Diesel 12 Speed Trucks For Sale

(541) 480-___ SHOW
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32 0

2022 Peterbilt 579 Cabover Sleeper With 54' Great Dane Trailer

Price Drop

$129,500 USD

This is a very nice one owner truck that has mostly traveled the I5 lane. It has been well maintained, with excellent tires 13,200 front axle and suspension with front air disc...

Condition	Used
Usage	331,517 Miles
Duty Class	Heavy Duty Cabover with Sleeper
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	UltraLoft
Sleeper Size	80"
MLS Number	13441176
Category	Cabover Sleepers
Last Updated	3/29/2025
Location	Eugene, OR, US
Sold By	Skyline Equipment Co.

(844) 693-___ SHOW
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19 0

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

$41,950 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	3/28/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(844) 985-___ SHOW
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32 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, Automatic

$62,999 USD

Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, 12 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 76, Wheels: Aluminum, Wheel...

Condition	Used
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	8679735
MLS Number	13383931
Category	Sleeper Semi Trucks
Last Updated	3/21/2025
Location	Indianapolis, IN, US
Sold By	JX Truck Center

(866) 751-___ SHOW
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14 0

2019 Freightliner Cascadia 126 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Amt

$32,500 USD

180 DAY/50K MILE WARRANTY INCLUDED!!!! A clean truck, Automatic!!! Call for more information,

Condition	Used
Usage	508,207 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	108729
MLS Number	13418170
Category	Day Cab Semi Trucks
Last Updated	3/11/2025
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(833) 658-___ SHOW
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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	4/3/2025
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(833) 695-___ SHOW
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26 0

2020 International LT625 Sleeper Semi Truck

$46,100 USD

Call for rental/lease prices

Double Bunk Completely reconditioned,, ready for new owner . Cummins 15 litre auto trans double bunk Price includes 90 day 25,000 mile limited warrenty Lease or finance OAC

Warranty

Quantity	2
Condition	Used
Usage	416,439 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Double Bunk
Rear Axle	Tandem Axle
Stock Number	21450
MLS Number	12934384
Category	Sleeper Semi Trucks
Last Updated	3/20/2025
Location	Benicia, CA, US
Sold By	NorCal Truck Sales and Mfg.

(833) 220-___ SHOW
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8 0

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

$84,999 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	329,502 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	12975900
Category	Sleeper Semi Trucks
Last Updated	3/12/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

(833) 220-___ SHOW
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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	3/12/2025
Location	Selma, CA, US
Sold By	Selma Truck Sales

19 0

2021 Freightliner Cascadia 126 Day Cab Truck - 505HP, 12 Speed Automatic

Recently Updated

$68,500 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	229,686 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	4949
MLS Number	13478565
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	Fitchburg, MA, US
Sold By	Penske Used Trucks

18 0

2021 Freightliner Cascadia 126 Day Cab Truck - 455HP, 12 Speed Automatic

Recently Updated

$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	481,848 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Size	0"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	4821
MLS Number	12932145
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	Braintree, MA, US
Sold By	Penske Used Trucks

26 0

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$90,250 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	245,038 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 2.64 ratio
Stock Number	UPS234911
MLS Number	13478479
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

23 0

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$58,750 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	522,594 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 2.64 ratio
Stock Number	UPS234968
MLS Number	13501457
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Chicago Ridge, IL, US
Sold By	Penske Used Trucks

25 0

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$57,250 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	541,433 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 2.64 ratio
Stock Number	UPP235121
MLS Number	13447382
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

28 0

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$83,500 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	349,611 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 2.64 ratio
Stock Number	UPP235099
MLS Number	13478471
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Jurupa Valley, CA, US
Sold By	Penske Used Trucks

19 0

2019 Volvo VNR42300 Single Axle Day Cab Truck - 405HP, 12 Speed Automatic

Recently Updated

$37,000 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	246,209 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	D13
Transmission	12 Speed Automatic
Sleeper Size	0"
Rear Axle	Single Axle
Rear End	23,000 lb
Stock Number	29175
MLS Number	13369470
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	Mount Juliet, TN, US
Sold By	Penske Used Trucks

19 0

2022 Freightliner Cascadia 126 Day Cab Truck - 475HP, 12 Speed Automatic

Newly Listed

$43,250 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	711,103 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	475 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Size	0"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.42 ratio
Stock Number	421969
MLS Number	13501456
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	Flat Rock, MI, US
Sold By	Penske Used Trucks

21 0

2022 Freightliner Cascadia 126 Day Cab Truck - 450HP, 12 Speed Automatic

Newly Listed

$76,750 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	269,448 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Size	0"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	401168
MLS Number	13501454
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	Bethlehem, PA, US
Sold By	Penske Used Trucks

19 0

2022 Freightliner Cascadia 126 Single Axle Day Cab Truck - 410HP, 12 Speed Automatic

Price Drop

$56,500 USD

SPECIAL PROMOTION - Original Price: $59500.00 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	395,637 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Size	0"
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.21 ratio
Stock Number	419429
MLS Number	13482056
Category	Day Cab Semi Trucks
Last Updated	4/5/2025
Location	West Sacramento, CA, US
Sold By	Penske Used Trucks

24 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$55,250 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	612,115 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	389017
MLS Number	13321488
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Milwaukee, WI, US
Sold By	Penske Used Trucks

23 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 505HP, 12 Speed Automatic

Price Drop

$59,250 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	676,837 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	390318
MLS Number	13387339
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Anaheim, CA, US
Sold By	Penske Used Trucks

27 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, 455HP, 12 Speed Automatic

Price Drop

$53,500 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	734,945 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	394061
MLS Number	13369402
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Fitchburg, MA, US
Sold By	Penske Used Trucks

23 0

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$63,500 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	455,728 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 3.25 ratio
Stock Number	386046
MLS Number	12885879
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Longview, TX, US
Sold By	Penske Used Trucks

(844) 900-___ SHOW
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49 1

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 12 Speed Dt12 Automatic

Newly Listed

Call for price

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC 10-SPEED!!! DEF, SLIDING 5TH WHEEL, HSA OVRD, ENG SHDN, ATC Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!!...

Condition	Used
Usage	594,076 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.25 ratio
Stock Number	B03501-DELIVERY 2 U
MLS Number	13501299
Category	Sleeper Semi Trucks
Last Updated	4/5/2025
Location	Bakersfield, CA, US
Sold By	Diamond Truck Sales Inc