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Ontario's Diesel Engine & Heavy Equipment Repair Specialists - Call Today!
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Keeping Your Diesel Equipment Running With Confidence

Diesel Trucks and Heavy Equipment Fixed Right

We handle diesel engine repair, heavy equipment breakdowns, and commercial truck service throughout the Ontario area.

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Our Services

We specialize in diesel engine repair, heavy equipment repair, and diesel truck repair, and our mobile diesel mechanics are ready to get you back on the road, whether it's routine maintenance or a breakdown.

Diesel Engine Repair

Diesel Engine Repair

Keep your diesel engine running strong with our expert repair service. Our mobile diesel mechanics and technicians handle everything from routine maintenance to complex diagnostics, getting your truck or equipment back on the road fast.

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Heavy Equipment Repair

Heavy equipment takes a beating, and our team keeps yours running. From diesel trucks to industrial machinery, we repair what matters to your operation.

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Equipment Breakdown Service

Equipment Breakdown Service

When heavy equipment breaks down unexpectedly in Ontario, CA, you need a repair team that can respond fast and get your operation running again.

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Diesel Engine Overhaul

Diesel Engine Overhaul

We rebuild your engine from the ground up, restoring power and reliability to keep your truck running strong for years to come.

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Commercial Truck Repair

Commercial Truck Repair

Your commercial trucks keep Ontario moving, and our team keeps them running. From routine maintenance to complex diesel truck repair, we handle the heavy-duty work so you stay on schedule.

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Why Choose Us

Expert diesel repair

We handle diesel engine repair and heavy equipment repair with precision, keeping your equipment running strong in the Ontario area.

We come to you

Our mobile diesel mechanic service means we arrive at your location to diagnose and repair diesel truck and equipment issues on the spot.

Local, straightforward service

Brother's Precision Diesel serves the Ontario area with honest, transparent work and equipment breakdown service you can count on.

Areas We Serve

We serve Ontario, CA with diesel engine repair and heavy equipment maintenance for commercial operations.

Ontario, CA

In Ontario, CA, we handle diesel engine overhaul, commercial truck repair, and emergency equipment breakdown service.

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Need diesel engine repair in Ontario?

We handle diesel truck repair, heavy equipment repair, and mobile diesel mechanic service across the Ontario area. Contact us for a quote.

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Ready to work with Brother's Precision Diesel in Ontario, CA?

We're here to help with your diesel mechanic needs in the Ontario area. Reach out to us today to discuss your repair or maintenance concerns, and let our team get you sorted.

Working with us

How it works

Reach out

Tell us what you need by phone, text, or the quick form on this site.

We assess and plan

We review the details, answer your questions, and schedule a time.

We do the work

Our team shows up on time and does the job right.

You're satisfied

We make sure you're happy with the result before we call it done.

Frequently Asked Questions

What areas and cities in Ontario and the surrounding region do you service?

We serve the Ontario, CA area with diesel engine repair, heavy equipment repair, and mobile diesel mechanic services. Our team travels to job sites and facilities throughout the region to handle diesel truck repair and equipment breakdown service. Contact us to confirm coverage for your specific location.

How does your mobile diesel mechanic service work, and how do you schedule a visit to my location?

Our mobile diesel mechanic team comes directly to your job site or facility in the Ontario area to diagnose and repair diesel engines on-site. We handle breakdowns, routine maintenance, and complex repairs where your equipment sits. Reach out to discuss your needs and schedule a visit.

What types of diesel engine repair work do you handle?

We perform diesel engine repair for trucks, heavy equipment, and industrial machinery. Our work includes diagnostics, component replacement, fuel system repairs, cooling system service, and full engine rebuilds. Whether it's a minor fix or major overhaul, we have the expertise to get you back to work.

Can you help if my heavy equipment breaks down unexpectedly?

Yes. Brother's Precision Diesel offers equipment breakdown service in Ontario, CA and the surrounding area. When your heavy equipment fails, we respond with mobile repair capabilities to diagnose and fix the problem at your location. Get in touch immediately if you need emergency assistance.

Do you offer diesel engine overhaul services, and what does that process involve?

We provide diesel engine overhaul services that involve complete disassembly, inspection, cleaning, and reassembly of engine components. This restores performance and extends engine life. Our team handles overhauls for trucks and heavy equipment in Ontario. Contact us for details on your specific engine.

What diesel truck repair services does your team provide?

Brother's Precision Diesel handles all diesel truck repair needs - from engine diagnostics and fuel injection work to transmission service and brake system repairs. We work on light-duty and heavy-duty trucks at our shop or at your location through our mobile diesel mechanic service.

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Is your diesel down? We'll get you moving.

Our team handles diesel engine repair, heavy equipment repair, and mobile service across Ontario, CA. Call us for a quick quote.

Get a quoteCall (909) 910-3119