Heavy-Duty Engine Conversions in Austin, TX

Custom Engine Conversion Services in Austin, TX

Whether you need more torque, better fuel economy, or want to extend your truck's life, an engine conversion can give you the performance you need. Our professional engine conversions are tailored to your needs. With a team of skilled diesel technicians to handle the complete conversion process from start to finish, you’ll feel like it's a whole new truck.

Our engine conversion services include:

• Engine swaps (OEM to OEM or performance builds)
• Complete removal and installation of diesel engines
• ECM and wiring harness updates
• Mount and frame modifications (if required)
• Cooling, exhaust, and fuel system adaptations
• Custom programming and tuning
• Emissions system integration (DPF, SCR, EGR)

We work with Cummins, CAT, Detroit, PACCAR, International, and other major manufacturers. Our team makes sure every install is clean, compliant, and built to last.

Why Atlas Is Austin’s Diesel Engine Conversion Expert

An engine swap isn’t just a bolt-in job. It requires technical know-how, planning, and precision. At Atlas Truck Repair, our diesel techs bring decades of real-world experience in engine diagnostics, repairs, and rebuilds, so conversions come naturally to them.

Why choose us?

• Engine conversions done in-house
• Custom solutions for owner-operators and fleets
• Full compatibility and compliance checks
• Wiring, tuning, and fabrication all under one roof
• Trusted by commercial drivers across Texas since 1974

Whether you're upgrading from a tired engine or retrofitting a cleaner system, we make sure your new setup works seamlessly with your driveline, cooling, and electronics.

Book Your Engine Conversion Today. Call 512-385-3661

If your engine isn’t giving you the power you need to get the job done, an engine conversion could be what you need. Call 512-385-3661 today to speak with the experts at Atlas Truck Repair. We’ll assess your needs, talk about options, and walk you through the process clearly.

FAQs

What areas do you serve for engine conversions?

We’re located in Del Valle, TX, near Terry Ln and Bastrop Fwy, and perform engine swaps for customers from Austin, Round Rock, Georgetown, San Marcos, Burnet, and across Houston’s 100-mile service radius, including Pasadena, Sugar Land, Pearland, Galveston, and more.

Can I replace my truck’s engine with a different brand?

In many cases, yes. But it depends on your truck’s configuration and the desired engine. We’ll help you choose a compatible setup and modify your mounts, electronics, and accessories as needed.

How long does an engine conversion take?

It depends on the complexity of the swap, parts availability, and any additional modifications. Most conversions take between 1 and 3 weeks from teardown to road test.

How to Start Your Engine Swap at Atlas

Call 512-385-3661 to schedule a consultation. We'll evaluate your truck, discuss the right engine setup for your needs, and give you a clear timeline and estimate. At Atlas Truck Repair, we turn big ideas into real results, on time and on budget.