Used 12 Speed Trucks with Cummins Engines For Sale

326 - 350 of 605 listings

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

$51,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 586,553 miles, Cummins 450HP X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	586,553 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	452352
MLS Number	14045429
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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

$59,000 USD

Used 2022 International LT625 Sleeper Semi Truck with 415,446 miles, Cummins X15 diesel engine, 450 HP, 12-speed automatic Eaton transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	415,446 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	387464
MLS Number	14045374
Category	Sleeper Semi Trucks
Last Updated	2/1/2026
Location	Atlanta, GA, US
Sold By	Penske Used Trucks

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

$47,250 USD

Inspection Report

Condition	Used
Usage	255,554 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	505211
MLS Number	14044101
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Kansas City, MO, US
Sold By	International Motors, LLC

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2019 International LT Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

$29,900 USD

CLEAN SOUTHERN TRUCK, X15-450 HP, ENDURANT FULLY AUTOMATED 12 SPD TRANS, 187" WHEELBASE, TRANS HAS A PTO AND HYDRALIC PUMP AND TRUACK HAS 50 GAL ALUMINUM UP RIGHT OIL TANK, HAS PTO CONTROL...

Condition	Used
Usage	528,852 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	KL103603
MLS Number	14034288
Category	Day Cab Semi Trucks
Last Updated	12/12/2025
Location	Owatonna, MN, US
Sold By	Curt's Truck and Diesel Service Inc.

(844) 362-___ SHOW
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2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

$28,900 USD

Virgin Rubber, PM, DOT

Inspection Report

Condition	Used
Usage	364,834 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	505168
MLS Number	13965385
Category	Day Cab Semi Trucks
Last Updated	1/13/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

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

Price Drop $39,500 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 399,278 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper. Check it out today.

Condition	Used
Usage	399,278 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	332625
MLS Number	14030216
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Essex, MD, US
Sold By	Penske Used Trucks

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2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$49,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine, , 12-speed Eaton...

Condition	Used
Usage	393,214 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	401415
MLS Number	14029118
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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

$50,500 USD

395,982 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Endurant Automatic, Double Bunk Sleeper, Aluminum wheels, Battery APU, Collision Mitigation System, 2.79 Ratio,...

Condition	Used
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 2.79 ratio
Stock Number	399394
MLS Number	14028409
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

Price Drop $33,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 778,771 miles, 450 HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	778,773 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	UPP235921
MLS Number	14028255
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Dallas, TX, US
Sold By	Penske Used Trucks

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2022 International LT Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Amt

$51,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained Cummins-Powered LT!, This is a very nice truck—clean, efficient, and ready for the road! , 400 HP Cummins X15 engine (can be increased to...

Condition	Used
Usage	353,128 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	397978
MLS Number	13963752
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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

$62,500 USD

CUMMINS X1512 SPEED AUTOMATED APU

Inspection Report

Condition	Used
Usage	387,672 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	505312
MLS Number	14028237
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	La Vergne, TN, US
Sold By	International Motors, LLC

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

$59,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	272,435 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	2.79 ratio
Stock Number	133622
MLS Number	13866602
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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2022 International LT Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Amt

$58,900 USD

2022 International LT625 – 1 Owner, Fleet Maintained 450 HP Cummins International!, Extremely clean—came all the way from Texas! , 450 HP Cummins X15 engine, , 12-speed Eaton Endurant...

Condition	Used
Usage	297,982 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	172263
MLS Number	13816165
Category	Sleeper Semi Trucks
Last Updated	12/11/2025
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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

Price Drop $50,750 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, 230...

Condition	Used
Usage	449,557 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	387503
MLS Number	14024889
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Harahan, LA, US
Sold By	Penske Used Trucks

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2024 Peterbilt 579 Sleeper Semi Truck - Cummins 500HP, 12 Speed Automatic

$112,750 USD

Only 195,000 Original Miles ~ Cummins X15 ~ 500 HP ~ 12 Speed Automatic ~ Only One Owner ~ Cummins Warranty through 3/13/26 or 250K miles ~ Financing Available with Your Good Credit,

Condition	Used
Usage	195,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	837309
MLS Number	13679862
Category	Sleeper Semi Trucks
Last Updated	12/9/2025
Location	Olive Branch, MS, US
Sold By	Truck Market

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

$52,047 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	250,805 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	504262
MLS Number	14001712
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

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

$54,250 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	172,533 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	504261
MLS Number	13800587
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

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

$47,500 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	284,531 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	503432
MLS Number	13800580
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

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2021 International LT Day Cab Truck - Cummins 400HP

$29,900 USD

2021 International LT Tandem Axle Day Cab, Cummins X15 400HP Engine, 12 Spd Eaton EEO-17F112C Transmission, PTO Provisions, Air Ride Suspension, 52,350 GVW, 12,350# Meritor steer tech nxt...

Condition	Used
Usage	8,362 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	21IH022
MLS Number	14018722
Category	Day Cab Semi Trucks
Last Updated	12/5/2025
Location	London, OH, US
Sold By	Vander Haag's Inc.

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

$39,500 USD

Inspection Report

Condition	Used
Usage	305,272 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	505121
MLS Number	14018599
Category	Day Cab Semi Trucks
Last Updated	1/8/2026
Location	Tampa, FL, US
Sold By	International Motors, LLC

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2020 Kenworth T100 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

$39,900 USD

2020 Kenworth T680 Tandem Axle Day Cab, Cummins X15 450 HP Engine, Automatic 12 Spd Transmission, Air Ride Suspension, 52,350 GVW, 12,350# Front Axle, 40,000# Rear Axle, 2.79 Ratio, 177"...

Condition	Used
Usage	11,947 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 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	20KN058
MLS Number	13995892
Category	Day Cab Semi Trucks
Last Updated	12/4/2025
Location	London, OH, US
Sold By	Vander Haag's Inc.

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

$38,750 USD

Used 2020 International LT625 Sleeper Semi Truck, Integral Sleeper, Cummins X15 450HP Diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 497,150...

Condition	Used
Usage	497,150 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	62019
MLS Number	14016488
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Melrose Park, IL, US
Sold By	Penske Used Trucks

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

$37,000 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 552,177 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	552,177 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	62018
MLS Number	13868460
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Greensboro, NC, US
Sold By	Penske Used Trucks

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

$43,500 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	348,611 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	505204
MLS Number	14016417
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Shreveport, LA, US
Sold By	International Motors, LLC

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

$35,750 USD

Used 2021 International LT625 Sleeper Semi Truck with Integral Sleeper, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension, 531,902...

Condition	Used
Usage	531,902 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	20499
MLS Number	13478537
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Carlisle, PA, US
Sold By	Penske Used Trucks

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Used 12 Speed Trucks with Cummins Engines For Sale

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