12 Speed Trucks with Cummins Engines For Sale

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18 1

2021 International LT Day Cab Truck - Cummins 400HP

Newly Listed

$33,900 USD

2021 International LT, Cummins X15 400HP Engine, Automatic 12 Spd Eaton EEO-17F112C Transmission, Tandem Axle, Air Ride Suspension, 52,350 GVW, 12350# Hendrickson STEERTEK 12.35K Front Axle,...

Condition	Used
Usage	9,250 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	21IH023
MLS Number	14064722
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

(855) 370-___ SHOW
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13 0

2021 International LT Day Cab Truck - Cummins 400HP, 12 Speed Automatic

Newly Listed

$33,900 USD

2021 International LT, Cummins X15 400HP Engine, Automatic 12 Spd Eaton EEO-17F112C Transmission, Tandem Axle, Air Ride Suspension, 52,350 GVW, 12,350# Front Axle, 40,000# Rear Axle, 12,350#...

Condition	Used
Usage	9,700 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	21IH020
MLS Number	14064710
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(833) 490-___ SHOW
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17 0

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

Recently Updated

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	497,005 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066841
MLS Number	13999606
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(833) 490-___ SHOW
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Tri State Truck Center - Springfield, MO

17 0

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

Recently Updated

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	494,226 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066838
MLS Number	13999604
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

2 0

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, 519,590 miles, 450 HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	519,590 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	UPS235763
MLS Number	14064513
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

24 0

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

Recently Updated

$45,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 617,081 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	617,081 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	UPP235995
MLS Number	14033442
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Piqua, OH, US
Sold By	Penske Used Trucks

18 0

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

Recently Updated

$85,000 USD

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	252,007 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	12/30/2025
Location	Moberly, MO, US
Sold By	Penske Used Trucks

2 0

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

Newly Listed

Contact for price

Used 2022 International LT625 Sleeper Semi Truck for sale, 479,959 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73” integral sleeper, air-ride suspension,...

Condition	Used
Usage	479,959 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	UPP235031
MLS Number	14064498
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Stockton, CA, US
Sold By	Penske Used Trucks

(844) 481-___ SHOW
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62 0

2020 Peterbilt 389 Day Cab Truck - Cummins 450HP, 12 Speed Ultrashift Automatic

Recently Updated

$97,500 USD

2020 PETERBILT 389 DAYCAB, CUMMINS X15 MOTOR, 450 ADV HP, EATON AUTOMATIC TRANSMISSION, 40K REARS, 13,2K FRONTS, 11R24.5 RUBBE 90%,DUAL EXHAUST, SLIDING FIFTH WHEEL, 240'' WHEEL BASE, ENGINE...

Condition	Used
Usage	4,600 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins ISX15 450
Drivetrain	6x4
Transmission	12 Speed Ultrashift Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14052291
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 773-___ SHOW
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1 0

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

Newly Listed

$41,250 USD

Inspection Report

Condition	Used
Usage	439,650 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505413
MLS Number	14064444
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

(844) 773-___ SHOW
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1 0

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

Newly Listed

$49,000 USD

Inspection Report

Condition	Used
Usage	295,203 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	505427
MLS Number	14064440
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

32 4

2023 International LoneStar Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop

$67,950 USD

AVAILABLE FOR SALE IN KANSAS CITY, MO. INSPECTED AND DETAILED. READY TO WORK!!!, *Remaining Warranty:, - Frame side rails - 7/1/2027, - Cab/Cowl Structure: 7/1/2027, - Cab/Cowl Perforation:...

Condition	Used
Usage	445,924 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MO10949
MLS Number	13993294
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

23 0

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

Price Drop

$35,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 609,988 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	610,013 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	387476
MLS Number	13591295
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Orlando, FL, US
Sold By	Penske Used Trucks

(844) 900-___ SHOW
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54 1

2020 International LT Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$44,900 USD

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC 12-SPEED!!! CUMMINS X15, DEF, ENGINE BRAKE, SLEEPER WINDOW, SLIDING 5TH WHEEL, AIR RIDE, PDL LOCK, Se Habla...

Condition	Used
Usage	425,988 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear End	2.93 ratio
Stock Number	L01549-DELIVERY 2 U
MLS Number	13855859
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

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30 3

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$63,950 USD

For Sale: 2022 Kenworth T880 Equipped with a 450HP Cummins X15, paired with a 12-Speed Eaton Endurant Automatic Transmission. This 2022 Kenworth T880 is built for performance, comfort, and...

Condition	Used
Usage	407,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
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	MO10781
MLS Number	13852483
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

30 4

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$63,950 USD

For Sale: 2022 Kenworth T880 Equipped with a 450HP Cummins X15, paired with a 12-Speed Eaton Endurant Automatic Transmission. This 2022 Kenworth T880 is built for performance, comfort, and...

Condition	Used
Usage	407,189 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.90 ratio
Stock Number	MO10781
MLS Number	13852478
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

29 3

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$63,950 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	486,123 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
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	CO10782
MLS Number	13852450
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

23 0

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

Recently Updated

$41,500 USD

Used 2019 International LT625 Sleeper Semi Truck, 442,821 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, 13200 lbs front axle, 40000...

Condition	Used
Usage	442,821 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 3.25 ratio
Stock Number	332688
MLS Number	14013536
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

23 0

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

Newly Listed

$31,750 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 649,353 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	649,353 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 3.25 ratio
Stock Number	332579
MLS Number	14063825
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	El Paso, TX, US
Sold By	Penske Used Trucks

23 0

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

Newly Listed

$28,750 USD

Used 2019 International LT625 Sleeper Semi Truck, 692,942 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, white. Check...

Condition	Used
Usage	692,942 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 3.25 ratio
Stock Number	332578
MLS Number	14063824
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	El Paso, TX, US
Sold By	Penske Used Trucks

25 0

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

Recently Updated

$62,000 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 345,390 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	345,390 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	387508
MLS Number	13868257
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

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30 4

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Price Drop

$72,950 USD

Take a look at this low-mile 2022 Kenworth T680 equipped with a 76" raised roof double bunk sleeper featuring a refrigerator, work desk, TV mount, dual air-ride seats, and full storage...

Condition	Used
Usage	266,136 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CO10789
MLS Number	13873816
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

30 4

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Price Drop

$72,950 USD

Take a look at this low-mile 2022 Kenworth T680 equipped with a 76" raised roof double bunk sleeper featuring a refrigerator, work desk, TV mount, dual air-ride seats, and full storage...

Condition	Used
Usage	7,748 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CO10789
MLS Number	13873815
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

28 0

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

Newly Listed

$52,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 552,389 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	552,389 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	UPP236401
MLS Number	14062754
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Louisville, KY, US
Sold By	Penske Used Trucks