Used 12 Speed Trucks with Cummins Engines For Sale

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

Price Drop $33,000 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	1/25/2026
Location	Louisville, KY, US
Sold By	Penske Used Trucks

(888) 754-___ SHOW
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2021 International LT625 Day Cab Truck - Cummins 400HP, 12 Speed

$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

$28,000 USD

Used 2020 International LT625 Sleeper Semi Truck for sale, 666,477 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	666,778 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	338065
MLS Number	14030291
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Brooklyn Park, MN, US
Sold By	Penske Used Trucks

(323) 712-___ SHOW
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2017 Peterbilt 579 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$38,900 USD

645909 Miles, Engine: CUMMINS ISX15, 450 HP, 12 Speed Automatic Transmission, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Tandem Rear Axles

Condition	Used
Usage	645,909 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins ISX15
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	L17358
MLS Number	13680162
Category	Sleeper Semi Trucks
Last Updated	1/15/2026
Location	Kansas City, KS, US
Sold By	TCI Transportation

(713) 532-___ SHOW
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2020 Freightliner Cascadia 116 Day Cab Truck - Cummins 400HP, 12 Speed Automatic

$88,900 USD

Hard to find a cleaner one 2020 Freightliner Cascadia 116 CNG with just 152K miles Runs like it should, automatic 12-speed, Cummins ISX12N, DOT ready. If you're serious about saving on fuel...

Quantity	5
Condition	Used
Usage	152,591 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins ISX12N
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	20534
MLS Number	13560196
Category	Day Cab Semi Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

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

Price Drop $42,500 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 621,864 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle...

Condition	Used
Usage	621,864 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	UPP235967
MLS Number	14075376
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

(833) 801-___ SHOW
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2021 International LT Day Cab Truck - Cummins 400HP, 12 Speed Amt

$26,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, AUTOMATED TRANSMISSION, AIR SEAT, SMART WHEEL, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	443,150 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 Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21X15443LTDC
MLS Number	14075132
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

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

$26,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, AUTOMATED TRANSMISSION, AIR SEAT, SMART WHEEL, POWER WINDOWS, POWER MIRRORS, HEATED MIRRORS, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH!,

Condition	Used
Usage	409,222 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 Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	21X15409LTDC
MLS Number	14075118
Category	Day Cab Semi Trucks
Last Updated	1/10/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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

$36,000 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	371,762 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	503350
MLS Number	14007594
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$38,000 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	311,794 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	503024
MLS Number	14007585
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$25,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	426,669 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	503004
MLS Number	14007584
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$74,250 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms..

Inspection Report

Condition	Used
Usage	290,423 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	4,000 lb 2.79 ratio
Stock Number	502915
MLS Number	13755405
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

2021 International LT625 Sleeper Semi Truck - 73" Hi Rise Sleeper, Cummins 400HP, 12 Speed

$42,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	435,990 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	73"
Suspension	Air Ride
Rear End	20,000 lb 2.64 ratio
Stock Number	503044
MLS Number	13714087
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$75,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	263,142 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	4,000 lb 2.79 ratio
Stock Number	502448
MLS Number	13952352
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$71,750 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	333,246 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	4,000 lb 2.79 ratio
Stock Number	502447
MLS Number	13955150
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$51,500 USD

Take full advantage of Manager Special discounted pricing. *All pricing is subject to approval and terms.

Inspection Report

Condition	Used
Usage	390,627 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	502472
MLS Number	13885230
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	West Sacramento, CA, US
Sold By	International Motors, LLC

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

$53,250 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 519,590 miles, 450 HP Cummins X15 engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air ride...

Condition	Used
Usage	519,605 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	UPS235763
MLS Number	14064513
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

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

$65,750 USD

Used 2022 International LT625 Sleeper Semi Truck for sale, 406,451 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	406,472 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	454293
MLS Number	13876858
Category	Sleeper Semi Trucks
Last Updated	1/28/2026
Location	Fontana, CA, US
Sold By	Penske Used Trucks

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

$58,250 USD

Inspection Report

Condition	Used
Usage	486,494 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	505475
MLS Number	14071782
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Etna, OH, US
Sold By	International Motors, LLC

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

$50,000 USD

Inspection Report

Condition	Used
Usage	247,688 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	503602
MLS Number	14071778
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Joliet, IL, US
Sold By	International Motors, LLC

2020 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

$42,000 USD

Used 2020 International LT625 Day Cab Truck with Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear air ride suspension, 12350 lbs front axle, 40000 lbs...

Condition	Used
Usage	362,409 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	359896
MLS Number	14071775
Category	Day Cab Semi Trucks
Last Updated	1/25/2026
Location	Nashville, TN, US
Sold By	Penske Used Trucks

(484) 544-___ SHOW
NUMBERCall Seller

2021 Peterbilt 579 Sleeper Semi Truck - Flat Top Sleeper, Cummins 450HP, 12 Speed Endurant Amt

$55,900 USD

Cummins Powered Low Roof short bunk. Perfect for Regional Work with overnight runs

Condition	Used
Usage	13,115 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	229299
MLS Number	13910419
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Allentown, PA, US
Sold By	Hunter Truck

(716) 218-___ SHOW
NUMBERCall Seller

2021 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Amt

$45,900 USD

CUMMINS X15 450 HP,12 SPD AUTO TRANS,12500 FRT, 40K RR,2.93 RATIO,LOW AIR LEAF SUSP,ALUM WHKS 72" SLEEPER,,

Condition	Used
Usage	529,714 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	72"
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.93 ratio
Stock Number	228785
MLS Number	13857950
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Buffalo, NY, US
Sold By	Hunter Truck

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

Price Drop $39,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 652,608 miles, Cummins X15 450HP diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	652,651 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	UPP235970
MLS Number	14016290
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks