Truck Engine Repair, Rebuild, Overhaul & Conversion in Polk City, FL

Diesel Engine Repair in Polk City, FL

Without an engine, your heavy-duty diesel ain't going anywhere. Your engine is the core of your truck's performance. If it's not running right, nothing else matters. MTI Mobile Repair Services brings dealership-level engine expertise directly to your vehicle. From simple fixes to full-blown rebuilds, building engines is what we do, and we do it best. 

We service all major diesel engine makes and models, including Caterpillar, Cummins, Detroit, and International. Our mobile setup allows us to diagnose, repair, or rebuild your engine on-site, saving you time, towing costs, and long shop delays.

What engine repairs do we handle? 

• Engine diagnostics and troubleshooting
• Head gasket and seal replacements
• Injector and fuel system repairs
• Turbocharger inspection and service
• Crankshaft, camshaft, and valve repair
• Engine in-frame and out-of-frame rebuilds
• Full overhauls with updated components
• Engine conversion and repowering for older equipment
• Oil leaks, overheating, and compression loss diagnosis
• Preventive maintenance and performance tuning

We use quality parts and proven repair procedures to ensure your engine runs stronger and lasts longer.

Engine Repairs Are What We Were Raised On

To say we cut our teeth fixing trucks and rebuilding engines is not an understatement. From a young age, we learned how to fix things that go vroom, vroom and turned that into a business built on passion, details, and doing it right. We don't just do the job; we do it like we're working on our own trucks.  Every engine repair is approached with precision, honesty, and a commitment to reliability.

What Makes Us the Right Choice:

• Mobile-only service at your job site, yard, or roadside
• Honest diagnostics before we begin any teardown
• Complete engine rebuilds without the shop wait
• Engine conversions to meet new performance or emissions goals
• Serving Polk, Lake, Orange, and Osceola counties

Contact Us About Truck Engine Repair Now: Call 352-769-7646

If your truck's engine is worn, damaged, or overdue for a rebuild, don't wait for it to fail on the road. Call MTI Mobile Repair Services at 352-769-7646 for expert diesel engine repair, rebuild, overhaul, or conversion in Polk County, Florida.

FAQs

What Areas Do You Serve For Engine Repairs?

We serve Polk City, Florida and provide mobile engine services throughout Lake County, Orange County, Osceola County, and all of Polk County.

What's the Difference Between a Rebuild and an Overhaul?

A rebuild typically replaces worn parts to return the engine to good working order. An overhaul involves restoring or upgrading all major components to factory-level or better condition.

How Do I Know If I Need an Engine Rebuild?

Signs include low oil pressure, excessive smoke, knocking sounds, poor fuel economy, or consistent trouble codes. We can run full diagnostics to determine if a rebuild is needed.

How Can I Get Engine Repair or Rebuild Services?

Call 352-769-7646 to schedule an inspection. We'll visit your location, assess the engine, and recommend the best solution for repair or replacement.