12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

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

Recently Updated

$45,750 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	12/25/2025
Location	Chicago Ridge, IL, US
Sold By	Penske Used 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

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	621,449 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	N15251-DELIVERY 2 U
MLS Number	14059418
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

(888) 754-___ SHOW
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33 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Recently Updated

$64,500 USD

Inspection Report

Condition	Used
Usage	385,791 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	502630
MLS Number	13632594
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

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33 0

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Recently Updated

$61,750 USD

Inspection Report

Condition	Used
Usage	425,436 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	502628
MLS Number	13621590
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Joliet, IL, US
Sold By	International Motors, LLC

23 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 470HP, 12 Speed Automatic

Recently Updated

$66,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 571,173 miles, 470 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	577,913 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 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 3.08 ratio
Stock Number	199199
MLS Number	14016277
Category	Sleeper Semi Trucks
Last Updated	12/26/2025
Location	Anaheim, CA, US
Sold By	Penske Used Trucks

(844) 624-___ SHOW
NUMBERCall Seller

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	13993269
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

23 0

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$54,250 USD

Used 2021 International LT625 Sleeper Semi Truck, 376,888 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	377,645 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	394933
MLS Number	13710027
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

28 0

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

Price Drop

$63,500 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 405,513 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle....

Condition	Used
Usage	405,513 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	387474
MLS Number	13868237
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Billings, MT, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$45,000 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 490,309 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	497,505 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	359636
MLS Number	13581515
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Beaumont, TX, US
Sold By	Penske Used Trucks

25 0

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

Price Drop

$46,250 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 342,265 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	342,265 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	353504
MLS Number	13657266
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Middlefield, OH, US
Sold By	Penske Used Trucks

23 0

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

Recently Updated

$50,250 USD

Used 2020 International LT625 Sleeper Semi Truck with 450HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride suspension. Don't miss...

Condition	Used
Usage	363,715 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 3.08 ratio
Stock Number	337994
MLS Number	13775093
Category	Sleeper Semi Trucks
Last Updated	12/26/2025
Location	Pell City, AL, US
Sold By	Penske Used Trucks

22 0

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

Newly Listed

$55,000 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	553,137 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	12/26/2025
Location	Omaha, NE, US
Sold By	Penske Used Trucks

22 0

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

Recently Updated

$64,750 USD

Used 2022 International LT625 Sleeper Semi Truck with 73" integral sleeper, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, and 240-gallon fuel...

Condition	Used
Usage	403,012 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	448514
MLS Number	13865376
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

25 0

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$40,000 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 495,911 miles, Cummins X15 diesel engine with 450 HP, 12-speed automatic Eaton transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	495,911 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 2.80 ratio
Stock Number	321764
MLS Number	13581762
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

23 0

2021 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$37,750 USD

Used 2021 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	543,943 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	375899
MLS Number	13607026
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Mebane, NC, US
Sold By	Penske Used 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	12/26/2025
Location	Greeley, CO, US
Sold By	Penske Used Trucks

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1 0

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Newly Listed

$59,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME...

Condition	Used
Usage	435,000 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	2450
MLS Number	14054734
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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	12/25/2025
Location	Piqua, OH, US
Sold By	Penske Used Trucks

(866) 530-___ SHOW
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41 0

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

Recently Updated

$69,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 369,558 MILES, FLEET MAINTAINED ...

Condition	Used
Usage	369,558 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	5997
MLS Number	13985515
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet