Southwest Diesel Service Inc
- Labor rate
- Ask for a quote
- Services
- General RV repair
- Phone
- (435) 673-6342
- Website
- swdieselservice.com
About Southwest Diesel Service Inc
Southwest Diesel Service in St. George works on diesel engines and RVs. Their techs have over 60 years combined experience in engine repair, replacement, and installation. They handle everything from PM services to bigger fixes, and they also run fleet maintenance programs. Reviewers often mention Doug and Darren by name. One RV owner said they were the only shop to call back after five tries, and the estimate was accurate. Another described a down home diesel shop experience, with helpful phone staff. Several mention roadside emergencies and towing arrangements. The shop handles heavy-duty tractors, trailers, RVs, and medium-duty pickups. They offer a 24-hour on-call mechanic. Not every review is positive. One customer felt overcharged for a mudflap hanger repair. Ratings sit at 4.4 stars from 51 reviews.
Good to know
- 60+ years combined technician experience
- Works on RVs, heavy-duty trucks, and pickups
- 24-hour on-call mechanic available
- Fleet maintenance programs offered
- 4.4 stars from 51 Google reviews
Amenities
Shop hours
| Monday | 8am – 5pm |
| Tuesday | 8am – 5pm |
| Wednesday | 8am – 5pm |
| Thursday | 8am – 5pm |
| Friday | 8am – 5pm |
| Saturday | Closed |
| Sunday | Closed |
Mobile techs often book a few days out. Call to see when they can get to you.
What renters mention
“Southwest Diesel was the only shop to call me back, I left messages at 5 shops with good reviews to some maintenance done on my RV, they returned my call and put me on the schedule and were very helpful and accommodating with the other…” – VBTom, a year ago, on Google
“I can’t say enough good things about Doug and his team at SW Diesel. The first time I used them it was for the Allison Transmission problem.” – Francis M., a year ago, on Google
“Just had my car finished by James and I must say it was the best service I have ever had. I was filled with confidence when I drove my car for the first time.” – Dexter C., 11 years ago, on Google
Other RV repair near St. George
- Bear Lake Rv Repair St. George, UT · 1.2 mi
- Red Rock Mobile RV St. George, UT · 1.2 mi
- Prime Tire & Auto Repair St. George, UT · 1.7 mi
- Light Maintenance LLC mobile RV repair Washington, UT · 1.7 mi
- HDRV Mobile St. George, UT · 1.8 mi
- Camping World RV Service - St. George St. George, UT · 2 mi