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 LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic
1 0

2023 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed
$69,995 USD
283000 Miles, Engine: CUMMINS X15, 450 HP, 12 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Wheels: Polished Aluminum, Wheel Base: 232,...
ConditionUsed
Usage283,000 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
Rear End40,000 lb 2.64 ratio
Stock Number2827
MLS Number13683498
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Fontana, CA, US
Sold By

Fontana Truck Center

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
$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
Usage496,914 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 Number356887
MLS Number12442515
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Indian Trail, NC, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed
1 0

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

Newly Listed
$61,500 USD
Inspection Report
ConditionUsed
Usage444,432 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 Number503327
MLS Number13683418
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

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
$43,000 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
Usage567,470 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 Number338915
MLS Number13421186
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Pineville, LA, 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
$48,750 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
Usage474,262 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 Number291050
MLS Number13509699
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Mount Juliet, TN, US
Sold By

Penske Used Trucks

International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic
14 0

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

Recently Updated
$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
Usage493,270 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 Number332413
MLS Number12991734
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Middlefield, OH, US
Sold By

Penske Used Trucks

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
21 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$63,900 USD
X15 Cummins, TK APU, New Virgin Tires, 5 Year 500k Factory EATS,
ConditionUsed
Usage471,397 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number483117
MLS Number13401072
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
16 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$68,900 USD
X15 Cummins, TK APU, New Virgin Drives, 5 Year 500k Factory EATS,
ConditionUsed
Usage425,440 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number454528
MLS Number13401053
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
18 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$68,900 USD
X15 Cummins, TK APU, New Virgin Drives Yokihamas, 5 Year 500K Factory EATS,
ConditionUsed
Usage430,638 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number454523
MLS Number13401050
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
19 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$67,900 USD
TK APU, 5 Year, 500K EATS, New Virgin Drives,
ConditionUsed
Usage436,695 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number454520
MLS Number13401048
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
21 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$68,900 USD
5 Year 500k EATS, TK APU, Virgin Tires,
ConditionUsed
Usage427,311 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Stock Number454502
MLS Number13401047
CategorySleeper Semi Trucks
Last Updated7/3/2025
Location
Idaho Falls, ID, US
Sold By

Dad's Truck and Trailer Sales

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

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

Price Drop
$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
Usage390,849 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 2.79 ratio
Stock Number52931
MLS Number13293741
CategoryDay Cab Semi Trucks
Last Updated7/2/2025
Location
Muskegon, MI, US
Sold By

Penske Used Trucks

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

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

Recently Updated
$64,750 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
Usage573,900 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 Number599740
MLS Number13582417
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Montgomery, AL, 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
$72,250 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
Usage460,565 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 NumberUPP235163
MLS Number13587317
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Ontario, CA, US
Sold By

Penske Used Trucks

Peterbilt 567 Tri Axle Day Cab Truck - Cummins 525HP, 12 Speed Automatic
40 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
Usage84,130 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission12 Speed Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End59,200 lb 3.73 ratio
Stock Number7036
MLS Number13679951
CategoryDay Cab Semi Trucks
Last Updated7/2/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

International LT Day Cab Truck - Cummins 450HP, 12 Speed Endurant Automatic
30 0

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

Newly Listed
$37,500 USD
CLEAN 2020 INTERNATIONAL DAY CAB, FLEET MAINTAINED! CUMMINS ISX 450HP, 12 SPEED EATON ENDURANT TRANSMISSION, JAKES, LOCKERS, DRIVER ASSISTANCE SYSTEM, NEW VIRGIN RUBBER ALL THE WAY AROUND! ...
ConditionUsed
Usage425,896 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.75 ratio
Stock Number7027
MLS Number13679929
CategoryDay Cab Semi Trucks
Last Updated7/2/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Peterbilt 579 Sleeper Semi Truck - Cummins 500HP, 12 Speed Automatic
2 0

2024 Peterbilt 579 Sleeper Semi Truck - Cummins 500HP, 12 Speed Automatic

Newly Listed
$117,750 USD
Only 195,000 Original Miles ~ Cummins X15 ~ 500 HP ~ 12 Speed Automatic ~ Only One Owner ~ Cummins Warranty through 3/13/26 or 250K miles ~ Financing Available with Your Good Credit,
ConditionUsed
Usage195,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Transmission12 Speed Automatic
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number837309
MLS Number13679862
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Olive Branch, MS, US
Sold By

Truck Market

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
$52,500 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
Usage412,408 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 Number359605
MLS Number12671182
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Obetz, OH, 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
$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
Usage461,428 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 Number354277
MLS Number13679718
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Harahan, LA, US
Sold By

Penske Used Trucks

Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt
4 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop
$49,950 USD
N.A.P.,Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 35K Miles,
ConditionUsed
Usage485,473 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Endurant Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number3606
MLS Number13644861
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
GRANGER, IA, US
Sold By

Barr-Nunn Transportation LLC

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

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

Recently Updated
$46,500 USD
Inspection Report
ConditionUsed
Usage214,106 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 Number502647
MLS Number13583863
CategoryDay Cab Semi Trucks
Last Updated7/2/2025
Location
Charlotte, NC, 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
$36,500 USD
Factory/Fleet Direct Purchase. Strict Trade Terms. AS-IS Pricing.
Inspection Report
ConditionUsed
Usage438,167 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 Number502643
MLS Number13679696
CategoryDay Cab Semi Trucks
Last Updated7/2/2025
Location
Charlotte, NC, US
Sold By

International Motors, LLC

International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed
1 0

2024 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Newly Listed
$112,500 USD
Inspection Report
ConditionUsed
Usage157,254 Miles
Duty ClassLight Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission12 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
Rear End40,000 lb 2.79 ratio
Stock Number502896
MLS Number13679695
CategorySleeper Semi Trucks
Last Updated7/2/2025
Location
Conley, GA, US
Sold By

International Motors, LLC

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