12 Speed Sleeper Semi Trucks with Cummins Engines For Sale

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, 618,806 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	618,806 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	UPS235769
MLS Number	14092381
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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

Recently Updated

$61,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 466,345 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	466,345 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	UPP236077
MLS Number	14044100
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Fresno, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$66,750 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	581,874 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	1/15/2026
Location	Anaheim, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$48,500 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 555,401 miles, Cummins X15 diesel engine with 450 HP, 73" integral sleeper, 12-speed Eaton automatic transmission, tandem rear axle...

Condition	Used
Usage	555,426 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	454894
MLS Number	14015960
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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

Newly Listed

$82,250 USD

Used 2021 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 237,315 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear axle...

Condition	Used
Usage	237,315 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	382292
MLS Number	14092124
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Richland, MS, US
Sold By	Penske Used Trucks

(855) 910-___ SHOW
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2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop $46,000 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	448,391 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	3596
MLS Number	13963586
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

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

Recently Updated

$37,500 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 597,391 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	607,047 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	359649
MLS Number	14071766
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

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

Newly Listed

$23,500 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 734,427 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73” integral sleeper, tandem rear axle,...

Condition	Used
Usage	734,427 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	332580
MLS Number	14091665
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

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

Price Drop $43,000 USD

Used 2019 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	375,102 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	332411
MLS Number	13775004
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Mebane, NC, US
Sold By	Penske Used Trucks

(609) 318-___ SHOW
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2023 Peterbilt 567 Sleeper Semi Truck

Recently Updated

$119,900 USD

Balance of FACTORY WARRANTY / Financing Available Balance of 5yr/400,000 mile Engine, Aftertreatment, Base Vehicle transfers to new owner!!! 2023 PETERBILT 567 58" SLEEPER, PLEASE CALL...

Condition	Used
Usage	280,097 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	259222
MLS Number	13568455
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Millstone Township, NJ, US
Sold By	Hunter Truck

(724) 648-___ SHOW
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2021 Peterbilt 579 Sleeper Semi Truck - 44" Flat Top Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$54,900 USD

Low mileage, small flat top 579 with Cummins. Has small sleeper when needed. Lease maintaned. Ready to go,

Condition	Used
Usage	10,367 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Sleeper Size	44"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	231290
MLS Number	14088032
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Butler, PA, US
Sold By	Hunter Truck

(844) 831-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

Price Drop $58,950 USD

Inspection Report

Condition	Used
Usage	235,626 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automated
Sleeper Type	Hi Rise Sleeper
Sleeper Size	56"
Suspension	Air Ride
Rear End	20,000 lb 2.79 ratio
Stock Number	504256
MLS Number	13791303
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

(888) 754-___ SHOW
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2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Recently Updated

$55,750 USD

Inspection Report

Condition	Used
Usage	447,545 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 2.85 ratio
Stock Number	501994
MLS Number	13915967
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Joliet, IL, US
Sold By	International Motors, LLC

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

Recently Updated

$69,900 USD

***8 NEW TIRES!!!*** *** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!! ENGINE BRAKE, LIQUID DEF, AIR RIDE, TC, SLEEPER WINDOW, SLIDING 5TH WHEEL Se Habla...

Condition	Used
Usage	455,032 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
Rear End	40,000 lb 2.85 ratio
Stock Number	L01626-8 NEW TIRES
MLS Number	14023671
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

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

Recently Updated

$37,250 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	1/14/2026
Location	Mebane, NC, US
Sold By	Penske Used Trucks

2020 International LT625 Sleeper Semi Truck - 56" Integral Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$30,750 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 636,175 miles, 56" integral sleeper, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, tandem rear axle...

Condition	Used
Usage	636,176 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	40,000 lb 3.08 ratio
Stock Number	362749
MLS Number	14014223
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Milwaukee, WI, US
Sold By	Penske Used Trucks

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

Newly Listed

$36,250 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 573,031 miles, Cummins X15 Diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	573,031 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	354290
MLS Number	14087747
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Garden City, GA, US
Sold By	Penske Used Trucks

(855) 717-___ SHOW
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2020 International LT Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$37,900 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 Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	L01549-DELIVERY 2 U
MLS Number	13855859
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

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

Recently Updated

$42,750 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	1/15/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

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

Newly Listed

$10,000 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 528,480 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	528,480 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	332360
MLS Number	14087548
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Pennsauken, NJ, US
Sold By	Penske Used Trucks

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

Recently Updated

$28,250 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 685,244 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, 230" wheelbase,...

Condition	Used
Usage	685,543 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	332283
MLS Number	13755352
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Martinsville, VA, US
Sold By	Penske Used Trucks

2022 International LT Sleeper Semi Truck - 71" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$38,900 USD

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

Condition	Used
Usage	584,865 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	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	L01354-DELIVERY 2 U
MLS Number	13568563
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$39,900 USD

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

Condition	Used
Usage	532,795 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 2.64 ratio
Stock Number	L01343-DELIVERY 2 U
MLS Number	13557247
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc

2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$46,900 USD

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

Condition	Used
Usage	529,008 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 2.64 ratio
Stock Number	L01342-DELIVERY 2 U
MLS Number	13557240
Category	Sleeper Semi Trucks
Last Updated	1/14/2026
Location	Fontana, CA, US
Sold By	Diamond Truck Sales Inc