Mastin Diagnostic Services

Welcome to Mastin Diagnostic Services — your trusted partner in diesel bifuel repair and MTU/Caterpillar engine diagnostics. Serving Oklahoma and West Texas with over 6 years of expert mobile service.

Our Services

Specializing in diesel bifuel repair and preventative maintenance for MTU and Caterpillar engines. Reliable, efficient, and built for the field.

MTU Engine Diagnostics

24/7 over-the-phone diagnostics and on-site support available. Fast, expert troubleshooting when you need it most.

Emergency Repairs

Facing a breakdown? Our mobile team responds quickly to minimize downtime and get your diesel genset back online — fast, dependable service when it matters most.

Service Areas

Proudly serving Oklahoma and West Texas.

Get In Touch

Contact Us

Have a question or need service? Send us a message and we’ll get back to you as soon as possible.

Prefer to reach out directly?

📞 Call/Text (307) 413-2747
✉️ [email protected]

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