
From pickups
to semis —
we know diesel.
No-nonsense diesel and fleet service that gets you back on the road fast. Experienced techs, honest work, and pride in every job.
- 11+ yrs serving Central Texas
- Veteran-owned & operated
One shop for the whole rig
Light, medium, and heavy-duty diesel — plus the trailers, brakes, and tires that go with them. Here’s the short list; there’s more where that came from.
Engine & Drivetrain
Diesel Engine Repair
Diagnostics to full rebuilds on light, medium, and heavy-duty diesel.
Learn more →Fuel Injector Repair
Diagnosis, cleaning, repair, and replacement of diesel fuel injectors.
Learn more →Transmission Service
Diesel transmission diagnosis, service, and repair.
Learn more →Turbocharger Service
Diagnose lost boost, repair or replace turbos, and restore power.
Learn more →DPF Cleaning
Diesel particulate filter cleaning to restore power and mileage.
Learn more →Oil Change
Full-service diesel oil changes to keep your engine running strong.
Learn more →
Truck & Fleet Care
Fleet Services
Scheduled maintenance and fast turnarounds to keep your fleet earning.
Learn more →Truck & Trailer Repair
Pickups to semis and the trailers behind them — all under one roof.
Learn more →Brakes & Suspension
Air and hydraulic brakes, steering, and suspension done right.
Learn more →Tires & Alignment
Tire replacement and precision wheel alignment for heavy rigs.
Learn more →Medium-Duty Diesel
Power Stroke and Cummins service for medium-duty commercial trucks.
Learn more →Heavy-Duty Parts & Repair
Engines, transmissions, brakes, and suspension — quality heavy-duty parts.
Learn more →Truck & DOT Inspection
Annual DOT/FMCSA safety inspections for trucks and trailers.
Learn more →
Specialty Diesel
Sprinter Servicing
Mercedes, Freightliner, and Dodge Sprinter vans — service, repair, and diagnostics.
Learn more →Import Diesels
European and import diesel cars — VW, Audi, BMW, Mercedes and more.
Learn more →Diesel Heavy Equipment
Skid steers, excavators, generators, and other off-road diesel.
Learn more →Truck A/C & HVAC
A/C and heating diagnosis and repair for trucks, vans, and cars.
Learn more →
Diesel’s our specialty — but we also service gasoline trucks, cars, SUVs, and vans, and we love working on diesel vans and cars too. If it has an engine, call us at 512-717-2777.
Keep your trucks earning.
Modern Diesel partners with businesses to keep commercial fleets on the road — including on-site diagnostics and repairs at your location. The details are set in a simple fleet service agreement built around how your fleet actually runs.
Talk to our fleet team- On-site serviceDiagnostics and repairs at your yard
- Priority schedulingDown vehicles move to the front
- Fleet pricingMulti-vehicle and volume rates
- Flexible billingTerms for approved accounts
- Dedicated contactOne person who knows your account
- InspectionsAnnual DOT/FMCSA inspections scheduled
Committed craftsmen. State-of-the-art bays.
A look at the crew and the equipment — the people and tools that’ll get your truck done right.

We honor those who serve
As a Christian, veteran-owned shop, we’re proud to give back to those who serve our country, our communities, and our faith. If you belong to one of these, let us know at check-in.
Active-Duty Military & Spouses
All branches
Veterans
Thank you for your service
First Responders
Police · Fire · EMS
Catholic Priests
Serving the faithful
Knights of Columbus
3rd Degree Knights in good standing
Catholic Daughters of the Americas
Members in good standing
Troops of St. George
Member families
Foster & Adoptive Parents
Active license required
Ask about your discount when you drop off — valid ID or membership may be required.
Ask about your discountQuestions, answered
What vehicles does Modern Diesel work on?
Light-, medium-, and heavy-duty diesel trucks, plus trailers, Sprinter vans, import diesels, and diesel heavy equipment. We also service gasoline trucks, cars, SUVs, and vans.
Do you work on Sprinter vans?
Yes. Modern Diesel services and repairs Mercedes, Freightliner, and Dodge Sprinter vans, including diagnostics.
Does Modern Diesel service fleets and commercial trucks?
Yes. We handle scheduled fleet maintenance and commercial truck repair, plus on-site diagnostics and repairs at your location for business customers. Priority scheduling, fleet and multi-vehicle pricing, flexible billing, and a dedicated point of contact are arranged through a fleet service agreement — call our fleet team to set one up.
What discounts does Modern Diesel offer?
Discounts for active-duty military and spouses, veterans, first responders, and several faith-community groups. Ask at check-in.
Where is Modern Diesel located and what areas do you serve?
We're at 2900 FM 973, Austin, TX 78725, serving the Greater Austin Area — Travis, Bastrop, Williamson, and Hays counties.
Join the crew
We’re always looking for skilled diesel techs who take pride in their work. Send your résumé and we’ll be in touch.
careers@moderndieseltx.com








