12 Speed Trucks with Cummins Engines For Sale

2019 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated

$29,500 USD

Used 2019 International LT625 Day Cab Truck for sale, 421,303 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	426,900 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 2.79 ratio
Stock Number	52931
MLS Number	13293741
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Muskegon, MI, US
Sold By	Penske Used Trucks

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

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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	1/7/2026
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

Newly Listed

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

Newly Listed

$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	1/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(724) 243-___ SHOW
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2023 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$69,900 USD

Well maintained Peterbilt 579 with Cummins power, PM and DOT in our shop, Detailed, Truck is ready to work,

Condition	Used
Usage	488,310 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	8x4
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 3.08 ratio
Stock Number	238955
MLS Number	14075109
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(724) 243-___ SHOW
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2023 Peterbilt 579 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$69,900 USD

Well maintained Peterbilt 579 with Cummins power, PM and DOT in our shop, Detailed, Truck is ready to work,

Condition	Used
Usage	434,348 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	8x4
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 3.08 ratio
Stock Number	238959
MLS Number	14075079
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(833) 300-___ SHOW
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2021 Peterbilt 579 Day Cab Truck - Cummins 400HP, 12 Speed Endurant Amt

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Contact for price

395525 Miles, 12729 Hours, Engine: CUMMINS X15E, 400 HP, Fuel Type: Diesel, 12 Speed Endurant AMT Transmission, Drive: 6x4, Flex Air Suspension, Tires: 11R22.5 / 275/80R22.5, Wheels:...

Condition	Used
Usage	12,729 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15E
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.08 ratio
Stock Number	C-37023
MLS Number	13985197
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

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

Price Drop $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

Price Drop $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

Price Drop $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

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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

Recently Updated

$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

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

Price Drop $52,750 USD

Used 2019 International LT625 Sleeper Semi Truck for sale, 253,715 miles, Cummins 450HP X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	253,715 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	332655
MLS Number	14040578
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Greeley, CO, US
Sold By	Penske Used Trucks

(570) 638-___ SHOW
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2023 Peterbilt 567 Sleeper Semi Truck

Recently Updated

$119,900 USD

Balance of FACTORY WARRANTY / Financing Available Balance of 5yr/400,000 mile Engine, Aftertreatment, Base Vehicle transfers to new owner!!! 2023 PETERBILT 567 58" SLEEPER, PLEASE CALL...

Condition	Used
Usage	280,097 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	Flat Top Sleeper
Sleeper Size	58"
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	259222
MLS Number	13568455
Category	Sleeper Semi Trucks
Last Updated	1/7/2026
Location	Scranton, PA, US
Sold By	Hunter Truck

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, 683,920 miles, Cummins X15 diesel engine with 450 HP, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, 28,200...

Condition	Used
Usage	683,921 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	UPS235770
MLS Number	14016321
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	San Antonio, TX, US
Sold By	Penske Used Trucks

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

Recently Updated

$54,500 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	1/6/2026
Location	Bensalem, PA, US
Sold By	Penske Used Trucks

2023 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Integral Sleeper, Cummins 470HP, 12 Speed Automatic

Recently Updated

$69,250 USD

Used 2023 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 571,173 miles, 470 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 72" integral sleeper, tandem rear...

Condition	Used
Usage	578,410 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	470 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 3.08 ratio
Stock Number	199199
MLS Number	14016277
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Anaheim, CA, US
Sold By	Penske Used Trucks

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

Recently Updated

$80,750 USD

Used 2023 International LT625 Day Cab Truck for sale, 251,636 miles, Cummins X15 diesel engine, 450 HP, 12-speed Eaton automatic transmission, tandem rear axle, air ride suspension,...

Condition	Used
Usage	252,634 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	187954
MLS Number	14016267
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Moberly, MO, US
Sold By	Penske Used Trucks

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

Price Drop $64,500 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	1/6/2026
Location	Chino, CA, US
Sold By	Penske Used Trucks

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2022 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Newly Listed

$79,995 USD

2022 PETERBILT 579, CUMMINS X15, 450 HP, AUTOMATIC TRANMISSION 12 SPEED, 340,787 MILES, APU, ORG TIRES FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT,...

Condition	Used
Usage	340,787 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	9272
MLS Number	14072473
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2022 Peterbilt 579 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Newly Listed

$79,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, CUMMINS X15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE SIMILAR...

Condition	Used
Usage	340,787 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	9272
MLS Number	14072416
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet