About us

At Optimus Diesel Truck and Trailer Repair, we’re driven by one mission: to keep America moving. Since 2020, we’ve proudly served San Bernardino, CA, and surrounding areas with top-tier heavy-duty truck and trailer repair services.

Our team is built on passion, precision, and a strong commitment to quality. We don’t just fix trucks—we partner with drivers and fleet owners to ensure their rigs are running at peak performance 24/7.

To deliver fast, reliable, and expert diesel repair services that keep trucks on the road and businesses moving forward.

• Quality workmanship backed by experienced diesel mechanics

• Honest, transparent service

• 24-hour availability when you need us most

• A customer-first mindset focused on building lasting relationships

Whether it’s a breakdown, diagnostics, or routine maintenance, Optimus Diesel is your trusted roadside and in-shop partner for everything diesel.