Diesel Services in Seguin, TX

Our Services

At H&H Diesel Service, we go beyond repairs to offer full-service support for your diesel truck or fleet. From roadside assistance and DOT inspections to preventive maintenance and mobile service, we make it easier to stay compliant, efficient, and on schedule.

FAQs

What Mobile Services Do You Offer?

We provide scheduled mobile repairs and maintenance for diesel trucks, trailers, and equipment—covering everything from diagnostics to part replacements within a 25-mile radius of Seguin, TX.

How Fast Is Roadside Assistance?

Our team responds quickly to urgent calls for battery, air system, fuel, or electrical issues. Most breakdowns are diagnosed and repaired on-site to get you moving again without a tow.

What Does a DOT Inspection Include?

We perform certified Level 1, 2, and 5 DOT inspections. This includes a full review of brakes, lights, suspension, steering, documentation, and safety systems to ensure compliance.

Do You Offer Fleet Services?

Yes. We work with fleet managers to schedule preventive maintenance, handle diagnostics, and track service records for multiple units—keeping everything road-ready and well-documented.

Can You Perform On-Site PM Services?

Yes. We provide preventive maintenance services both in-shop and on-site, including oil changes, filter replacements, fluid checks, and safety inspections tailored to fleet needs.

Can I Get a PM Without an Appointment?

We recommend scheduling, but we do accommodate walk-ins when possible. For fleets or mobile PMs, appointments ensure timely, efficient service.

Do You Service RVs, Buses, and Equipment?

Yes. We offer the same high-quality services—including inspections, PMs, and mobile support—for diesel-powered RVs, buses, and heavy equipment alongside trucks and fleets.

Contact Us Today

Need reliable diesel service in Seguin? Call H&H Diesel Service at 210-332-5821 to schedule your mobile repair, DOT inspection, or fleet service. We keep you compliant, efficient, and rolling strong.