We Keep You Rolling

Medium to Heavy Duty & Fleet Repair Shop in Chicago, IL

On Site Mechanical is Chicago’s premier heavy-duty truck repair shop, specializing in fleet services, mobile repairs, and 24/7 roadside assistance. We deliver reliable solutions to keep your trucks running smoothly.

SERVICES

Our Diesel Truck Services

We offer a full range of services to keep your fleet in top shape. Our mobile services bring routine inspections and repairs directly to your location. When the unexpected happens, our 24/7 roadside assistance provides fast, expert help to get your truck back on the road quickly. We also specialize in lift gate repairs, federal DOT inspections, preventive maintenance, towing, and much more.

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ABOUT

About On Site Mechanical Services

Since 2004, On Site Mechanical has been a family-owned and operated heavy-duty diesel repair shop proudly serving Chicago, IL, and the entire Chicagoland area. Our state-of-the-art facility and 5-acre lot provide ample space for repairs, parking, and storage. With seven fully equipped mobile service trucks, we bring the shop to you, ensuring top-tier mobile services wherever you are.

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REPAIRS

We Offer a Wide Range of Repairs

Our repair services cover every aspect of heavy-duty truck maintenance and restoration. We provide comprehensive repairs for heavy-duty trucks, buses, RVs, trailers, and fleets. At On Site Mechanical, we deliver high-quality repairs and maintenance that keep your business running smoothly and efficiently.

For exceptional heavy-duty truck repairs, mobile services, and 24/7 roadside assistance, choose On Site Mechanical. Call (708) 670-5566 or visit us at 13518 S Hoxie Ave, Chicago, IL 60633 today!

REVIEWS

Testimonials

Here's What our customers are saying, feel free to leave us a review!

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Where to Find Us