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Mobile Heavy-Duty Diesel Repair Services in Polk City, FL
When you want professional diesel truck and equipment repairs, you want MTI Mobile Repair Services. We provide on-site repairs to save you time, cost, and the hassle of towing. With more than a decade of experience behind every repair, MTI Mobile Repairs brings precision, reliability, and attention to detail directly to your location anywhere in Polk City or throughout Lake, Orange, Osceola, and Polk counties.
If it's diesel-powered and built to work, we can fix it.
Our Core Services
When it comes to diesel repairs, we specialize in the following services:
DOT Inspections
We perform DOT-compliant inspections to keep you on the road and in line with regulations. We'll let you know what needs fixing, and fix it on-site if needed.
Preventive Maintenance
Routine checks, filter changes, belt inspections, and lubrication services are designed to identify minor issues before they escalate into major problems.
Engine Diagnostics & Rebuilds
We diagnose and rebuild diesel engines with accuracy and care. Whether it's a sensor issue or a complete overhaul, we'll get your engine running strong.
Electrical & ECM Tuning
When it comes to electrical repairs, we handle anything from batteries to alternators to wiring issues. We also offer ECM tuning to enhance performance, improve fuel efficiency, or ensure compliance.
Transmission & Driveline
MTI Mobile Repairs can handle minor transmission issues to full clutch replacements and driveline repairs, including differentials and u-joints.
Axle, Suspension & Steering
Don't let a broken axle or worn suspension get you off track. We can get you rolling with axle repairs, suspension adjustments, and component replacements. When it comes to handling issues, we can address problems that affect the handling, load stability, and tire wear of your rig.
Brake System Repairs
Servicing critical components, such as air and hydraulic brakes, is something you can count on with MTI Mobile Repairs, whether it's drums, shoes, valves, or slack adjusters. Safety starts with stopping power.
Cooling & HVAC
Keeping your heavy-duty truck cool is important. We repair radiators, fan clutches, water pumps, and full HVAC systems to keep your truck from overheating and your cab comfortable year-round.
Exhaust, EGR & DPF
Whether it's your after-treatment system or repairing exhaust leaks, we will inspect, clean and repair to keep you compliant.
Oil & Fluid Services
From routine and express oil changes, fluid top-offs, and full lube services, oil and fluid services are part of regular preventive maintenance or emergency calls.
Specialized Mobile Services
More than your standard heavy-duty diesel repairs, we also offer:
Trailer & RV Repair
More than just heavy-duty diesels, we service the things they haul: trailers and RVs. Let us handle everything from electrical issues to suspension, brakes, and lighting.
Roadside Assistance
Breakdowns don't wait for you to pull into a shop. If your truck's down, we'll come to you fast with the tools to get it running again.
Hydraulic Repairs
We diagnose and repair mobile hydraulic systems used in heavy equipment, trailers, and lift mechanisms.
Why Choose MTI?
- Fully mobile service that comes to you
- Skilled diesel mechanic with dealership-level expertise
- Honest, accurate diagnostics, no guesswork
- Focused on quality, not speed
- Serving Lake, Orange, Osceola, and Polk counties
Call 352-769-7646 to schedule service or learn more about how we can keep your diesel equipment running strong.
Truck Repairs That Come To You
We’re not a big dealership or a chain shop. We’re a mobile-only service, which means we focus on getting your truck fixed right where it sits. MTI started after our founder, Mike Irwin, spent 18 years working in an international dealership. Diesel runs in his blood, having grown up in a family of drivers and racers.
Here’s what sets us apart:
- We show up when we say we will
- We take the time to do things right
- We don't upsell or cut corners
- We explain every issue and solution
- We get your truck running like it should
Our Services Include:
- Engine diagnostics, rebuilds
- Brake, driveline, and suspension repairs
- HVAC, exhaust, and EGR/DPF service
- DOT inspections, preventive maintenance
- RV and trailer repairs
- Full hydraulic service and roadside assistance
DOT Inspection
DOT inspections are more than just paperwork. They're compliance requirements. In Polk City, FL, our DOT inspection services come to you. Stay compliant without disrupting your schedule.
General Diesel Repair
Finding honest and reliable diesel repair services can be challenging. In Polk City, MTI Mobile Repair Services brings expert diesel repair services directly to you. We're about minimal downtime and maximum efficiency.
Mobile Truck Repair
Need on-the-spot repairs? MTI Mobile Repair Services delivers professional mobile truck repair in Polk City, Florida. Don’t waste time or money getting to a shop, let us come to you.
Preventive Maintenance
Stay ahead of unexpected breakdowns and avoid costly repairs with MTI Mobile Repair Services in Polk City, FL. Preventive maintenance is how we keep your business rolling.
RV Repair
When your RV calls it quits where it sits, you need a mobile repair service that comes to you. MTI Mobile Repair Services offers expert RV repair in Polk City with mobile convenience and dealership-quality results.
Roadside Assistance
Stuck on the side of the road? MTI Mobile Repair Services provides fast, reliable roadside assistance in Polk County, Florida, so you can get moving again without the wait.
Trailer Repair
We repair more than heavy-duty trucks. We know our way around trailers, too. When your trailer is down, business slows down too. MTI Mobile Repair Services offers fast, expert trailer repair in Polk City, Florida.
Call Us
Our Hours
Monday to Friday
8:00 AM to 5:00 PM
24/7 Mobile Service
