About our owner

About our owner

Our owner, RJ Manfredi, has more than 30 years of experience in the truck repair business. He brings his knowledge and skill to the shop to ensure that you get the best quality repairs. His son, Branden, is also a certified truck mechanic with years of experience under his belt. Together, the family works in unison to give you the best!

Our difference

  • Over 30 years of experience
  • ASE certified
  • Master Truck Technician
  • Family-owned and operated business
  • Specialize in truck repairs
  • Heavy equipment repairs
  • Emergency roadside service
  • Excellent customer service

Count on us for all of your diesel repairs and maintenance. We are also certified to handle all types of vehicle inspections. Your truck deserves the best!


ALL of your work through RJ’s Diesel Repair Inc. comes with a 1-year limited warranty. Call 860-599-3088 to schedule an appointment today.