Welcome to the Hunley Repair & Diagnostics website. Thank you for visiting us. We are here to serve your diesel engine needs. Whether you are repowering a piece of equipment or in need of a power unit for your stationary application, Hunley Repair & Diagnostics can help.
Hunley Repair and Diagnostics is an authorized Cummins dealer and we offer the following products:
Cummins Engine conversion Kits
Cummins Repower Kits
Complete Engines (Cummins, Perkins, or Delitz)
AC Engine & Cummins Engine Rebuilding
Fleetguard & Donaldson Filters
Used Engines
We would like the opportunity to earn your business by providing you with great expert diesel engine knowledge, and honest answers.
If you have any questions or would like a quote, please contact us and we will be glad to help you out.

Attended Nashville Auto Diesel College 1969-1970. Former Allis-Chalmers Dealer, started in 1968 by Parents.
First to convert 7000 Series Allis-Chalmers to Cummins converting a 7045 Power Shift A-C
Tractor to 8.3 Cummins, working closely with A-C Drivetrain Engineers. We still use this tractor today.
Then shortly after built a kit with a 5.9 Liter Cummins. Then Next an 8550 with an 855 Cummins. Then Next converting 8000 Series and 4W305.
The Kits offered today are 7010 thru 7580 and 8010 thru 4W220.
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