Used 12 Speed Trucks with Cummins Engines For Sale

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2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	68,053 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	983-3503
MLS Number	13329281
Category	Day Cab Semi Trucks
Last Updated	1/22/2026
Location	Baltimore, MD, US
Sold By	All Roads Trucks

(561) 882-___ SHOW
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2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	32,610 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	983-3502
MLS Number	13329277
Category	Day Cab Semi Trucks
Last Updated	1/22/2026
Location	Riviera Beach, FL, US
Sold By	All Roads Trucks

(954) 523-___ SHOW
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2025 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$169,995 USD

2025 Kenworth T880 Day Cab, Cummins X15 Productivity Series, 450 horsepower @ 1900 RPM, 1750 lb-ft torque @ 900 RPM, Eaton Endurant EEO17F112C 12-speed automated transmission, 1750 lb-ft...

Condition	Used
Usage	69,289 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	AG 460
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	983-3501
MLS Number	13329275
Category	Day Cab Semi Trucks
Last Updated	1/22/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

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

Newly Listed

$43,000 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 618,266 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	618,266 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	UPP236467
MLS Number	14100143
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Columbus, OH, US
Sold By	Penske Used Trucks

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

Newly Listed

$33,750 USD

Used 2023 International LT625 Sleeper Semi Truck for sale, 719,228 miles, 450 HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	719,228 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	UPP236006
MLS Number	14100142
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Columbus, OH, US
Sold By	Penske Used Trucks

2023 International LoneStar Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Dt12 Automatic

Newly Listed

$74,950 USD

2023 INTERNATIONAL LONESTAR SLEEPER – MUST SEE! This 2023 International LoneStar is a sharp, driver-focused sleeper built for long-haul comfort and dependable performance. Powered by a 450...

Condition	Used
Usage	356,147 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	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11065
MLS Number	14099949
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2023 International LoneStar Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Dt12 Automatic

Newly Listed

$74,950 USD

2023 INTERNATIONAL LONESTAR SLEEPER – MUST SEE! This 2023 International LoneStar is a sharp, driver-focused sleeper built for long-haul comfort and dependable performance. Powered by a 450...

Condition	Used
Usage	356,147 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	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	MO11065
MLS Number	14099947
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

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2021 International LT Day Cab Truck - Cummins 400HP

Newly Listed

$33,900 USD

2021 International LT Day Cab, Cummins X15 400HP Engine, 12 Spd Eaton EEO-17F112C Transmission, AC, Cruise, Air Ride Suspension, 52,350 GVW, 12,350# Front Axle, 40,000# Rear Axle, 175"...

Condition	Used
Usage	10,692 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	21IH027
MLS Number	14099896
Category	Day Cab Semi Trucks
Last Updated	1/20/2026
Location	Council Bluffs, IA, US
Sold By	Vander Haag's Inc.

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

Price Drop $34,750 USD

Used 2021 International LT625 Day Cab Semi Truck, 314,298 miles, Cummins X15 diesel engine with 400 HP, 12-speed Eaton automatic transmission, single rear axle, air ride suspension. Check it...

Condition	Used
Usage	315,312 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Cummins X15
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb 3.07 ratio
Stock Number	U521001
MLS Number	14085827
Category	Day Cab Semi Trucks
Last Updated	1/25/2026
Location	Allentown, PA, US
Sold By	Penske Used Trucks

2021 International LT625 Day Cab Truck - Cummins 450HP, 12 Speed Automatic

Recently Updated

$33,250 USD

Used 2021 International LT625 Day Cab Semi Truck with Cummins X15 diesel engine, 450 HP, and 12-speed Eaton automatic transmission. Features air ride suspension, tandem rear axle, 160-gallon...

Condition	Used
Usage	494,621 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 3.25 ratio
Stock Number	371383
MLS Number	13584180
Category	Day Cab Semi Trucks
Last Updated	1/25/2026
Location	Conklin, NY, US
Sold By	Penske Used Trucks

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

Price Drop $56,995 USD

FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME BUYERS WELCOME, EXTENDED WARRANTIES AVAILABLE, TRADE INS WELCOME, NATIONWIDE DELIVERY AVAILABLE...

