Professional Engine Services for Heavy‑Duty Diesel Fleets
Fleet vehicles put immense demands on their engines day in and day out. At RG Diesel, LLC in Greeneville, TN, we specialize in engine services designed for diesel work trucks, service fleets, and heavy‑duty applications. Whether you operate Ford Powerstroke, Dodge Cummins, or Chevy Duramax units, our trained technicians provide comprehensive engine maintenance, diagnostics, and repairs to keep your fleet running efficiently and reliably.
Call 423‑823‑9987 or visit 3460 W Andrew Johnson Hwy for expert diesel engine support.
Prompt attention to engine issues helps avoid costly breakdowns and unscheduled downtime. Schedule an engine evaluation if your truck shows any of the following:
- Loss of power or engine hesitations
- Excessive smoke or unusual exhaust color
- Rough idle or engine vibration
- Overheating or cooling system concerns
- Engine warning lights or diagnostic codes
- Slow acceleration under load
Getting ahead of engine wear means better performance, greater uptime, and lower total cost of ownership.
Belts & Hoses Inspection & Replacement
Cooling System Service
Diesel Fuel System Maintenance
Exhaust System Care
Water Pump Inspection & Replacement
Engine Diagnostics & Tune‑Ups
Diesel engines are powerful but complex machines. Regular engine work ensures stability under load, reduces the risk of failure during critical operations, and helps preserve resale value. Whether your vehicles haul materials, respond to emergencies, or support daily logistics, RG Diesel, LLC offers the expertise and equipment needed to maintain peak performance.
How often should fleet diesel engines be inspected?
Inspections at every scheduled maintenance interval or every 10,000 miles help catch issues early and prevent major repairs.
Can cooling problems damage the engine?
Yes. Overheating can lead to head gasket failures, warped components, and costly downtime.
Why is injector maintenance important?
Dirty or worn injectors reduce fuel efficiency and power and can lead to increased emissions.
Can you work on both gasoline and diesel fleet engines?
We specialize in diesel. Gasoline engines have different maintenance needs, but we can refer you to trusted partners if necessary.
- 4×4 Services
- AC Repair
- Brakes
- Diesel Vehicle Care
- Domestic Diesel Trucks
- Electrical Services
- Electronic Services
- Engine & Transmission
- Engine Maintenance
- Fleet Brakes
- Fleet Drive Train
- Fleet Electrical
- Fleet Electronics
- Fleet General Services
- Fleet Suspension Work
- General Services
- High Performance Brakes
- High Performance Cooling
- High Performance Engine Repair
- High Performance Exhaust
- High Performance Transmission Repair
- High-Performance Suspension
- Miscellaneous Services
- Quick Lube Services
- Transmission Services
- Undercar Services
