(209) 481-5638
(209) 481-5638

About Ruiz Diesel Service LLC

When your truck breaks down, every minute counts. At Ruiz Diesel Service LLC, we’re committed to keeping your wheels turning with fast, reliable, and professional mobile repair services. Based in Tracy, CA, we provide full-service semitruck and trailer repair.

Coming directly to your location so you can get back on the road without delay.

With years of experience and a team of skilled diesel mechanics, we take every possible step to make sure your experience with us is quick, transparent, and stress-free. Our priority is simple: getting you moving again — safely and efficiently.

Tire Repairs & Replacements
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Mobile Truck Repairs
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Trailer Repair Jobs
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OUR SERVICE LIST

Why Choose Ruiz Diesel Service?

Truck Diagnostics & Repairs

Fast and accurate diagnostics for all semitrucks, ensuring your vehicle runs at peak performance.

Tire Repairs & Replacements

Quick tire service including patching and full replacements for semitrucks.

Major & Minor Repairs

From clutches and valves to radiators and head gaskets, we cover it all.

Mobile Diesel Mechanics

Our skilled team comes to your location, saving you time and towing costs.

Trailer Work

Suspension, lights, air valves, and tires — we handle all types of trailers.

Modern Technology & Equipment

State-of-the-art tools and diagnostics to solve problems that dealerships often overlook.
CLIENTS TESTIMONIAL

What Our Clients Say

"The Ruiz Diesel team fixed my semitruck quickly and professionally. They saved me time, money, and avoided unnecessary towing costs."

Mark Thompson

Tracy, CA
"Excellent mobile service; the mechanics diagnosed and repaired my truck efficiently, ensuring everything ran smoothly without any delays."

Laura Bennett

Stockton, CA
"I had a major trailer issue, and Ruiz Diesel Service handled it expertly.
Their technicians were skilled, courteous, and very reliable."

James Rodriguez

Modesto, CA
"The team arrived on time and fixed my diesel truck efficiently and reliably. Their mobile service
saved me effort, money, and extra downtime."

Sarah Collins

Lodi, CA
"Professional and courteous mechanics arrived on time, diagnosing engine issues and performing repairs efficiently at my location safely."

Kevin Martinez,

Tracy, CA