About Us

At Tri-County Diesel LLC, we understand that downtime costs you money. That’s why we’re committed to providing fast, reliable, and affordable heavy-duty truck, trailer, and RV repairs in Brandon, MS, and surrounding areas. Whether you’re an owner-operator, fleet manager, or commercial driver, our team of certified diesel mechanics is here to keep your rig running smoothly—24 hours a day, 7 days a week.

Why Choose Tri-County Diesel LLC?

✅ 24/7 Emergency Service – Breakdowns don’t wait for business hours, and neither do we. Our mobile repair trucks can reach you anywhere, anytime.
✅ Expert Heavy-Duty Repairs – From engine overhauls and transmission rebuilds to brakes, suspension, and electrical diagnostics, we handle it all.
✅ Honest & Transparent Pricing – No hidden fees—just fair, upfront estimates and quality workmanship.
✅ Serving All Diesel & Commercial Vehicles – Semi-trucks, trailers, RVs, and fleet vehicles are our specialty.
✅ Preventive Maintenance Programs – Avoid costly repairs with scheduled servicing tailored to your needs.

Our Story – Built on Reliability & Expertise

Founded by experienced diesel technicians, Tri-County Diesel LLC was born out of a passion for keeping trucks on the road. We know how critical your rig is to your livelihood, which is why we treat every repair with urgency, precision, and care. Our shop is equipped with state-of-the-art diagnostic tools, and our mechanics stay updated on the latest diesel engine technology to ensure long-lasting repairs.

Whether you need emergency roadside assistance, routine maintenance, or major engine work, you can trust Tri-County Diesel LLC to deliver honest service and dependable results.

Need Expert Truck Repair in Brandon, MS?

📞 Call Us Anytime for 24/7 assistance!
📍 Visit Our Shop for comprehensive diagnostics and repairs.

Your rig is your business—let us help protect it! 🚛🔧