Used 12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

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1-25 of 468 results
1-25 of 468 results
Featured Item
2022 Peterbilt 579 Sleeper Semi Truck
18 2

2022 Peterbilt 579 Sleeper Semi Truck

$84,900 USD
New Body-style Peterbilt 579 Ultraloft Sleeper Discover the ultimate long haul truck that combines power, comfort, and state-of-the-art technology. This new body style Peterbilt 579...
ConditionUsed
Usage361,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeUltraLoft
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number1314335
MLS Number13415006
CategorySleeper Semi Trucks
Last Updated5/14/2025
Location
Atlanta, GA, US
Sold By

Rush Truck Centers Atlanta

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Newly Listed
$70,750 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;...
ConditionUsed
Usage484,410 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberUPP235167
MLS Number13587318
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Newly Listed
$73,750 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;...
ConditionUsed
Usage450,853 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberUPP235163
MLS Number13587317
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
Ontario, CA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
27 0

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

Newly Listed
$78,250 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;...
ConditionUsed
Usage400,666 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberUPP235149
MLS Number13587316
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
21 0

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

Recently Updated
$68,250 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;...
ConditionUsed
Usage394,075 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number363291
MLS Number12862594
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Phoenix, AZ, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
24 0

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

Newly Listed
$47,000 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;...
ConditionUsed
Usage588,781 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.80 ratio
Stock Number321767
MLS Number13586626
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
Louisville, KY, US
Sold By

Penske Used Trucks

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage548,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399381
MLS Number13586523
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage526,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399376
MLS Number13586522
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage539,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399372
MLS Number13586521
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage399,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399406
MLS Number13586520
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage429,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399405
MLS Number13586519
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage395,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399404
MLS Number13586518
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage416,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399403
MLS Number13586516
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage454,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399402
MLS Number13586515
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage456,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399401
MLS Number13586514
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage430,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399398
MLS Number13586513
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage546,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399394
MLS Number13586512
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage500,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399393
MLS Number13586511
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage375,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399392
MLS Number13586510
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
12 0

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

Newly Listed
Call for price
X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,
ConditionUsed
Usage448,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Rear AxleTandem Axle
Stock Number399391
MLS Number13586509
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Recently Updated
$52,000 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;...
ConditionUsed
Usage496,174 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number367038
MLS Number13571062
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Harrisburg, PA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Newly Listed
$59,750 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;...
ConditionUsed
Usage466,076 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number359620
MLS Number13586443
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
West Sacramento, CA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Recently Updated
$44,500 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;...
ConditionUsed
Usage597,295 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number359591
MLS Number13395945
CategorySleeper Semi Trucks
Last Updated5/18/2025
Location
Madison, AL, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

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

Recently Updated
$63,500 USD
SPECIAL PROMOTION - Original Price: $66500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage276,528 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number354278
MLS Number13446951
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
Lafayette, LA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
2 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed
$74,000 USD
NEW VIRGIN RUBBER, X15 CUMMINS ENGINE,COLLISION MITIGATION SYSTEM
Inspection Report
ConditionUsed
Usage313,534 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number502626
MLS Number13586433
CategorySleeper Semi Trucks
Last Updated5/17/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

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