Diesel Plus is a trusted, full-service diesel repair shop located in Ringgold, Georgia (at 2392 Pine Grove Rd), founded in 2001 by Mike Perkins (often known as “Dr. Diesel” from his local radio appearances).
We handle a wide range of diesel-powered equipment, including heavy commercial trucks, pickups, farm tractors, Sprinter vans, generators, RVs, trailers, and even diesel lawnmowers—from VW Beetles all the way up to massive Caterpillar dozers.
Our comprehensive services cover:
•  Fuel system repairs
•  Turbocharger repairs
•  Brakes (all types)
•  AC and heating systems
•  Electrical diagnostics and troubleshooting
•  Battery and charging system work
•  Check engine light resolutions
•  Emissions systems
•  Wheel alignments (especially for heavier vehicles)
•  Tire balancing
•  DOT inspections
•  In-house DPF (Diesel Particulate Filter) cleaning
We’re an authorized dealer for Volvo Penta Marine and Industrial (including Certified Uptime Dealer status for top-tier service and parts), Isuzu Industrial, and FPT Diesel. We test, and sell fuel injection systems and engine parts across major manufacturers.
We also maintain a well-stocked parts department and serve as an authorized dealer for Volvo parts and service.
At Diesel Plus, we treat every customer’s rig like it’s our own—prioritizing quality workmanship, reliability, fair pricing, and fast turnaround to minimize downtime and get you back on the road (or in the field) quickly.
For more details, check out our website at dieselplus.com, give us a call at (706) 866-3619, or stop by—we’re here to serve Southeast Tennessee and Northwest Georgia diesel needs!

Diesel Plus Llc

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Diesel Plus Llc

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