When your truck breaks down unexpectedly, you need fast, reliable help right where you’re stopped. At Mobile Diesel Truck Repair, we provide 24/7 emergency roadside repair for semi trucks, 18-wheelers, box trucks, hotshot trucks, and commercial trailers anywhere in the Houston and Dallas–Fort Worth Metroplex. 

Our certified mobile diesel technicians arrive quickly with the tools and parts needed to fix most issues on-site, without towing. From air leaks and brake failures to electrical issues, no-start situations, and tire blowouts — we get you moving again fast. 

Call Now for 24/7 Emergency Roadside Repair: 855-457-1170 

Fast Dispatch • Mobile Repair • No Towing Needed 

24/7 Emergency Roadside Repair Across DFW

Breakdowns can happen anytime — day, night, weekends, or holidays. 

That’s why we provide round-the-clock emergency mobile repair for: 

  • Semi trucks 
  • 18-wheelers 
  • Tractor-trailers 
  • Box trucks 
  • Hotshot trucks 
  • Fleet vehicles 
  • Commercial trailers 

If your truck is disabled, leaking air, throwing fault codes, or won’t start — we’re on the way. 

Why Drivers Trust Our Emergency Roadside Repair Service

Fast Response Times – Day or Night

We understand the urgency. Most breakdowns are handled within minutes, not hours. 

Our techs locate you quickly and start repairs right on the roadside. 

Certified Diesel & Heavy-Duty Technicians

Our team is trained to diagnose and repair: 

  • Heavy-duty diesel engines 
  • Air brake systems 
  • Electrical components 
  • Aftertreatment systems (DPF, DEF, EGR) 
  • Trailer systems 
  • ECM fault codes 

No guesswork — just fast, accurate repairs. 

On-Site Repairs — No Towing Required

Over 90% of emergency roadside repairs can be completed on location. 

This saves you: 

  • Towing costs 
  • Lost time 
  • Delayed deliveries 
  • Missed schedules 

We bring the shop to you. 

Honest Pricing With No Hidden Fees

You get a clear breakdown of the repair costs before work begins. 

Fair, upfront, and transparent — every time. 

Arriving in 30 min
No hidden fees

Common Emergency Roadside Repairs We Handle

Our mobile repair trucks arrive fully equipped to fix most breakdowns on the spot. 

No-Start & Engine Troubleshooting

We repair: 

  • Fault codes 
  • Starter & battery issues 
  • Fuel system problems 
  • Injector issues 
  • Turbocharger failure 
  • Overheating & coolant leaks 
  • Low power or derate conditions 

Air Brake & Brake System Emergencies

We fix: 

  • Air leaks 
  • Brake chamber failure 
  • Locked brakes 
  • ABS problems 
  • Hoses & valves 
  • Slack adjusters 

Electrical & Wiring Failures

We handle: 

  • Dead batteries 
  • Alternator failures 
  • Wiring shorts 
  • Trailer plug issues 
  • Lighting failures 
  • Sensor & module faults 

Electrical issues are one of the top causes of breakdowns — we fix them fast. 

Tire Blowouts & Mobile Tire Repair

We provide: 

  • Tire repair 
  • Tire replacement 
  • Blowout assistance 
  • Trailer tire service 

DEF, DPF & Aftertreatment Emergencies

We fix: 

  • DEF pump & heater issues 
  • DPF regens 
  • NOx sensor failure 
  • EGR valve problems 
  • Trucks stuck in derate mode 

Roadside Assistance for Trucks, Trailers & Fleets

We respond to: 

  • Highways & interstates 
  • Truck stops 
  • Rest areas 
  • Weigh stations 
  • Job sites 
  • Customer yards 
  • Parking lots 

Wherever you’re stuck — we’ll find you. 

📞 Immediate Dispatch: 855-457-1170 

Fleet Emergency Roadside Repair Support

For fleets, we provide: 

  • Multi-unit emergency response 
  • DOT safety repair 
  • PM service 
  • Electrical & brake repairs 
  • Tire service 
  • Documentation & reporting 

We help your fleet stay productive with minimal downtime. 

Emergency Roadside Repair Service Areas (Houston & DFW)

We provide mobile emergency repair across: 

If you’re anywhere in the Houston and DFW Metroplex — we can reach you quickly. 

Frequently Asked Questions

Do you offer 24/7 emergency roadside repair?

Yes. We provide 24/7 emergency roadside repair for semi trucks, 18-wheelers, box trucks, trailers, and fleet vehicles anywhere in the Houston and Dallas–Fort Worth area. No matter when your breakdown happens — day, night, weekends, or holidays — our mobile diesel technicians can be dispatched immediately. 

What types of trucks do you repair roadside?

We provide emergency roadside repair for: 

  • Semi trucks 
  • 18-wheelers 
  • Tractor-trailers 
  • Box trucks 
  • Hotshot trucks 
  • Commercial trailers 
  • Fleet vehicles 

If it’s a diesel-powered commercial vehicle, we can repair it on location. 

What breakdown issues can you fix on the roadside?

Our mobile repair trucks can handle most emergencies on-site, including: 

  • No-start issues 
  • Air brake leaks 
  • Locked brakes 
  • Electrical & wiring failures 
  • Battery, alternator & starter issues 
  • Tire blowouts & replacements 
  • Overheating 
  • Coolant leaks 
  • Fuel system problems 
  • Fault codes & sensor problems 
  • DEF, DPF, EGR & aftertreatment failures 
  • Trucks stuck in derate mode 

In over 90% of cases, no towing is required. 

How fast can you respond to a roadside emergency?

We dispatch technicians immediately, and response times depend on your location in the DFW area. Most emergency calls are reached within minutes, not hours. We prioritize all roadside breakdowns to get you moving again fast. 

What areas do you serve for emergency roadside repair?

We provide mobile semi truck repair throughout the DFW Metroplex, including: 

If your truck is down anywhere in or around Dallas–Fort Worth, we’ll come to you. 

How do I request emergency roadside repair?

For immediate service, call 855-457-1170. 

Here’s how it works: 

  1. Tell us your exact location. 
  2. Describe the issue (air leak, no-start, electrical, tire, etc.). 
  3. We dispatch a mobile diesel technician right away. 

For non-emergency or scheduled service, you can also contact us through the form on our website. 

Call Now for 24/7 Emergency Roadside Repair

When your truck breaks down, we’re ready to help — anytime, anywhere. 

Call 855-457-1170 

24/7 Emergency Mobile Truck Repair 

💨 Fast Dispatch | Certified Diesel Techs | No Towing Needed 

Do you need Truck Repair service?

We hope you won’t need it, but we are ready to help.