Truck Fleet Repair Services
Downtime costs money. We keep your whole fleet running with fast diesel repair — engine, transmission, brakes, electrical, tires, and DOT inspections — plus on-site service at your location for business customers.
Reliable repair for your whole fleet
Modern Diesel keeps commercial fleets on the road with diesel repair on every class of truck — light-, medium-, and heavy-duty — plus the trailers behind them. Experienced technicians, a fully equipped shop, and a focus on fast turnaround so your trucks spend less time in the bay and more time earning.
What we handle
- Diesel engine diagnostics and repair
- Transmission service and brake work
- Electrical troubleshooting and tire replacement
- Annual DOT/FMCSA inspections and emissions
- On-site diagnostics and repairs at your location for business customers
Repairs, or a full maintenance program?
This page is about repairs — bring us a truck, or a yard full of them, and we fix it. If you'd rather hand off the whole maintenance program — concierge pickup & delivery, scheduled preventative maintenance, and end-to-end fleet management with the FleetGood portal — that lives on our fleet & business accounts page. Have your own fleet manager? We back up in-house teams too — see fleet maintenance support.
Why Modern Diesel
A Christian, veteran-owned shop with a fully equipped facility serving the Greater Austin Area (Travis, Bastrop, Williamson, Hays). We work closely with fleet managers, communicate clearly, and keep your trucks on the road and your business moving. Explore our fleet maintenance & management services or call our fleet team.
Ready when you are.
Drop by the shop at 2900 N FM 973, Austin, TX 78725 or call and we’ll get you scheduled.