Diesel Specialists of Madison

09/17/2026

Dear valued Customer, please note that Diesel Specialist of Madison and Larry's Tire will close early on Friday, September 18th at noon so our Team can attend the funeral of a member of our business family. We apologize for any inconvenience and appreciate your support and understanding during this time. We will resume normal business hours on Monday September 21th.

08/28/2026

Rebuilt 2019 6.7 Dodge Cummins Engine also ready to go! Give us call 608-249-6010!

08/28/2026

Rebuilt 855 Cummins is ready to go! Call us 608-249-6010!

08/28/2026

This rebuilt 4BT Engine is ready to go! Give us a call 608-249-6010!

07/01/2026

We will be closed on Friday, July 3rd in observance of Independence Day. Have a happy and safe 4th of July!

12/23/2025

We will be closed on 12/25 and 12/26 to spend the Holiday with our Families.

11/26/2025

Diesel Specialist of Madison will be closed in observance of Thanksgiving on Thursday, November 27 and on Friday ,November 28. We will be open during regular business hours on Monday, December 1.

11/24/2025

Good used 8.3 Cummins Engine

11/24/2025

Reman 4B Cummins Engine

07/04/2025