12 Speed Trucks with Cummins Engines For Sale

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

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

$56,500 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
Usage495,000 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 Number294313
MLS Number13649305
CategorySleeper Semi Trucks
Last Updated6/17/2025
Location
Kansas City, MO, US
Sold By

Penske Used Trucks

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
7 0

2021 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Price Drop
$43,000 USD
Inspection Report
ConditionUsed
Usage463,616 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number503267
MLS Number13646399
CategoryDay Cab Semi Trucks
Last Updated7/3/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
6 0

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

$74,500 USD
Inspection Report
ConditionUsed
Usage335,886 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 Number502908
MLS Number13646392
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
6 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$57,500 USD
Inspection Report
ConditionUsed
Usage335,530 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number502828
MLS Number13646379
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
6 0

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

$71,500 USD
Inspection Report
ConditionUsed
Usage394,162 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 Number503140
MLS Number13646378
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Tampa, FL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
25 0

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

$48,000 USD
SPECIAL PROMOTION - Original Price: $51000.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage530,099 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 Number338055
MLS Number13603462
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
San Antonio, TX, US
Sold By

Penske Used Trucks

Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
33 0

2021 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$63,900 USD
2021 Peterbilt 579 Ultraloft – 1 Owner Fleet Maintained Peterbilt 579! This is one clean southern truck! 450HP Cummins X15 Engine, 12 Speed Eaton Automatic Transmission! Only 391k miles! ...
ConditionUsed
Usage391,131 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number756173
MLS Number13506261
CategorySleeper Semi Trucks
Last Updated6/14/2025
Location
Byron Center, MI, US
Sold By

5 Star Truck Sales, Inc

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

$45,250 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
Usage634,179 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 3.25 ratio
Stock Number361107
MLS Number13644605
CategorySleeper Semi Trucks
Last Updated6/14/2025
Location
West Sacramento, CA, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
4 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$78,000 USD
Cummins X1512 Speed AutomatedNew Domestic Tires
Inspection Report
ConditionUsed
Usage172,813 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number503250
MLS Number13644348
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$53,500 USD
Inspection Report
ConditionUsed
Usage453,687 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.64 ratio
Stock Number503045
MLS Number13644347
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$72,500 USD
Inspection Report
ConditionUsed
Usage233,228 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number502640
MLS Number13644343
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
30 0

2021 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

$56,000 USD
Inspection Report
ConditionUsed
Usage322,913 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number503186
MLS Number13644337
CategoryDay Cab Semi Trucks
Last Updated6/13/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$61,500 USD
Inspection Report
ConditionUsed
Usage433,206 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number502831
MLS Number13644336
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
West Sacramento, CA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
33 0

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

$74,500 USD
Inspection Report
ConditionUsed
Usage325,647 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 Number502367
MLS Number13644325
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
West Sacramento, CA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2020 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$60,500 USD
Inspection Report
ConditionUsed
Usage372,861 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End40,000 lb 2.85 ratio
Stock Number502386
MLS Number13644324
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Springfield, MO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
6 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$61,500 USD
Inspection Report
ConditionUsed
Usage439,488 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number500838
MLS Number13644322
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Joliet, IL, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
31 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$59,000 USD
Inspection Report
ConditionUsed
Usage316,353 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number500707
MLS Number13526703
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$61,500 USD
Inspection Report
ConditionUsed
Usage447,415 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number502875
MLS Number13644319
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Commerce City, CO, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
34 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$67,500 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible.
Inspection Report
ConditionUsed
Usage348,407 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number500403
MLS Number13517250
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
30 0

2019 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

$27,500 USD
Manager's Special - Truck is Road Ready! Current Federal DOT Inspection � PM/B Wet Service Completed - OEM Warranty AvailableTruck comes with 60-Day Truck Protect Promise Coverage INCLUDES...
Inspection Report
ConditionUsed
Usage462,518 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.79 ratio
Stock Number499259
MLS Number13037806
CategoryDay Cab Semi Trucks
Last Updated6/13/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
2 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Price Drop
$52,900 USD
APU, Cummins X1512 Speed AutomatedDouble Bunk Sleeper
Inspection Report
ConditionUsed
Usage474,794 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number502208
MLS Number13644309
CategorySleeper Semi Trucks
Last Updated7/4/2025
Location
La Vergne, TN, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$54,500 USD
1 or 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations.
Inspection Report
ConditionUsed
Usage384,406 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeHi Rise Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear End20,000 lb 2.79 ratio
Stock Number500706
MLS Number13492091
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
33 0

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$63,000 USD
Inspection Report
ConditionUsed
Usage411,670 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear End20,000 lb 2.85 ratio
Stock Number501128
MLS Number13641806
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
28 0

2019 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$49,000 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
Usage563,611 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 3.25 ratio
Stock Number332615
MLS Number13641462
CategorySleeper Semi Trucks
Last Updated6/12/2025
Location
San Diego, CA, US
Sold By

Penske Used Trucks

Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic
29 0

2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Automatic

$44,500 USD
FLEET MAINTAINED PETERBILT 579, CUMMINS X15 POWERED, 12 SPD AUTOMATIC TRANSMISSION, COLLISION MITIGATION SYSTEM, DIFF LOCKERS, ENGINE BRAKE, NEW VIRGIN RUBBER! PLENTY TO CHOOSE FROM. Please...
Quantity6
ConditionUsed
Usage414,137 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number6914
MLS Number13415761
CategoryDay Cab Semi Trucks
Last Updated6/12/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

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