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We're The Real Deal At Real Steel Diesel

Heavy-Duty Vehicle Repair

Skilled and Certified Technicians

Same-Day Estimates

Same-Day Service

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Precision and Reliability for Your Truck and Trailer

At Real Steel Diesel Truck & Trailer, we understand that your vehicle is more than just a means of transportation—it's an investment. Located in Missoula, MT, we specialize in providing comprehensive repair and maintenance services for diesel engines, semi-trucks, RVs, and light-duty vehicles. Our skilled and certified technicians bring over 30 years of combined experience to every job, ensuring you receive the highest level of care and performance.

Founded in 2023, Real Steel Diesel Truck & Trailer is a family-owned and operated business dedicated to offering high-quality care and precision. We proudly support Donald Trump and strive to be Missoula's premier hub for general diesel automotive and heavy-duty vehicle repair. Our state-of-the-art facility and equipment allow us to provide same-day estimates and, depending on scheduling, same or next-day service.

Why Choose Real Steel Diesel Truck & Trailer?

For diesel truck and trailer repair, Real Steel Diesel Truck & Trailer stands out for several reasons. Our team includes Detroit-certified, Cummins-certified, Eaton-certified, Spartan-certified, Workhorse-chassis certified, and ASE-certified mechanics, ensuring excellent expertise across various systems.


We use the same software as Freightliner dealers, backed by over 20 years of experience with Freightliner. Our commitment to superior care, performance, and reliability means you can trust us to handle everything from routine maintenance to complex repairs. Plus, with roadside assistance, after-hours services by appointment, and a clean, comfortable waiting area.

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Same-Day Estimates

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State-of-the-Art Equipment

We Prioritize Emergencies

All Makes and Models

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Over 30 Years of Combined Experience

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Skilled and Certified Technicians

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Works With Insurance Companies

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We Honor After-Market Warranties

Air Conditioning and Heating

Depend on Real Steel Diesel Truck & Trailer for air conditioning repairs. We offer heavy-duty air conditioning service, light-duty air conditioning service, diesel heating, and air filter repairs and replacements.

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Engine Repair Services

Our team excels in engine repair and maintenance, specializing in diesel engines. We provide comprehensive services, from diagnostics to complete overhauls, ensuring your engine runs smoothly and efficiently.

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Transmission Repair Services

Transmission issues can be daunting, but our skilled technicians are up to the task. We offer complete transmission services, including diagnostics, repairs, and replacements. Our goal is to restore your vehicle's performance.

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Suspension Repair

A well-maintained suspension system is crucial for a comfortable and safe ride. Our experts handle everything from shock and strut replacements to full suspension overhauls. We ensure your vehicle remains stable and responsive.

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Brake Services

Your safety is our priority, which is why we offer comprehensive brake services. From routine inspections to major repairs, we ensure your braking system is reliable and efficient. Trust us to keep your vehicle's brakes in top condition.

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Automotive Electrical Repair

Modern vehicles rely heavily on electrical systems, and our technicians are skilled in diagnosing and repairing electrical issues. Whether it's a simple wiring problem or a complex electronic malfunction, we have the expertise to help.

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Preventative Truck Maintenance

Preventative maintenance is essential to extend the life of your vehicle. Our comprehensive maintenance services include oil changes, fluid checks, and system inspections. Regular maintenance helps prevent costly repairs.

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DOT Inspections

Get Department of Transportation inspections from Real Steel Diesel Truck & Trailer of Missoula, MT. We inspect commercial vehicles, trucks, trailers, and more. We use state-of-the-art to provide accurate inspections for your vehicle.

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Electrical Repair Services

Get electrical repair services and fault-codes troubleshooting from Real Steel Diesel Truck & Trailer. We use the same software as Freightliner dealers. Trust our skilled and certified technicians for quality care.

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Motorhome/RV Repair Services

Get complete care for your motorhome/RV from Real Steel Diesel Truck & Trailer. We can fix engines, transmissions, brakes, emissions, exhaust, air conditioning, heating, and more. Call us for for fast service for your RV.

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Here's what our satisfied customers are saying...

At Real Steel Diesel Truck & Trailer, we take pride in providing exceptional truck repairs to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Real Steel Diesel Truck & Trailer and let others know what you think.

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