12 Speed Trucks with Cummins Engines, Air Ride Suspension For Sale

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

Recently Updated

$44,250 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 685,670 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	686,800 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	UPS235771
MLS Number	14016323
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
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

$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	554,853 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	1/9/2026
Location	Omaha, NE, US
Sold By	Penske Used Trucks

(844) 481-___ SHOW
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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, PTO, 11R24.5 RUBBE 90%,DUAL EXHAUST, SLIDING FIFTH WHEEL, 240'' WHEEL BASE,...

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	1/9/2026
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 624-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$89,950 USD

MULTIPLE NEXTGEN BODY STYLE MATCHING VIRGIN DRIVE TIRES, DIESEL APU, 2022 Kenworth T680 with 450HP Cummins X15 and Endurant 12-speed automatic. 76" raised roof double bunk sleeper with...

Condition	Used
Usage	250,000 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
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	MONSTOCK
MLS Number	14025127
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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2023 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$89,950 USD

MULTIPLE NEXTGEN BODY STYLE MATCHING VIRGIN DRIVE TIRES, DIESEL APU, 2022 Kenworth T680 with 450HP Cummins X15 and Endurant 12-speed automatic. 76" raised roof double bunk sleeper with...

Condition	Used
Usage	250,000 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
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	CONSTOCK
MLS Number	14025126
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 773-___ SHOW
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2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed

$44,750 USD

Inspection Report

Condition	Used
Usage	230,974 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	40,000 lb 2.79 ratio
Stock Number	505392
MLS Number	14079759
Category	Day Cab Semi Trucks
Last Updated	1/9/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

(844) 823-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Recently Updated

$62,500 USD

1 or 2-Year Factory-Backed Engine Aftertreatment Warranty AVAILABLE. $0 Deductible. No Claim Maximum. Backed by Dealer Network of 700+ Locations

Inspection Report

Condition	Used
Usage	388,960 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	505310
MLS Number	14018600
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Shreveport, LA, 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

Newly Listed

$59,750 USD

CUMMINS X1512 SPEED AUTOMATED AUXILIARY POWER UNIT

Inspection Report

Condition	Used
Usage	451,188 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	505476
MLS Number	14079757
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(844) 773-___ SHOW
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2021 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Newly Listed

$47,500 USD

Inspection Report

Condition	Used
Usage	275,058 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	505423
MLS Number	14079756
Category	Day Cab Semi Trucks
Last Updated	1/9/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

(844) 831-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Recently Updated

$72,000 USD

Inspection Report

Condition	Used
Usage	243,014 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	502976
MLS Number	13646397
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Indianapolis, IN, US
Sold By	International Motors, LLC

(844) 624-___ SHOW
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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	1/9/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

Recently Updated

Contact for price

Used 2020 International LT625 Sleeper Semi Truck with 431,511 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	431,511 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	359605
MLS Number	12671182
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Obetz, OH, US
Sold By	Penske Used Trucks

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

Recently Updated

$29,750 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 725,870 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	735,100 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	332753
MLS Number	14013540
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Kansas City, MO, US
Sold By	Penske Used Trucks

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

Recently Updated

$29,500 USD

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

Condition	Used
Usage	650,939 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	332309
MLS Number	14013460
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Martinsville, VA, US
Sold By	Penske Used Trucks

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

Newly Listed

$34,750 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, air ride suspension, and...

Condition	Used
Usage	751,398 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	UPP236269
MLS Number	14078051
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Louisville, KY, US
Sold By	Penske Used Trucks

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

Price Drop $81,250 USD

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	247,626 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	1/8/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

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

Newly Listed

$67,500 USD

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

Condition	Used
Usage	386,065 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	UPS234922
MLS Number	14078005
Category	Sleeper Semi Trucks
Last Updated	1/9/2026
Location	Aurora, CO, US
Sold By	Penske Used Trucks

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

Price Drop $70,000 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	360,264 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	1/8/2026
Location	Jacksonville, FL, US
Sold By	Penske Used Trucks

2022 International LT625 Sleeper Semi Truck - 73" Integral Sleeper, Cummins 500HP, 12 Speed Automatic

Price Drop $60,250 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 250,560 miles, Cummins X15 diesel engine with 500 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	250,560 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 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	405656
MLS Number	13868370
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Monmouth Junction, NJ, US
Sold By	Penske Used Trucks

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

Price Drop $50,000 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	380,192 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	1/9/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

(855) 489-___ SHOW
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2021 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Newly Listed

$56,000 USD

Price includes 6 month/50k Mile Premium 2000 Warranty (Engine, Turbo, Injectors, Aftertreatment), X15 Cummins 500HP/1850Tq, Carrier APU, Espar, Fridge, Refrigerator, 12 speed Endurant...

Condition	Used
Usage	483,065 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	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	2138
MLS Number	14077675
Category	Sleeper Semi Trucks
Last Updated	1/8/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

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	1/9/2026
Location	Cranbury, NJ, US
Sold By	Penske Used Trucks

(888) 754-___ SHOW
NUMBERCall Seller

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

Newly Listed

$54,250 USD

Inspection Report

Condition	Used
Usage	162,118 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	505190
MLS Number	14077384
Category	Day Cab Semi Trucks
Last Updated	1/8/2026
Location	Joliet, IL, US
Sold By	International Motors, LLC

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

Price Drop $43,250 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	345,863 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	1/9/2026
Location	Middlefield, OH, US
Sold By	Penske Used Trucks