12 Speed Trucks with Cummins Engines For Sale

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Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
30 3

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$75,950 USD
2023 Peterbilt 579 Sleeper Truck - Well-Maintained, Built to Perform!, For sale at American Motors, this 2023 Peterbilt 579 Sleeper Truck is a reliable, high-performance choice for long-haul...
ConditionUsed
Usage431,906 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock NumberCO10335
MLS Number13577055
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Oklahoma City, OK, US
Sold By

Michelle Sells Trucks

Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
30 3

2023 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$75,950 USD
2023 Peterbilt 579 Sleeper Truck - Well-Maintained, Built to Perform!, For sale at American Motors, this 2023 Peterbilt 579 Sleeper Truck is a reliable, high-performance choice for long-haul...
ConditionUsed
Usage431,906 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock NumberCO10335
MLS Number13577043
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Commerce City, CO, US
Sold By

Michelle Sells 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

Price Drop
$36,250 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;...
ConditionUsed
Usage625,754 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 Number338190
MLS Number12580818
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Hammond, LA, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$39,750 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;...
ConditionUsed
Usage602,978 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 Number338169
MLS Number13383325
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Chino, 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
$44,250 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
Usage519,971 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 Number338120
MLS Number13654975
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Sioux Falls, SD, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$39,250 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
Usage664,613 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 Number291053
MLS Number12583104
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Greensboro, NC, US
Sold By

Penske Used Trucks

Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic
24 1

2019 Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Price Drop
$44,950 USD
FOR SALE: 2019 PETERBILT 579 DAYCAB, CUMMINS X15 450HP, AUTOMATICS 12 SPEED. KEY FETURES: 182 in wheelbase, air ride suspension, 52,000 GVWR, aluminum wheels, great deep rubber, power...
ConditionUsed
Usage545,558 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins ISX15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberOK10265
MLS Number13562552
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Oklahoma City, OK, US
Sold By

Michelle Sells Trucks

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$46,500 USD
Inspection Report
ConditionUsed
Usage355,762 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 Number503257
MLS Number13677362
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$45,000 USD
Inspection Report
ConditionUsed
Usage380,347 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 Number503253
MLS Number13677361
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic
23 0

2019 Peterbilt 579 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Price Drop
$44,950 USD
FOR SALE: 2019 PETERBILT 579 DAYCAB, CUMMINS X15 450HP, AUTOMATICS 12 SPEED. KEY FETURES: 182 in wheelbase, air ride suspension, 52,000 GVWR, aluminum wheels, great deep rubber, power...
ConditionUsed
Usage13,806 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins ISX15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberMO10264
MLS Number13552534
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Kansas City, MO, US
Sold By

Michelle Sells Trucks

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$51,000 USD
Inspection Report
ConditionUsed
Usage275,654 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 Number503252
MLS Number13677360
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$48,000 USD
Inspection Report
ConditionUsed
Usage344,719 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 Number502423
MLS Number13677357
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$43,500 USD
Inspection Report
ConditionUsed
Usage421,012 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 Number502119
MLS Number13677352
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
39 2

2021 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated
$69,950 USD
Experience the perfect blend of comfort, power, and efficiency with this 2021 Kenworth T680 Mid Roof Sleeper Truck. With 473,248 miles, this stunning blue truck is ready to tackle long hauls...
ConditionUsed
Usage14,410 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size58"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.85 ratio
Stock NumberOK10260
MLS Number13537369
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Oklahoma City, OK, US
Sold By

Michelle Sells Trucks

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

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

Newly Listed
$34,500 USD
Inspection Report
ConditionUsed
Usage425,009 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 Number502118
MLS Number13677350
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
24 2

2021 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated
$64,950 USD
Experience the perfect blend of comfort, power, and efficiency with this 2021 Kenworth T680 Mid Roof Sleeper Truck. With 439,906 miles, this stunning maroon truck is ready to tackle long...
ConditionUsed
Usage13,072 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberMO10262
MLS Number13537356
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Commerce City, CO, US
Sold By

Michelle Sells Trucks

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

Recently Updated
$48,000 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;...
ConditionUsed
Usage514,514 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 Number338024
MLS Number12433280
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Ladson, SC, 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
$39,000 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
Usage664,616 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 Number338007
MLS Number12919812
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Hazelwood, MO, US
Sold By

Penske Used Trucks

International LT625 Day Cab Truck - Cummins 400HP, 12 Speed
1 0

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed
$46,500 USD
Inspection Report
ConditionUsed
Usage359,676 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 Number501561
MLS Number13677330
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Baltimore, MD, US
Sold By

International Motors, LLC

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

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

Recently Updated
$34,500 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible.
Inspection Report
ConditionUsed
Usage375,097 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 Number499427
MLS Number13031903
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Shreveport, LA, US
Sold By

International Motors, LLC

Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Endurant Amt
16 0

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

Price Drop
$47,900 USD
Package deals welcome. Fleet maintained trucks, new tires, WORK READY TRUCKS! Upgrades available. Great for local, regional, port work. Call and speak to a sales representative today...
ConditionUsed
Usage12,478 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission12 Speed Endurant Automated
SuspensionLow Air
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number277699
MLS Number13334386
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Endurant Amt
12 0

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

Price Drop
$57,900 USD
Package deals welcome. Fleet maintained trucks, new tires, WORK READY TRUCKS! Upgrades available. Great for local, regional, port work. Call and speak to a sales representative today...
ConditionUsed
Usage10,741 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission12 Speed Endurant Automated
SuspensionLow Air
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number277764
MLS Number13334379
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Endurant Amt
13 0

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

Price Drop
$57,900 USD
Package deals welcome. Fleet maintained trucks, new tires, WORK READY TRUCKS! Upgrades available. Great for local, regional, port work. Call and speak to a sales representative today...
ConditionUsed
Usage11,487 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission12 Speed Endurant Automated
SuspensionLow Air
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number277763
MLS Number13334378
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins, 12 Speed Amt
26 4

2022 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins, 12 Speed Amt

Recently Updated
$69,950 USD
For Sale: 2022 Peterbilt 579 80" Sleeper Trucks – Great Miles, Cummins X15, 500 HP, 12-Speed. BRAND NEW TIRES!!! Priced $8,000 below market value. You better hurry! Looking for low-mileage...
ConditionUsed
Usage380,588 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size80"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberMO9575
MLS Number13263877
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Kansas City, MO, US
Sold By

Michelle Sells Trucks

Peterbilt 389 Tri Axle Dump Truck - Cummins 450HP, 12 Speed Automatic, 17.5' Dump
11 0

2021 Peterbilt 389 Tri Axle Dump Truck - Cummins 450HP, 12 Speed Automatic, 17.5' Dump

Price Drop
$159,900 USD
2021 PETERBILT 389 TRI-AXLE DUMP X15 CUMMINS 17.5 ALUMINUM JJ BODY ***PROFESSIONALLY MAINTAINED***,
ConditionUsed
Usage238,012 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeJ&J
Bed Length17.5
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 3.73 ratio
Stock Number224006
MLS Number12998677
CategoryDump Trucks
Last Updated7/1/2025
Location
Butler, PA, US
Sold By

Hunter Truck

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