Frequently Asked Questions

  • What types of mobile truck repairs do you offer?

    We can handle any type of mobile truck or trailer repair, including aluminum or steel welding, computer diagnostics, and more. We can even provide towing if necessary.

  • Why should I choose G&R Mobile Fleet Service for my mobile repairs?

    We are a trusted provider of mobile truck repairs with over a decade of experience. We are available 24/7 for emergencies, offer competitive prices, and are honest and reliable.

  • Do you offer roadside assistance?

    Yes, we offer emergency roadside assistance for trucks and trailers throughout Central Florida. This includes services like jump starts, battery replacements, tire changes, and more.

  • What types of trailer repairs do you offer?

    We offer a wide range of trailer repair services, including trailer body repairs, diesel engine repairs, preventive maintenance, and mechanical services. We can fix anything from wheel bearings to doors.

  • Do you replace trailer doors?

    Yes, we can replace trailer doors of all types. We also offer other trailer door repair services, such as replacing door seals.

  • Do you perform preventive maintenance on trailers?

    Yes, we offer preventive maintenance services for all types of trailers, including reefer, refrigerated, flatbed, and dry van trailers. This helps to ensure that your trailers are in top condition and avoid breakdowns on the road.

  • Do you perform DOT inspections?

    Yes, we are certified to perform DOT inspections for commercial trucks and trailers. We can help you ensure that your vehicles meet all inspection standards to avoid fines and delays.

  • Why is it important to get regular DOT inspections?

    Regular DOT inspections are essential for ensuring the safety of your commercial vehicles and avoiding costly fines. Up-to-date inspection reports are required to keep your vehicles on the road legally.

  • Can you diagnose and repair alternator or charging system failures on semi trucks and commercial vehicles?

    Yes — alternator failure, starter issues, dead batteries, and complex wiring faults are among our most common mobile service calls. Our technicians carry the diagnostic tools to test your truck's entire charging system on-site, identify the root cause, and complete the repair at your location or at our Bartow-area facility, minimizing downtime for your fleet.

  • Do you handle truck electrical problems like bad wiring, blown fuses, or a no-start condition in the Bartow area?

    Yes, electrical diagnosis and repair is a core part of what we do for commercial trucks and fleets in the Bartow area. Our technicians can trace wiring faults, resolve no-start conditions, and fix blown fuse or relay issues on-site, so your truck gets back on the road without a costly trip to a shop.

  • How do I know if my commercial truck has an alternator problem versus a battery problem?

    A failing alternator typically causes lights to dim while the engine is running, warning lights on the dash, or a battery that keeps dying even after being replaced. Our technicians test the full charging system — alternator output, battery condition, and related wiring — on-site to pinpoint the actual cause before any parts are replaced.

  • Can you perform a forced DPF regeneration or diagnose regen failures on a diesel semi truck in the Bartow area?

    Yes, G&R Mobile Fleet Service handles DPF diagnostics and forced regeneration service on diesel semi trucks on-site across Bartow and Polk County. If your truck is throwing regen-related fault codes, losing power, or going into derate mode, our technicians can diagnose the emissions system and perform the necessary service at your location.

  • Where can I find mobile diesel truck repair near Bartow, FL?

    G&R Mobile Fleet Service provides mobile diesel truck repair throughout Bartow and the surrounding Polk County area, coming directly to your location so your truck doesn't have to leave the road or the job site. Services cover a wide range of mechanical, electrical, and emissions-related repairs on semi trucks and commercial vehicles.

  • Can a mobile diesel mechanic come to me in Polk County instead of me towing my truck to a shop?

    Yes, G&R Mobile Fleet Service sends a technician to your location anywhere in Bartow and Polk County, eliminating the need for a costly tow to a shop. On-site diesel repair covers diagnostics, mechanical work, and emissions system issues so your truck can get back to work faster.