Used 12 Speed Trucks with Cummins Engines For Sale

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

$50,000 USD

Inspection Report

Condition	Used
Usage	226,367 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	504807
MLS Number	13940622
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	285,411 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	504816
MLS Number	13940621
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

$52,750 USD

Inspection Report

Condition	Used
Usage	199,190 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	504650
MLS Number	13940619
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

$42,500 USD

Inspection Report

Condition	Used
Usage	398,798 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	504642
MLS Number	13940618
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" Raised Roof Sleeper, Cummins 450HP, 12 Speed

Price Drop $59,500 USD

Inspection Report

Condition	Used
Usage	395,901 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	502836
MLS Number	13940616
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

2020 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

Price Drop $39,750 USD

Inspection Report

Condition	Used
Usage	235,598 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	502509
MLS Number	13940614
Category	Day Cab Semi Trucks
Last Updated	2/2/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

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

Price Drop $41,250 USD

Inspection Report

Condition	Used
Usage	319,249 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	502314
MLS Number	13940613
Category	Day Cab Semi Trucks
Last Updated	2/2/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 56" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$60,250 USD

Inspection Report

Condition	Used
Usage	304,882 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	504419
MLS Number	13928127
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Springfield, MO, US
Sold By	International Motors, LLC

2022 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$57,750 USD

Inspection Report

Condition	Used
Usage	446,023 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 2.64 ratio
Stock Number	504222
MLS Number	13928123
Category	Sleeper Semi Trucks
Last Updated	10/24/2025
Location	Springfield, MO, US
Sold By	International Motors, LLC

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

$51,250 USD

Inspection Report

Condition	Used
Usage	206,610 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	503357
MLS Number	13928118
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Springfield, MO, US
Sold By	International Motors, LLC

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

$51,250 USD

Inspection Report

Condition	Used
Usage	211,160 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	503421
MLS Number	13928115
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Springfield, MO, US
Sold By	International Motors, LLC

2021 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

Price Drop $51,250 USD

Inspection Report

Condition	Used
Usage	474,208 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 2.79 ratio
Stock Number	502832
MLS Number	13928111
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	Commerce City, CO, US
Sold By	International Motors, LLC

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

Price Drop $59,500 USD

Inspection Report

Condition	Used
Usage	379,068 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	501767
MLS Number	13928103
Category	Sleeper Semi Trucks
Last Updated	2/2/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

(833) 478-___ SHOW
NUMBERCall Seller

2020 Kenworth T680 Sleeper Semi Truck - 70" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

$55,495 USD

JUST NOW .READY TO WORK.CUMMINS 450HP ENDURANT 12SPD AUTO.DUAL EXHAUST. COLLISION MITAGATION SYSTEM,BUMPER GUARD. SUPER CLEAN

Condition	Used
Usage	526,856 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	70"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	6876C
MLS Number	13916406
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$69,900 USD

APU, Available warranty.

Inspection Report

Condition	Used
Usage	329,308 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	504841
MLS Number	13862286
Category	Sleeper Semi Trucks
Last Updated	1/13/2026
Location	La Vergne, TN, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
NUMBERCall Seller

2023 International LT625 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 400HP, 12 Speed

$79,500 USD

Inspection Report

Condition	Used
Usage	311,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear End	40,000 lb 2.79 ratio
Stock Number	504839
MLS Number	13910342
Category	Sleeper Semi Trucks
Last Updated	10/21/2025
Location	Conley, GA, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
NUMBERCall Seller

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

$47,500 USD

Inspection Report

Condition	Used
Usage	297,806 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	504727
MLS Number	13910341
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Kansas City, MO, US
Sold By	International Motors, LLC

(888) 758-___ SHOW
NUMBERCall Seller

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

$39,977 USD

Inspection Report

Condition	Used
Usage	327,257 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	504271
MLS Number	13910340
Category	Day Cab Semi Trucks
Last Updated	1/8/2026
Location	Kansas City, MO, US
Sold By	International Motors, LLC

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

$56,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale with 352,783 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	352,783 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	387532
MLS Number	13876835
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Orlando, FL, US
Sold By	Penske Used Trucks

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

$53,750 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 230" wheelbase....

Condition	Used
Usage	374,241 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	387498
MLS Number	13857390
Category	Sleeper Semi Trucks
Last Updated	2/5/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

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

$53,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 433,684 miles, Cummins X15 diesel engine with 450 HP, 12-speed automatic Eaton transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	433,684 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	387456
MLS Number	13905624
Category	Sleeper Semi Trucks
Last Updated	2/4/2026
Location	Dayton, OH, US
Sold By	Penske Used Trucks

(888) 493-___ SHOW
NUMBERCall Seller

2020 Kenworth T680 Sleeper Semi Truck

$55,495 USD

2020 Kenworth T680 – Cummins X15 / Endurant Auto, Nice clean T680 that’s ready to go. Cummins X15 rated at 450HP backed by an Endurant transmission. 70” midroof sleeper with fridge and...

Condition	Used
Usage	526,856 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	Medium Mid Roof
Sleeper Size	76"
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	6876C
MLS Number	13905610
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Palmetto, GA, US
Sold By	7E Truck Sales, LLC

(833) 490-___ SHOW
NUMBERCall Seller

2021 Kenworth T680 Sleeper Semi Truck- Cummins X15 , 450hp , Carrier Apu , 90 Day Engine , Aftertreatment, Transmission & Rear Axle Warranty Included

$51,995 USD

For sale: 2021 Kenworth T680 equipped with a powerful Cummins X15 engine delivering 450 horsepower. Features a 76-inch single bunk sleeper, Carrier APU for enhanced comfort and efficiency,...

Warranty

Condition	Used
Usage	539,522 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	Condo Sleeper
Sleeper Size	76"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	2.64 ratio
Stock Number	U425293
MLS Number	13757639
Category	Sleeper Semi Trucks
Last Updated	11/25/2025
Location	Springfield, MO, US
Sold By	Tri State Truck Center - Springfield, MO

Tri State Truck Center - Springfield, MO

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

Price Drop $46,250 USD

Used 2021 International LT625 Sleeper Semi Truck for sale, 447,910 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	447,910 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	378580
MLS Number	13899470
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Arlington, TX, US
Sold By	Penske Used Trucks