Used 12 Speed Trucks with Cummins Engines For Sale

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2021 International LT Day Cab Truck - Cummins 400HP

$33,900 USD

2021 International LT, Tandem Axle Day Cab, Air Ride Suspension, PTO, Cummins X15 400HP Engine, 12 Spd Eaton EEO-17F112C Transmission, 52,350 GVW, 12,350# Hendrickson STEERTEK 12.35K Front...

Condition	Used
Usage	11,656 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
Stock Number	21IH021
MLS Number	14068096
Category	Day Cab Semi Trucks
Last Updated	1/1/2026
Location	Winimac, IN, US
Sold By	Vander Haag's Inc.

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

Price Drop $42,000 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	627,854 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	UPS235760
MLS Number	14033481
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

(844) 307-___ SHOW
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2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$49,900 USD

virgin Rubber, PM, DOT, Available Warranty

Inspection Report

Condition	Used
Usage	305,715 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	505140
MLS Number	13965389
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

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2023 International LoneStar Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$64,950 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	1/3/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

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

$39,500 USD

Used 2019 International LT625 Sleeper Semi Truck with 401,283 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle,...

Condition	Used
Usage	401,283 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	332626
MLS Number	14065501
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Essex, MD, US
Sold By	Penske Used Trucks

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

$33,900 USD

2021 International LT, Cummins X15 400HP Engine, Automatic 12 Spd Eaton EEO-17F112C Transmission, Tandem Axle, Air Ride Suspension, 52,350 GVW, 12,350# Front Axle, 40,000# Rear Axle, 12,350#...

Condition	Used
Usage	9,700 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 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	21IH020
MLS Number	14064710
Category	Day Cab Semi Trucks
Last Updated	12/30/2025
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

(833) 490-___ SHOW
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2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	497,005 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066841
MLS Number	13999606
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

(833) 490-___ SHOW
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Tri State Truck Center - Springfield, MO

2021 International LT625 Sleeper, Affordable, Cummins X15 450hp, Dot Passing, Fresh Detail, Warranty Options , Zero Down Financing (WAC)

$39,950 USD

Grab this road-ready 2021 International LT before it’s gone—low-mileage Cummins X15 450HP powerhouse, butter-smooth 12-speed automatic, 215 WB, 2.79 rears with massive 200-gallon fuel...

Warranty

Quantity	13
Condition	Used
Usage	494,226 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15, Signature
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	56"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.00 ratio
Stock Number	U066838
MLS Number	13999604
Category	Sleeper Semi Trucks
Last Updated	12/30/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

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

$39,750 USD

Inspection Report

Condition	Used
Usage	439,650 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	505413
MLS Number	14064444
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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

$47,500 USD

Inspection Report

Condition	Used
Usage	295,203 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	505427
MLS Number	14064440
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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2023 International LoneStar Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$64,950 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	13993294
Category	Sleeper Semi Trucks
Last Updated	1/4/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

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

$39,000 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 609,988 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	610,013 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	387476
MLS Number	13591295
Category	Sleeper Semi Trucks
Last Updated	1/30/2026
Location	Orlando, FL, US
Sold By	Penske Used Trucks

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

$30,000 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 649,353 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	649,353 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	332579
MLS Number	14063825
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

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

$27,500 USD

Used 2019 International LT625 Sleeper Semi Truck, 692,942 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, white. Check...

Condition	Used
Usage	692,942 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	332578
MLS Number	14063824
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	El Paso, TX, US
Sold By	Penske Used Trucks

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

$74,750 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	1/25/2026
Location	Corpus Christi, TX, US
Sold By	Penske Used Trucks

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

$80,000 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	1/27/2026
Location	Richland, MS, US
Sold By	Penske Used Trucks

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

$32,750 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	1/25/2026
Location	Concord, NC, US
Sold By	Penske Used Trucks

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

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

$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

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

$59,500 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	1/25/2026
Location	Billings, MT, US
Sold By	Penske Used Trucks

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

$43,500 USD

Inspection Report

Condition	Used
Usage	336,795 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	505201
MLS Number	14056446
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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

$47,250 USD

Inspection Report

Condition	Used
Usage	255,402 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	505191
MLS Number	14056445
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Philadelphia, PA, US
Sold By	International Motors, LLC

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

$60,750 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	1/25/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

(855) 807-___ SHOW
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2021 International LT Day Cab Truck - Cummins 450HP, 12 Speed Endurant Automatic

$37,500 USD

FLEET MAINTAINED INTERNATIONAL LT 625, CUMMINS X15, 450HP, 12 SPEED EATON ENDURANT TRANSMISSION, 2.79 RATIOS, NEW BRIDGESTONE VIRGIN RUBBER ALL THE WAY AROUND, READY TO WORK! JB HUNT...

Quantity	8
Condition	Used
Usage	375,545 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	7144
MLS Number	13988081
Category	Day Cab Semi Trucks
Last Updated	12/23/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd