Used 12 Speed Trucks with Cummins Engines For Sale

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2022 International LT Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Amt

Newly Listed

$54,950 USD

372000 Miles, Engine: CUMMINS X15, 450 HP, Fuel Type: Diesel, 12 Speed AMT Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 73, Wheels:...

Condition	Used
Usage	372,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	CO11131
MLS Number	14129505
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

Newly Listed

$51,000 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, and 280-gallon fuel...

Condition	Used
Usage	600,911 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236398
MLS Number	14129395
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

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

Newly Listed

Contact for price

Used 2023 International LT625 Sleeper Semi Truck for sale, 669,418 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	669,418 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236299
MLS Number	14129393
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Memphis, TN, US
Sold By	Penske Used Trucks

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

Recently Updated

$67,250 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" Integral Sleeper, 450HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 421...

Condition	Used
Usage	422,640 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPS235718
MLS Number	14097100
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

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

Price Drop $42,000 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 450HP diesel engine, Eaton 12-speed automatic transmission, tandem rear axle, air ride suspension, 280...

Condition	Used
Usage	629,080 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPS235713
MLS Number	14051865
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Londonderry, NH, US
Sold By	Penske Used Trucks

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

Newly Listed

$34,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 736,386 miles, Cummins X15 diesel engine, 450 HP, 73" integral sleeper, 12-speed Eaton automatic transmission, tandem rear axle,...

Condition	Used
Usage	736,386 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPS235712
MLS Number	14129371
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Harrisburg, PA, US
Sold By	Penske Used Trucks

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

Recently Updated

$58,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 531,216 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	531,954 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP236061
MLS Number	14082742
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Torrance, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$50,750 USD

Used 2023 International LT625 Sleeper Semi Truck with 450HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, 280-gallon fuel capacity...

Condition	Used
Usage	545,565 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP235965
MLS Number	14097084
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

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

Recently Updated

$51,500 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins 450HP X15 engine, 12-speed automatic Eaton transmission, tandem rear axle, air ride suspension, 280-gallon...

Condition	Used
Usage	587,568 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	UPP235964
MLS Number	14114751
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

(855) 591-___ SHOW
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2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$52,900 USD

2022 Kenworth T680 Next Gen – 1 Owner, Fleet Maintained Next Gen T680!, This is a very CLEAN and NICE truck—well equipped and ready to work! , 450 HP Cummins X15 engine, , 12-speed Eaton...

Condition	Used
Usage	524,796 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	490827
MLS Number	14129352
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

2023 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated

Contact for price

Used 2023 International LT625 Day Cab Truck for sale, 251,636 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	255,199 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	187954
MLS Number	14016267
Category	Day Cab Semi Trucks
Last Updated	2/6/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2023 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated

Contact for price

Used 2023 International LT625 Day Cab Truck with Cummins 450HP X15 engine, 12-speed Eaton automatic transmission, tandem rear axle, 12350 lbs front axle, 40000 lbs rear axle, air ride...

Condition	Used
Usage	248,869 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	187952
MLS Number	14016266
Category	Day Cab Semi Trucks
Last Updated	2/6/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

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

Price Drop $51,750 USD

Used 2023 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	566,050 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	599741
MLS Number	14055945
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Omaha, NE, US
Sold By	Penske Used Trucks

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

Recently Updated

$51,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 586,553 miles, Cummins 450HP X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	586,580 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	452352
MLS Number	14045429
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

2022 International LT625 Sleeper Semi Truck - 56" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$66,250 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 335,875 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 56" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	363,261 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.21 ratio
Stock Number	427071
MLS Number	13603838
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

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

Recently Updated

$53,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 439,970 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	439,971 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	387482
MLS Number	13868244
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Pennsauken, NJ, US
Sold By	Penske Used Trucks

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

Recently Updated

$47,950 USD

Cummins Engine, 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...

Condition	Used
Usage	454,242 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	3691
MLS Number	14082611
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

2021 International LT625 Single Axle Day Cab Truck - Cummins 400HP, 12 Speed Automatic

Recently Updated

$35,750 USD

Used 2021 International LT625 Day Cab Semi Truck, 314,298 miles, Cummins X15 diesel engine with 400 HP, 12-speed Eaton automatic transmission, single rear axle, air ride suspension. Check it...

Condition	Used
Usage	316,643 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.07 ratio
Stock Number	U521001
MLS Number	14085827
Category	Day Cab Semi Trucks
Last Updated	2/6/2026
Location	Allentown, PA, US
Sold By	Penske Used Trucks

2021 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated

$33,250 USD

Used 2021 International LT625 Day Cab Semi Truck with Cummins X15 diesel engine, 450 HP, and 12-speed Eaton automatic transmission. Features air ride suspension, tandem rear axle, 160-gallon...

Condition	Used
Usage	496,951 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	371383
MLS Number	13584180
Category	Day Cab Semi Trucks
Last Updated	2/6/2026
Location	Conklin, NY, US
Sold By	Penske Used Trucks

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$65,000 USD

Inspection Report

Condition	Used
Usage	335,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505667
MLS Number	14128754
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Charlotte, NC, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Newly Listed

$70,000 USD

Inspection Report

Condition	Used
Usage	232,825 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505666
MLS Number	14128753
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Charlotte, NC, US
Sold By	International Motors, LLC

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop $55,000 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	440,030 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	505344
MLS Number	14051840
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

(888) 754-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Recently Updated

$67,000 USD

Inspection Report

Condition	Used
Usage	341,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	502972
MLS Number	14028230
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Joliet, IL, US
Sold By	International Motors, LLC

(844) 687-___ SHOW
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2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop $57,950 USD

Take a look at this 2022 Kenworth T880 powered by a Cummins X15 rated at 450 HP and paired with an Endurant 12-speed automated transmission with a 2.85 ratio, set up for efficient highway...

Condition	Used
Usage	484,747 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10775
MLS Number	13852454
Category	Sleeper Semi Trucks
Last Updated	2/6/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks