	13378531
Category	Day Cab Semi Trucks
Last Updated	2/16/2025
Location	Pell City, AL, US
Sold By	Penske Used Trucks