Used Cummins Diesel Trucks for Sale

Cummins shoppers usually come to the market with a clear engine preference. North Texas Truck Stop carries used Ram Heavy Duty trucks equipped with Cummins diesel engines, with inventory changing as individual trucks are bought and sold. Browse the current Cummins selection first, then compare the year, configuration, condition, equipment, and history of the trucks that fit your needs.

Red 2023 Ram 3500 Big Horn 6.7L Cummins 4x4 for sale in Mansfield, TXPhotos of 2023 Ram 3500 Big Horn 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopAnother view of 2023 Ram 3500 Big Horn 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopMore photos of 2023 Ram 3500 Big Horn 6.7L Cummins 4x4 at North Texas Truck Stop, TXMore photos of 2023 Ram 3500 Big Horn 6.7L Cummins 4x4 at North Texas Truck Stop, TX
Big Horn 6.7L Cummins 4x4
was $50,000
$48,700
Red 2021 Ram 2500 Laramie Night Edition 6.7L Cummins 4x4 for sale in Mansfield, TXPhotos of 2021 Ram 2500 Laramie Night Edition 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopAnother view of 2021 Ram 2500 Laramie Night Edition 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopMore photos of 2021 Ram 2500 Laramie Night Edition 6.7L Cummins 4x4 at North Texas Truck Stop, TXMore photos of 2021 Ram 2500 Laramie Night Edition 6.7L Cummins 4x4 at North Texas Truck Stop, TX
Laramie Night Edition 6.7L Cummins 4x4
was $47,900
$46,500
White 2021 Ram 2500 Longhorn Mega Cab 6.7L Cummins 4x4 for sale in Mansfield, TXPhotos of 2021 Ram 2500 Longhorn Mega Cab 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopAnother view of 2021 Ram 2500 Longhorn Mega Cab 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopMore photos of 2021 Ram 2500 Longhorn Mega Cab 6.7L Cummins 4x4 at North Texas Truck Stop, TXMore photos of 2021 Ram 2500 Longhorn Mega Cab 6.7L Cummins 4x4 at North Texas Truck Stop, TX
Longhorn Mega Cab 6.7L Cummins 4x4
White 2024 Ram 3500 Longhorn Limited 6.7L Cummins 4x4 for sale in Mansfield, TXPhotos of 2024 Ram 3500 Longhorn Limited 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopAnother view of 2024 Ram 3500 Longhorn Limited 6.7L Cummins 4x4 for sale in Mansfield, TX at North Texas Truck StopMore photos of 2024 Ram 3500 Longhorn Limited 6.7L Cummins 4x4 at North Texas Truck Stop, TXMore photos of 2024 Ram 3500 Longhorn Limited 6.7L Cummins 4x4 at North Texas Truck Stop, TX
Longhorn Limited 6.7L Cummins 4x4
was $74,000
$72,700

Cummins and Ram Heavy Duty

Cummins diesel engines are closely associated with Ram Heavy Duty pickups in the used-truck market. Depending on the truck, shoppers may encounter Ram 2500 and Ram 3500 configurations with different cab, bed, rear-wheel, drivetrain, trim, and equipment combinations. The Cummins engine family may define the search, but the complete truck determines whether a particular Ram is the right fit. Explore Ram Diesel Trucks

Shop the Complete Used Truck

Two Cummins-powered trucks can be very different purchases. Model year, maintenance history, previous use, drivetrain, axle and rear-wheel configuration, equipment, condition, and the needs of the next owner all matter. Compare the actual trucks that are available now rather than treating the engine badge as the entire buying decision.

Want More Cummins Detail?

If you are comparing Cummins generations or researching the Ram diesel platform in more depth, use our research content for the technical questions and return here when you are ready to shop current inventory.

Related Ways to Shop

Cummins is one path into the NTTS inventory. You can also shop broadly by Ram diesel trucks, browse all Diesel Trucks, or start with Heavy Duty Trucks if capability and configuration matter more than engine family. Comparing engine families? See Power Stroke or Duramax.

Find Your Next Cummins Truck

North Texas Truck Stop is an independent used-truck dealer in Mansfield, Texas, serving local buyers and customers across the country. Browse the current Cummins inventory and contact our team when you are ready to talk about a specific Ram Heavy Duty truck.

Curious about what sets us apart? We have hundreds of positive reviews from our satisfied customers on platforms like Google, DealerRater, and more.

Google Reviews

Review from Karen Davis
Karen Davis
9/9/2026
My husband had been shopping for a truck. He saw one that he loved and reached out and got the absolute blessing of getting Grant. Grant has been nothing but helpful and just wonderful. Truck was delivered and it was EXACTLY as it was said to be. I HIGHLY recommend!
Review from Jessica Lepard
Jessica Lepard
8/17/2026
Easiest process on purchasing a truck. Great communication. Truck was in perfect condition and Grant was very transparent on every detail and awesome to work with!
Review from Fabian Gomez
Fabian Gomez
7/12/2026
Would recommend, Grant was good help, not pushy.
Review from Joe Casas
Joe Casas
7/11/2026
Great team awesome deals! My 3rd truck in 4 years!!! Can’t go wrong
Review from Savannah Sommers
Savannah Sommers
7/11/2026
Very friendly and helpful. Great quality trucks. Grant was great to work with! Second time coming back!
Review from Jose Molina
Jose Molina
7/7/2026
Tienen buenas camionetas,buen trato,el personal te ajudan con el financiamiento. Gracias

Used diesel truck dealership in Mansfield, TX serving Fort Worth, Arlington, and the DFW metroplex

North Texas Truck Stop


Street address:
8321 Rendon Bloodworth Road
Mansfield, TX 76063

Phone:
Sales: (877) 355-5008

DaySales Hours
Monday9:00 AM - 6:00 PM
Tuesday9:00 AM - 6:00 PM
Wednesday9:00 AM - 6:00 PM
Thursday9:00 AM - 6:00 PM
Friday9:00 AM - 6:00 PM
Saturday9:00 AM - 4:00 PM
SundayClosed