12 Speed Trucks with Cummins Engines For Sale

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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, COLLISION MITIGATION, AUTOMATIC TRANSMISSION, NEW VIRGIN RUBBER, LOW MILES ,PLENTY TO CHOOSE FROM. Please visit our website...
ConditionUsed
Usage408,331 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 Number6915
MLS Number13411991
CategoryDay Cab Semi Trucks
Last Updated6/12/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

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

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

$39,500 USD
1 2-YR Factory-Backed Engine Aftertreatment Warranty + Extended Vehicle Coverage Towing AVAILABLE. $0 Deductible.
Inspection Report
ConditionUsed
Usage489,541 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power400 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automated
SuspensionAir Ride
Rear End40,000 lb 2.85 ratio
Stock Number499523
MLS Number13031905
CategoryDay Cab Semi Trucks
Last Updated6/11/2025
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

$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
Usage511,888 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 Number332614
MLS Number13636897
CategorySleeper Semi Trucks
Last Updated6/12/2025
Location
Torrance, CA, US
Sold By

Penske Used Trucks

Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt
17 0

2019 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

$45,950 USD
Call for rental/lease prices
2 Available, X15 Cummins, 450 HP, Eaton 12 speed auto shift, 8 bag suspension. Very clean nice trucks. THIS ITEM AVIALABLE FOR RENT IN MONTANA ONLY,
ConditionUsed
Usage581,725 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock NumberBTS2543
MLS Number13181665
CategoryDay Cab Semi Trucks
Last Updated6/13/2025
Location
Great Falls, MT, US
Sold By

Bouma Truck Sales

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

2023 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

$72,500 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
Usage546,423 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 Number599742
MLS Number13584864
CategorySleeper Semi Trucks
Last Updated6/18/2025
Location
Fontana, CA, US
Sold By

Penske Used Trucks

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

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

$41,750 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
Usage749,498 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 NumberUPP235091
MLS Number13635454
CategorySleeper Semi Trucks
Last Updated6/11/2025
Location
Jacksonville, FL, US
Sold By

Penske Used Trucks

Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Automatic
44 4

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Automatic

$59,900 USD
430,353 Miles, Cummins X15 Engine, 500 H.P Engine Brake, Endurant Automatic - 12 Speed, Fleet Maintained, Navigation, Virgin Rubber, Fridge, 76" Condo Sleeper with Workstation Upper Bunk,...
ConditionUsed
Usage430,353 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number417831
MLS Number13603401
CategorySleeper Semi Trucks
Last Updated6/13/2025
Location
Monroe, GA, US
Sold By

AAA Trucks LLC

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

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

$45,000 USD
FLASH SALE! Drive in, drive out! AS IS - SPECIAL, Cummins X15, New Domestic Tires, Auto Transmission
Inspection Report
ConditionUsed
Usage246,524 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 Number502372
MLS Number13603350
CategoryDay Cab Semi Trucks
Last Updated6/10/2025
Location
Etna, OH, 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

$67,500 USD
Inspection Report
ConditionUsed
Usage341,646 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 Number501190
MLS Number13326611
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 400HP, 12 Speed
33 0

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

$64,500 USD
Inspection Report
ConditionUsed
Usage388,664 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 Number500593
MLS Number13412980
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

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

$60,500 USD
SPECIAL PROMOTION - Original Price: $63500.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
ConditionUsed
Usage367,466 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 Number359647
MLS Number13315955
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Fontana, CA, 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

$42,000 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
Usage533,415 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 Number291060
MLS Number13266132
CategorySleeper Semi Trucks
Last Updated6/13/2025
Location
Dayton, NJ, 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

$64,500 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
Usage316,814 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 Number332692
MLS Number13633756
CategorySleeper Semi Trucks
Last Updated6/8/2025
Location
Torrance, 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

Price Drop
$53,500 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
Usage625,488 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 NumberUPS234988
MLS Number13534269
CategorySleeper Semi Trucks
Last Updated6/28/2025
Location
Kansas City, MO, US
Sold By

Penske Used Trucks

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

$71,500 USD
Inspection Report
ConditionUsed
Usage385,791 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 Number502630
MLS Number13632594
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Joliet, IL, 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
Usage341,093 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 Number502835
MLS Number13632547
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Joliet, IL, 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
Usage326,778 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 Number502833
MLS Number13632530
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Joliet, IL, 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

$45,000 USD
Inspection Report
ConditionUsed
Usage263,552 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 Number502357
MLS Number13632483
CategoryDay Cab Semi Trucks
Last Updated6/7/2025
Location
Joliet, IL, US
Sold By

International Motors, LLC

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

$41,750 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
Usage638,054 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 2.79 ratio
Stock Number718257
MLS Number13630906
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
De Pere, WI, US
Sold By

Penske Used Trucks

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

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

$66,500 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
Usage460,000 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 2.64 ratio
Stock NumberUPP235036
MLS Number13630822
CategorySleeper Semi Trucks
Last Updated6/6/2025
Location
Springfield, MO, 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

$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
Usage692,729 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 Updated6/7/2025
Location
Greensboro, NC, 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

$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
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 Updated6/7/2025
Location
Conway, 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

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 NumberDAY CAB CUMMINS
MLS Number13627749
CategoryFuel & Lube Trucks
Last Updated6/12/2025
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

$74,000 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 Updated6/8/2025
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

$52,750 USD
SPECIAL PROMOTION - Original Price: $55750.00 Purchase your vehicle from the leader in the leasing industry. Penske vehicles have the reputation of quality and being well-maintained. We...
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 Updated7/2/2025
Location
Garden City, GA, US
Sold By

Penske Used Trucks

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