RV Specialty
Mobile Diesel Repair for RVs.
Your motorhome deserves the same level of expert diesel service as a commercial truck. We dispatch vetted diesel mechanics to your location — campsite, driveway, or roadside.
Why Mobile Service?
Skip the RV dealership. We come to you.
RV dealership service departments are booked weeks out and charge premium rates. Independent shops don't always understand motorhome-specific systems. Our mobile diesel mechanics specialize in diesel RVs and arrive at your location — no towing, no waiting rooms, no hassle.
- No towing needed — we come to you
- Faster than dealership wait times
- Vetted mechanics with RV diesel experience
- Transparent pricing before work begins
RV Services
Full-service diesel RV repair.
From engine problems to generator failures, our mechanics handle every diesel system in your motorhome.
Engine & Drivetrain
Diesel engine diagnostics, turbo repair, transmission service, and drivetrain issues for Class A, B, and C motorhomes.
Electrical & Batteries
House battery systems, chassis electrical, inverter/converter troubleshooting, shore power issues, and 12V/120V system repair.
A/C, Heating & Cooling
Rooftop A/C units, dash air conditioning, engine cooling system service, and heating system repair for all RV types.
Fuel System & Generators
Onan/Cummins generator service, fuel pump and injector repair, fuel filter replacement, and diesel fuel system diagnostics.
Brakes & Suspension
Air brake and hydraulic brake service, air bag suspension, leveling system repair, and steering component replacement.
Preventive Maintenance
Oil changes, fluid top-offs, belt and hose inspection, filter replacements, and seasonal prep — all at your campsite or driveway.
Brands We Service
All major motorhome brands.
Our mechanics have experience with every major diesel motorhome manufacturer and chassis platform.
FAQ
RV repair questions
Yes. Our mechanics service Class A diesel pushers, Class B+ vans with diesel engines, Class C diesel motorhomes, and diesel-powered Super C units. We work on all major chassis brands including Freightliner, Spartan, and Ford.
Absolutely. That's the whole point of mobile service. Our mechanics come to you — whether you're at an RV park, campground, rest stop, or your driveway. No need to drive to a shop.
Yes. We service Onan, Cummins, and other diesel generator brands commonly found in motorhomes. This includes starting issues, fuel system problems, oil changes, and error code diagnostics.
Your mechanic will diagnose the issue and provide a quote before any work begins. You approve the price before a wrench turns. No surprise charges. Pricing is comparable to or better than RV dealership service departments.
That's exactly what Mobile Diesel USA is built for. Today we dispatch in the Phoenix, AZ metro; Chicago and Detroit are launching next. If you are in Phoenix, submit a service request with your location and dispatch will confirm whether a qualified mechanic is available.
Need RV Repair?
Get a diesel mechanic dispatched.
Tell us what's wrong and where you are. We'll match you with a nearby mechanic experienced with diesel RVs.
Request ServiceRV Mechanic?
Join our network.
If you specialize in diesel motorhome repair, we want you in our network. Apply today and start getting dispatched.
Apply Now