Condition	Used
Usage	435,000 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	2450
MLS Number	14054734
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2020 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $43,995 USD

2020 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 588,000 MILES, FLEET MAINTAINED, MID-ROOF FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT,...

Condition	Used
Usage	588,000 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	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	2034
MLS Number	14029249
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2020 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $56,995 USD

2020 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 419,721 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	419,721 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	2457
MLS Number	14029231
Category	Sleeper Semi Trucks
Last Updated	1/22/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $74,995 USD

2022 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 378,279 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME...

Condition	Used
Usage	348,279 Miles
Duty Class	Heavy Duty Sleeper Semi 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
Stock Number	5077
MLS Number	14029224
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Newly Listed

$31,000 USD

Used 2020 International LT625 Sleeper Semi Truck with 653,000 miles, 450HP Cummins X15 diesel engine, 12-speed Eaton automatic transmission, 73" integral sleeper, 200-gallon fuel capacity....

Condition	Used
Usage	653,000 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	359650
MLS Number	14099027
Category	Sleeper Semi Trucks
Last Updated	1/25/2026
Location	Las Vegas, NV, US
Sold By	Penske Used Trucks

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$81,995 USD

2022 KENWORTH T680 NEXT GEN, CUMMINS X15, 450 HP, AUTOMATIC TRANSMISSION, 303,000 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED...

Condition	Used
Usage	303,000 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	5209
MLS Number	13985517
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Price Drop $65,995 USD

2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 383,863 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME...

Condition	Used
Usage	383,863 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	6008
MLS Number	13985516
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $66,995 USD

2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 369,558 MILES, FLEET MAINTAINED MULTIPLE UNITS AVAILABLE FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON...

Condition	Used
Usage	369,558 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	5997
MLS Number	13985515
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2022 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $76,995 USD

2022 KENWORTH T680 NEXT GEN, CUMMINS X15, AUTOMATIC TRANSMISSION, 389,117 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST...

Condition	Used
Usage	389,117 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	5100
MLS Number	13985494
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

2021 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Automatic

Price Drop $59,995 USD

2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 495,540 MILES, FLEET MAINTAINED FINANCING AVAILABLE FOR ALL CREDIT TYPES, ZERO DOWN AVAILABLE ON APPROVED CREDIT, FIRST TIME...

Condition	Used
Usage	495,540 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	5862
MLS Number	13985491
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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

Price Drop $51,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2020 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 504,000 MILES, FLEET MAINTAINED, READY TO WORK ...

Condition	Used
Usage	504,000 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	8536
MLS Number	13879857
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

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2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop $72,950 USD

For Sale: 2022 Kenworth T880 Sleeper Equipped with a 450hp Cummins X15, paired with an Endurant 12-Speed Automatic Transmission. Additional Features Include: 76" Mid Roof Single Bunk Sleeper...

Condition	Used
Usage	274,451 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MO10777
MLS Number	13852457
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop $72,950 USD

For Sale: 2022 Kenworth T880 Sleeper, *Stock Photos of Matching Unit. More Pictures Coming Soon!*, Equipped with a 450hp Cummins X15, paired with an Endurant 12-Speed Automatic Transmission....

Condition	Used
Usage	274,451 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	MO10777
MLS Number	13852456
Category	Sleeper Semi Trucks
Last Updated	1/20/2026
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

2022 Kenworth T880 Sleeper Semi Truck - 76" Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$59,950 USD

Take a look at this 2022 Kenworth T880 powered by a Cummins X15 rated at 450 HP and paired with an Endurant 12-speed automated transmission with a 2.85 ratio, set up for efficient highway...

Condition	Used
Usage	484,747 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	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	CO10775
MLS Number	13852454
Category	Sleeper Semi Trucks
Last Updated	1/23/2026
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks