12 Speed Trucks with Cummins Engines For Sale

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1-25 of 686 results
1-25 of 686 results
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

Price Drop
$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 Updated6/3/2025
Location
Eugene, OR, US
Sold By

Skyline Equipment Co.

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

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

Recently Updated
$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
Usage466,158 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 Updated6/6/2025
Location
St Cloud, MN, 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
$51,750 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
Usage469,392 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 Updated6/6/2025
Location
Erlanger, KY, 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
Usage604,557 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 Updated6/6/2025
Location
North Bergen, NJ, US
Sold By

Penske Used Trucks

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

2020 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated
$45,000 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
Usage347,735 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 3.08 ratio
Stock Number353979
MLS Number12810132
CategoryDay Cab Semi Trucks
Last Updated6/6/2025
Location
National City, CA, US
Sold By

Penske Used Trucks

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

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

Newly Listed
$36,750 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
Usage692,725 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 Number353487
MLS Number13629866
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Greensboro, NC, US
Sold By

Penske Used Trucks

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

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

Newly Listed
Call for price
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
Usage482,954 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 Number338963
MLS Number13629826
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Conway, 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
Call for price
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
Usage481,346 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 Number338946
MLS Number13430797
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Garland, TX, 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
$46,250 USD
SPECIAL PROMOTION - Original Price: $47250.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...
ConditionUsed
Usage527,009 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 Number338188
MLS Number13442565
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
New Castle, DE, 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
$37,500 USD
SPECIAL PROMOTION - Original Price: $39000.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage658,744 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 Updated6/6/2025
Location
El Paso, TX, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$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;...
ConditionUsed
Usage378,395 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 Number332438
MLS Number13568194
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Greeley, CO, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
26 0

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

Recently Updated
$41,250 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
Usage547,452 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 Number332318
MLS Number13359188
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Ladson, SC, US
Sold By

Penske Used Trucks

Peterbilt 579 Fuel & Lube Truck - Cummins, 500HP, 12 Speed Automatic
19 0

2023 Peterbilt 579 Fuel & Lube Truck - Cummins, 500HP, 12 Speed Automatic

Newly Listed
Call for price
2023 PETERBILT 579 TRUCKS WITH BLACKMER PUMP SYSTEMS- 4-WAY VALVE AND P.T.O ALUMINUM FIFTHWHEEL, LEATHER INTERIOR, 125 GALLON FUEL TANK, CALL FOR PRICE,
Quantity5
ConditionUsed
Usage305,000 Miles
Duty ClassHeavy Duty Fuel & Lube Truck
Horse Power500 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Stock NumberFUEL PUMPER TRUCKS
MLS Number13627749
CategoryFuel & Lube Trucks
Last Updated6/5/2025
Location
Fontana, CA, US
Sold By

EZ TANK TRAILER SALES

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
$71,000 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
Usage269,105 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 Number378584
MLS Number13004821
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Greensboro, NC, 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
$49,500 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
Usage543,934 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 Number375899
MLS Number13607026
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Mebane, NC, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 56" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
23 0

2021 International LT625 Sleeper Semi Truck - 56" 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
Usage433,997 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Sleeper TypeIntegral Sleeper
Sleeper Size56"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number373582
MLS Number13627656
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Conklin, NY, 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

Price Drop
$55,750 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
Usage450,903 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 Number359559
MLS Number12442518
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Garden City, GA, 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
Usage688,540 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 Number353966
MLS Number13576586
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Hot Springs, AR, US
Sold By

Penske Used Trucks

Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
52 1

2020 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated
$53,900 USD
*** ASK FOR LOW COST DELIVERY AVAILABLE TOALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, MINI-FRIDGE,, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...
ConditionUsed
Usage534,413 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberB03600-DELIVERY 2 U
MLS Number13593806
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Bakersfield, CA, US
Sold By

Diamond Truck Sales Inc

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

Recently Updated
$40,250 USD
SPECIAL PROMOTION - Original Price: $42250.00 ;MANAGERS SPECIAL Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being...
ConditionUsed
Usage523,136 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 Number338924
MLS Number13411741
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Greensboro, NC, 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
$52,500 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
Usage484,713 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 Number291065
MLS Number13627290
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
East Chicago, IN, US
Sold By

Penske Used Trucks

Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Automatic
27 2

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

Recently Updated
$64,900 USD
** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, DEF,X15 CUMMINS, AUTOMATIC, SLIDING 5TH WHEEL, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!! ...
ConditionUsed
Usage468,034 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Stock NumberF02626-DELIVERY 2 U
MLS Number13548525
CategorySleeper Semi Trucks
Last Updated6/5/2025
Location
Fort Worth, TX, US
Sold By

Diamond Truck Sales Inc

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

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

Newly Listed
$40,500 USD
Inspection Report
ConditionUsed
Usage462,700 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 Number503174
MLS Number13627139
CategoryDay Cab Semi Trucks
Last Updated6/5/2025
Location
Kansas City, MO, US
Sold By

International Motors, LLC

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

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

Newly Listed
$43,500 USD
Inspection Report
ConditionUsed
Usage406,109 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 Number503169
MLS Number13627138
CategoryDay Cab Semi Trucks
Last Updated6/5/2025
Location
Kansas City, MO, US
Sold By

International Motors, LLC

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