Mon-Fri 7:00 AM to 4:00 PM·1665 Donto Way, Brooksville, FL
24/7 Fleet Roadside: (352) 433-3800
Sanford, FL · Seminole County

Mobile diesel mechanic and truck repair in Sanford, FL

Sanford is where I-4 meets SR 417 and the SR 429 beltway completed in 2024, with an international airport and a rail yard close by. When a diesel stops there, an RDI technician comes out from our Brooksville shop to diagnose and repair it on site.

Mobile Diesel Repair for Sanford, FL by RDI Power
  • On-site at your locationService
  • Seminole CountyCounty
  • 24/7 for fleet accountsFleet roadside
  • 3 yr / 36,000 mi laborWarranty

Sanford was once a major rail and river hub, and it still moves people and freight in every direction. Orlando Sanford International Airport covers about 3,000 acres with four runways. Amtrak’s Auto Train ends its daily run from Lorton, Virginia here. CSX stores freight cars at Rand Yard, where SunRail also keeps its maintenance base and operations control center. And since January 26, 2024, the city has sat at the junction that completed the beltway around Central Florida. RDI Power has no shop in Sanford. Our mobile technicians come from Brooksville to diesels that stop anywhere in that web of roads, with dealer-level diagnostics and the parts for the common failures.

The two miles where I-4, SR 417 and SR 429 share lanes near Sanford

The final 2.63-mile Wekiva Parkway segment, between Orange Boulevard and the I-4 and SR 417 junction in Sanford, cost $255 million and opened January 26, 2024. Near Sanford, SR 417 and SR 429 run together with I-4 for about two miles. A truck that stops in that overlap can be described three different ways, which can send help to the wrong place. Give us the direction, the last interchange you passed and the road you were heading for, and we will place it. FDOT counts about 12,301 trucks a day on SR 417 near Sanford, 20.1% of the traffic, so the shoulder procedure is not optional: hazards, triangles, people clear.

SR 46 and Rinehart Road on Sanford’s west side

SR 46 between I-4 and Rinehart Road carries about 3,832 trucks a day, 9.7% of 39,500 vehicles. Rinehart Road also has an SR 417 interchange, and the stretch of SR 417 between I-4 and Rinehart Road is toll free. If a truck on SR 46 can still move safely, getting it into a lot or onto a side street before it quits completely gives the technician a far better place to work and keeps the truck out of a busy travel lane.

CR 46A, the Auto Train and Sanford’s rail district

SR 417 has an interchange at CR 46A that serves the Auto Train terminal, and US 17/92 crosses CSX’s Sanford Subdivision, the line the Auto Train uses, on a bridge. Under the 2007 track sale, CSX can still run a limited number of night freight trains on the SunRail corridor. Trucks working around the rail district should be described by the nearest cross street or terminal entrance, and a truck that stalls near a crossing should never be left on or close to the tracks if there is any way to move it.

US 17/92 to the Benedict Bridge

US 17/92 carries about 3,713 trucks a day near Sanford and leaves the city for Volusia County on the Benedict Bridge over the St. Johns River. Sanford sits at the head of navigation on that river, which gives vessels water access to the Atlantic by way of Jacksonville. A bridge is a poor place to wait for help. If the truck can clear the span safely, do so, then call. For trucks on the Volusia side, see mobile diesel repair in DeBary.

Yards near Orlando Sanford International Airport

The airport handled 3,166,417 passengers and 394,203 aircraft operations in 2025, and the Sanford Airport Authority runs it with more than 270 full-time employees. Mobile technicians work at yards and lots around the airport area. If the truck is inside a fenced property, arrange gate access before the visit and tell us where on the property it is parked, so the technician spends time on the truck rather than at a guard shack.

Working space at a Sanford yard or terminal lot

Yards and terminal lots around Sanford are not all alike, and the setup makes a real difference to how fast a repair goes. The technician needs a firm, level spot with room to walk all the way around the truck and space for the service truck beside it. A tractor that needs work under the cab should be uncoupled if that can be done safely, or at least parked where the trailer is not blocking access. Have the keys, a contact on site and any gate code ready. If the load affects how the truck can be worked on, hazardous materials for example, tell us on the first call so the technician arrives prepared.

On-site Sanford repairs and when they go to Brooksville

The technician diagnoses first, with dealer-level software for Ford and Ram trucks and heavy-duty scan tools for Freightliner, Kenworth, Peterbilt, Mack, Volvo and International tractors. Common on-site work in Sanford includes:

  • Starting and charging: batteries, cables, starters and alternators
  • Cooling: belts, hoses and reachable leaks
  • Fuel: filters, water separators and air in the lines
  • Electrical: sensors, connectors and harness repairs behind a derate, plus DEF faults
  • Air brakes: lines, chambers and slack adjusters on tractors and trailers, and trailer wiring

Each visit is documented in a digital vehicle inspection with photos. Bigger jobs, such as an engine teardown, a transmission rebuild or an alignment, go to our shop at 1665 Donto Way in Brooksville, and we plan that move with you.

Stopped somewhere between the airport and the Benedict Bridge? Call (352) 433-3800 between 7:00 AM and 4:00 PM, Monday to Friday. Nights and weekends are covered for fleet customers, which is part of what fleet maintenance in Sanford provides. The way mobile work is organized across the region is explained on mobile diesel repair, and I-4 south of the city is covered by mobile diesel repair in Lake Mary.

RDI Fleet

Keep Sanford trucks on schedule.

One shop that knows your trucks, a plan built around your operation, and a warranty in writing.

Build a fleet plan
  • Vehicle classesLight · Medium · Heavy
  • Fleet typesTrucks · Trailers · Buses
  • Fleet warranty2 yr / 24,000 mi
  • Roadside24/7 for fleet accounts
  • ServiceIn the shop or on-site
  • Shop hoursMon-Fri · 7 AM to 4 PM
Reviews

Their words, not ours.

★★★★★
“These guys are awesome, from Joe the service writer to the owners and all the folks in between. They communicated every step of the way and researched alternatives to my myriad of issues. Kudos all around.”
Eric R. · Google review · August 4, 2026
Google rating
4.6
250+ Google reviews
★★★★★

If you need diesel work, this is the place to go. Jeremy is a fantastic mechanic! No need to shop around. They are honest and very upstanding men and women, very professional . If you want the best with no worries RDI POWER DIESEL SHOP, is your place!

E C. · September 7, 2026
★★★★★

I'm so happy with the service I received from RDI Power. I was told by another shop that I had a transmission leak in my diesel truck. Not only did the staff at RDI Power correctly diagnose my issue (which was not a leak), they were able to resolve the issue...

Sue F. · August 4, 2026

Sanford questions

My truck stopped where I-4 and SR 417 overlap near Sanford. How do I describe the location?
Give the direction of travel, the last interchange you passed and the road you were heading for. If you can see a mile marker, include it.
Will a technician come to a yard near Orlando Sanford International Airport?
Yes. Yards and lots around the airport are within our mobile area. If the truck is behind a gate, arrange access before the technician arrives.
Can you help a truck that broke down on US 17/92 near the Benedict Bridge in Sanford?
Yes, on either side of the St. Johns River. If the truck can clear the bridge safely, move it off the span first, then call with your location.
Request service

Tell us what's going on in Sanford.

We'll call you back with next steps during shop hours.

(352) 433-3800
  • Shop hoursMon-Fri · 7 AM to 4 PM
  • Address1665 Donto Way, Brooksville
  • Fleet roadside24/7
Vehicle type

Existing customer? Use the customer portal.