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Heavy-Duty Truck and Trailer Repair

Keeping your big rigs, dump trucks, and box trucks on the road with dealer-level precision.
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The Trusted Alternative to the Mega-Shops

When your truck is down, your income stops. At Swift Repairs, we treat your equipment with the urgency it deserves. Since 2003, we’ve been the go-to facility in Lewisburg, Shelbyville and surrounding areas for drivers who need need a repair they can trust.

We specialize in high-stakes diesel repair for semi-trucks, box trucks, dump trucks, and trailers. Our shop is built on the "Golden Rule": we treat your rig exactly how we would want our own treated, ensuring every bolt is tightened and every diagnostic code is fully resolved before you leave our lot.

WHAT WE OFFER
Our Comprehensive Truck & Trailer Services

We handle virtually every aspect of heavy-duty repair and maintenance (excluding body work). Our technicians are trained to handle the complexities of modern diesel engines and the rugged demands of trailer maintenance.
 
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Preventative Maintenance (PM) & Fleet Care

Routine maintenance is the difference between a profitable haul and a costly breakdown. Our PM services are thorough, including:
 
  • Oil & Filter Services: Using high-quality filtration and lubricants.
  • Fluid Analysis: Identifying potential engine issues before they lead to failure.
  • Complete Grease & Lube: Ensuring all moving parts of the chassis and driveline are protected.
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Advanced Engine Repair & Diagnostics
Don’t let a "Check Engine" light or a derate stop your progress. We offer:
 
  • Minor & Major Engine Repair: From simple gasket replacements to complete in-frame and out-of-frame rebuilds.
  • After-Treatment Service: Specialized repair and maintenance for DPF, SCR, and DOC systems to keep you compliant and running clean.
  • Electronic Troubleshooting: We go beyond reading codes. Our experts track down wiring and sensor issues that others often miss.
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Chassis, Brakes & Driveline

A truck is only as good as the systems that stop and steer it.
 
  • Brake Systems: Full service for air brakes, drums, and shoes.
  • Driveline & Suspension: Repairing U-joints, carrier bearings, leaf springs, and air bags to ensure a smooth, safe ride.
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DOT Annual & Landstar Inspections

Stay compliant and safe. We are authorized to perform:
 
  • Standard DOT Annual Inspections
  • Landstar-Specific Inspections: We don’t just "check the boxes"—we provide a detailed report of any potential safety concerns so you can address them on your terms.
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HVAC & Engine Cooling Systems

Temperature management is critical for both driver comfort and engine health. We provide expert service for your cab and cooling systems.
 
  • Cab Climate Control (HVAC): Complete diagnostics and repair of heating and A/C systems, including compressors, condensers, and blower motors.
  • Engine Cooling & Radiator Repair: Specialized service for radiators, water pumps, and thermostats to resolve overheating issues and prevent engine damage.
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We Use OEM Software

The biggest hurdle for many independent shops is technology. At Swift Repairs, we have invested in all OEM diagnostic software. This means we have the exact same capabilities as the name-brand dealerships.

• Precision Diagnostics:
We can communicate with every control module in your truck.

• All Makes & Models:
Whether you’re running Cummins, Detroit, PACCAR, or Mack/Volvo, we have the software to talk to your engine.

• Forced Regens & Parameter Changes:
We can perform necessary system resets and software-driven tests that standard "code readers" simply cannot do.
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Ready to Schedule?

Don't let a minor issue turn into a major overhaul. Contact the experts at Swift Repairs today for a quote or to schedule your next service.
Call Now: (931) 359-3349 Get Directions to the Shop