12 Speed Trucks with Cummins Engines For Sale

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Featured Item
2023 International LT ***500k MILE WARRANTY ***
29 1

2023 International LT ***500k MILE WARRANTY ***

$74,830 USD
*FACTORY 500K MILE WARRANTY ON ENGINE CUMMINS X15 450 HP EATON ENDURANT 12SPEED AUTO NEW STEER TIRES NEW FILTERS/FLUIDS 100 GAL ALUMINUM FUEL TANKS BENDIX COLLISION SYSTEM 187IN...
Warranty
ConditionUsed
Usage89,350 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Rear AxleTandem Axle
MLS Number13661630
CategoryDay Cab Semi Trucks
Last Updated6/23/2025
Location
FYFFE, AL, US
Sold By

Hill Automotive

Featured Item
2022 Peterbilt 579 Cab-over Sleeper With 53' Great Dane Trailer
32 0

2022 Peterbilt 579 Cab-over Sleeper With 53' Great Dane Trailer

$109,500 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...
ConditionUsed
Usage331,517 Miles
Duty ClassHeavy Duty Cabover with Sleeper
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed
Sleeper TypeUltraLoft
Sleeper Size80"
MLS Number13441176
CategoryCabover Sleepers
Last Updated6/16/2025
Location
Eugene, OR, US
Sold By

Skyline Equipment Co.

International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic
18 0

2019 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated
$32,000 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
Usage391,947 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper Size0"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number51930
MLS Number13293735
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Allen Park, MI, 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

Recently Updated
$78,000 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
Usage280,393 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 2.85 ratio
Stock Number387531
MLS Number13662853
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Jonesboro, GA, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$61,250 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
Usage475,453 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 Number386046
MLS Number12885879
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Shreveport, LA, US
Sold By

Penske Used Trucks

Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
40 1

2019 Peterbilt 579 Sleeper Semi Truck - 80" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed
$49,900 USD
504,110 Miles, Cummins X15 Engine, 450 H.P Engine Brake, Eaton Automatic Transmission, 80 Inch Ultra-Loft Sleeper, Upper Bunk, 40,000 Lb. Rear Ends, 2.79 Ratio, Air Ride Suspension,...
ConditionUsed
Usage504,110 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 Number633351
MLS Number13677996
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

Peterbilt 567 Tri Axle Day Cab Truck - Cummins 525HP, 12 Speed Automatic
45 0

2025 Peterbilt 567 Tri Axle Day Cab Truck - Cummins 525HP, 12 Speed Automatic

Newly Listed
$209,500 USD
CLEAN LIKE NEW 2025 PETERBILT 567, CUMMINS POWERED 525HP, EATON 12 SPEED AUTO TRANSMISSION, AIR TRAC SUSPENSION, HEAVY SPEC, 14,320 FAW, 46,000 RAW, 13,200 PUSHER AXLE, VIRGIN RUBBER, CB...
ConditionUsed
Usage83,072 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 3.73 ratio
Stock Number7032
MLS Number13677875
CategoryDay Cab Semi Trucks
Last Updated7/1/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

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
$59,000 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
Usage369,106 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 Number359619
MLS Number13492410
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Warren, MI, 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
$52,250 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
Usage478,398 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 Number359598
MLS Number12873931
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Portland, OR, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
22 0

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

Recently Updated
$55,000 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
Usage369,684 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 Number359596
MLS Number12671179
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Longview, TX, US
Sold By

Penske Used 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
$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;...
ConditionUsed
Usage342,261 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 Number353504
MLS Number13657266
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

Freightliner M2 106 26 ft Box Truck - 240HP, 12 Speed Automatic, Liftgate
33 1

2020 Freightliner M2 106 26 ft Box Truck - 240HP, 12 Speed Automatic, Liftgate

Recently Updated
$48,900 USD
** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** LIFT GATE, E-TRACKS Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! Disclaimer:, “All...
ConditionUsed
Usage164,914 Miles
Duty ClassMedium Duty Box Truck
Box Length26 ft.
Horse Power240 HP
Engine ModelCummins B6.7
Drivetrain4x2
Transmission12 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
LiftgateYes
Stock NumberN15026-DELIVERY 2 U
MLS Number13594471
CategoryDelivery / Moving / Straight / Box Trucks
Last Updated7/1/2025
Location
Turlock, CA, US
Sold By

Diamond Truck Sales Inc

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, Amt
32 0

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, Amt

Recently Updated
$64,950 USD
2022 KENWORTH T680 FOR SALE IN KANSAS CITY, MO, 534, 584 mi 400 HP Cummins X15, engine brake, single exhaust, Automated EATON-FULLER 12 speed transmission, 2.64 ratio, 53,350 GVW, 224 in...
ConditionUsed
Usage534,584 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power400 HP
Engine ModelCummins ISX15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberMO10359
MLS Number13594104
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Kansas City, MO, 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 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
$38,750 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
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 Updated7/1/2025
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
Usage602,961 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 Updated7/1/2025
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

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