Commercial Truck Repair Shop in Downingtown, PA
FMI Fleet Service provides Chester County with professional light to heavy-duty commercial truck repair & fleet services from our shop in Downingtown, PA. We offer service both in-shop and via mobile service to a 50 mile radius, including Philadelphia, Allentown, Wilmington, Reading, Lancaster, along Highways 30 & 322, & more. Contact our diesel mechanic team today for more information and to schedule service!
Contact UsAbout FMI Fleet Service
FMI Fleet Service has been a trusted name in commercial truck repair and maintenance in Chester County, Pennsylvania since 1994. Originally founded by Fred, a former Marine, the business has been passed down to his son, Brandon Madonna, who continues to uphold his father’s legacy of quality work and outstanding customer service. Brandon, along with his two full-time technicians, runs a small but tight-knit operation, focusing on delivering industry-leading repairs and maintenance on a wide range of diesel vehicles.
What sets FMI Fleet Service apart is our focus on mobile services, which allows us to meet the needs of our customers wherever they are. While our repair shop is equipped to handle large-scale repairs, our priority is to keep your fleet moving without unnecessary downtime. Our experience with FedEx Ground trucks and a wide range of manufacturers means we have the skills and knowledge to tackle any issue efficiently and correctly the first time.
Our Heavy-Duty Diesel Mechanic Services
FMI Fleet Service is a trusted commercial truck repair shop serving Downingtown, West Chester, & Chester County, PA. We provide a wide range of expert fleet and heavy-duty vehicle services, including DOT inspections, preventive maintenance, & mobile truck repair to a 50 mile service radius.
Our team is dedicated to keeping your vehicles road-ready with efficient, reliable solutions tailored to your needs. Whether you need on-site repairs or scheduled maintenance, we ensure that your fleet stays in peak condition, minimizing downtime and maximizing performance. Count on us for professional, timely service that keeps your trucks moving.
Trusted Commercial Truck Repair & Maintenance Services
FMI Fleet Service is your go-to semi truck repair shop in Downingtown & West Chester, PA, providing a full range of diesel repair services for fleet, heavy-duty, and medium-duty trucks. From diesel engine overhauls and brake repairs to preventive maintenance and diagnostics, our skilled technicians ensure that your vehicles stay in top condition.
We are dedicated to keeping your trucks running smoothly, safely, and efficiently, minimizing downtime with reliable, expert service that meets the needs of your fleet.
Testimonials
John Smith
"I love these guys, their shop is always on top of things. When they do something on my truck I always have a full report with pictures what they found after inspection."

882 Horseshoe Pike, Downingtown, PA
FMI Fleet Service provides expert commercial truck repair services from our shop in Downingtown, PA, & to a 50 mile mobile service radius, including throughout Chester County, Philadelphia, Allentown, Lancaster, Reading, along Highways 30 & 322, & more!
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