24/7 Emergency Diesel Repair – Wherever You Break Down, We Roll Out
When your rig shuts down in the middle of a route or your fleet truck is dead on the lot, every minute costs you money. At Road 1 Inc, our mobile diesel repair units are ready to dispatch 24/7 — fully equipped to handle roadside breakdowns, on-site repairs, and fleet yard service across Columbia, SC and surrounding areas.
We Work With Your Fleet Maintenance Company
- We know the process from approvals to payment.
- We handle the paperwork so you don't have to.
- We keep your trucks moving with fast repair when and where you need them.
24/7 Emergency Diesel Repair Experts
Trusted by Columbia’s fleet managers and owner-operators for on-site service anytime, anywhere.
Certified Diesel Technicians
Our team combines over 20 years of hands-on experience in diesel engine diagnostics.
Fleet Contracts with DOT Compliance Support
Partnered with local logistics, construction, and agricultural businesses to keep fleets road-ready and regulation-compliant.
Backed by Real Reviews & Repeat Clients
Hundreds of trucks serviced with consistent 5-star testimonials praising our speed, honesty, and technical precision.
Quality Repairs & Service Guaranteed
What We Repair On-Site or Roadside
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No-start and hard start issues
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Air and hydraulic brake system repairs
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Fuel system and injector problems
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Turbo and EGR troubleshooting
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Electrical and sensor faults
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Belt, pulley, and alternator failures
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Battery testing and replacement
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DPF regeneration and aftertreatment issues
Where We Respond
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I-20, I-26, I-77 corridors
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US-321, US-378, US-1, and local routes
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Truck stops, distribution hubs, freight yards, farms, construction sites
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Columbia, West Columbia, Cayce, Lexington, Irmo, Orangeburg, Sumter, and more (within 90 mile radius)
Who We Help
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Owner-operators needing urgent repairs on the road
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Fleet managers requiring on-site service for downed trucks
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Agricultural, construction, and logistics businesses with diesel-powered vehicles or equipment
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Out-of-town drivers with roadside trouble in the Columbia region
Why Choose Road 1’s Mobile Repair Service
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24/7 dispatch availability — day or night
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Certified diesel mechanics in every truck
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Fully equipped mobile repair units with diagnostics, parts, and tools
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Fair, transparent pricing — no inflated emergency fees
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Fast response times — we average under 90 minutes for arrival
Real Feedback from the Road
"Road 1 got to me fast after a turbo line blew at 2:30 a.m. off I-26. Professional, no games, had the part and fixed it roadside." – Long-haul Driver, SC
Frequently Asked Questions
Do you charge extra for after-hours service?
No. We believe in fair, flat-rate pricing. There are no inflated rates just because it’s midnight or Sunday.
What if I don’t know what’s wrong with the truck?
No problem. Our techs carry diagnostic laptops to scan fault codes and run tests before any repair begins.
Can you repair trailers as well?
Yes. We handle lighting, brakes, tires, and air systems on trailers — all roadside or on-site.
Do you cover scheduled mobile fleet maintenance?
Absolutely. We offer fleet contracts for on-location PMs, inspections, and minor repairs.
How far do you travel for mobile service?
We cover a wide 90+ mile radius around Columbia. Call us to confirm your location.
Request Mobile Diesel Repair Now
Call (803) 794‑5155 any time, day or night, or [Request Mobile Service Online]
Fast. Professional. Fully Equipped. Road 1 comes to you.