12 Speed Trucks with Cummins Engines For Sale

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	12/28/2025
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

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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	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

23 0

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

Newly Listed

$51,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 623,705 miles, 450 HP Cummins X15 diesel engine, 12-speed automatic Eaton transmission, 73" integral sleeper, tandem rear axle, 280...

Condition	Used
Usage	623,705 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	UPP236075
MLS Number	14062753
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Fresno, CA, US
Sold By	Penske Used Trucks

20 0

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

Newly Listed

$57,000 USD

Used 2022 International LT625 Sleeper Semi Truck, 505,418 miles, 450 HP Cummins X15 diesel engine, Eaton 12-speed automatic transmission, 73" integral sleeper, tandem air ride suspension....

Condition	Used
Usage	505,418 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	UPP235033
MLS Number	14062742
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Stockton, CA, US
Sold By	Penske Used Trucks

22 0

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

Newly Listed

$47,250 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 515,388 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	515,388 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	401376
MLS Number	14062671
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Concord, NC, US
Sold By	Penske Used Trucks

4 0

2021 Kenworth T680 Sleeper Semi Truck - 74" Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

Newly Listed

Contact for price

** !!ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, DIESEL, ENGINE BRAKE, SLIDING 5TH WHEEL, AC Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	530,887 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	74"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	N15259-DELIVERY 2 U
MLS Number	14062612
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

27 0

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

Newly Listed

$79,250 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 244,681 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	244,681 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	387461
MLS Number	14062585
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Corpus Christi, TX, US
Sold By	Penske Used Trucks

23 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$84,000 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 270,168 miles, 450 HP Cummins X15 diesel engine, 72" integral sleeper, 12-speed Eaton automatic transmission, tandem rear...

Condition	Used
Usage	270,168 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	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	382291
MLS Number	14062547
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Richland, MS, US
Sold By	Penske Used Trucks

26 0

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

Recently Updated

$33,250 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 620,611 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	620,625 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 3.08 ratio
Stock Number	353483
MLS Number	13876642
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Concord, NC, US
Sold By	Penske Used Trucks

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31 4

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

Price Drop

$74,500 USD

For Sale: 2022 Kenworth T880 Sleeper Equipped with a 450hp Cummins X15, paired with an Endurant 12-Speed Automatic Transmission. Additional Features Include: 76" Mid Roof Single Bunk Sleeper...

Condition	Used
Usage	274,451 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	MO10777
MLS Number	13852457
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
NUMBERCall Seller

32 4

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

Price Drop

$74,500 USD

For Sale: 2022 Kenworth T880 Sleeper, *Stock Photos of Matching Unit. More Pictures Coming Soon!*, Equipped with a 450hp Cummins X15, paired with an Endurant 12-Speed Automatic Transmission....

Condition	Used
Usage	274,451 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	MO10777
MLS Number	13852456
Category	Sleeper Semi Trucks
Last Updated	12/27/2025
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

$55,750 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 253,715 miles, Cummins 450HP X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	253,715 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	332655
MLS Number	14040578
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

18 0

2021 International LT625 Sleeper Semi Truck - Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$34,750 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 597,516 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension. Check...

Condition	Used
Usage	597,518 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	20500
MLS Number	13531725
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Minoa, NY, US
Sold By	Penske Used Trucks

28 0

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

Price Drop

$46,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 607,636 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, 230" wheelbase,...

Condition	Used
Usage	632,021 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	599742
MLS Number	13584864
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Fontana, CA, US
Sold By	Penske Used Trucks

23 0

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

Price Drop

$42,750 USD

Used 2020 International LT625 Sleeper Semi Truck, 509,285 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle. Check...

Condition	Used
Usage	519,636 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 3.08 ratio
Stock Number	367038
MLS Number	13571062
Category	Sleeper Semi Trucks
Last Updated	12/28/2025
Location	East Chicago, IN, US
Sold By	Penske Used Trucks

11 0

2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	33,419 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	810-3502
MLS Number	13437450
Category	Day Cab Semi Trucks
Last Updated	12/25/2025
Location	Baltimore, MD, US
Sold By	All Roads Trucks

11 0

2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	43,897 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	810-3501
MLS Number	13435585
Category	Day Cab Semi Trucks
Last Updated	12/25/2025
Location	Baltimore, MD, US
Sold By	All Roads Trucks

11 0

2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	51,804 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	983-3504
MLS Number	13329284
Category	Day Cab Semi Trucks
Last Updated	12/25/2025
Location	Westminster, MD, US
Sold By	All Roads Trucks

11 0

2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	48,961 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	983-3503
MLS Number	13329281
Category	Day Cab Semi Trucks
Last Updated	12/25/2025
Location	Baltimore, MD, US
Sold By	All Roads Trucks

1 0

2024 Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

Contact for price

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, MINI-FRIDGE,, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	588,360 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 2.79 ratio
Stock Number	N15254-DELIVERY 2 U
MLS Number	14059421
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

1 0

2023 Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

Contact for price

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, MINI-FRIDGE,, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	577,894 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 2.79 ratio
Stock Number	N15253-DELIVERY 2 U
MLS Number	14059420
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

1 0

2023 Peterbilt 579 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

Contact for price

*** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! *** AUTOMATIC!!! DEF, ENGINE BRAKE, SLIDING 5TH WHEEL, MINI-FRIDGE,, Se Habla Español! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7...

Condition	Used
Usage	626,843 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 2.79 ratio
Stock Number	N15252-DELIVERY 2 U
MLS Number	14059419
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc