Truck Fleet Repair Services
Downtime costs money. We keep your whole fleet running with comprehensive diesel repair, proactive maintenance, and on-site service at your location for business customers.
Reliable repair solutions for your fleet
Modern Diesel specializes in comprehensive truck fleet repair built to keep your vehicles at peak performance. Our experienced technicians deliver reliable, efficient work on every type of diesel truck and fleet — light-duty to heavy-duty — and we work to minimize downtime at every step.
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
Fleet maintenance programs
Proactive maintenance is what extends the life of a fleet. We build customized maintenance programs around your operation and budget, catching small issues before they become expensive ones. The specifics are set in a simple fleet service agreement — one point of contact, terms that fit your accounts, and pricing built for multiple vehicles.
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. See fleet & business accounts 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.

