Heavy-Duty Diesel Mechanic Services in Sullivan, MO + 100 Mile Mobile Radius
Harmon Truck Service provides professional heavy-duty diesel mechanic services from our truck repair shop in Sullivan, Missouri. We provide a wide range of repairs & services in-shop, as well as 24/7 emergency roadside assistance & mobile repair services within a 100-mile service radius, including St. Louis, Rolla, Columbia, Jefferson City, Lebanon, Farmington, & more! Get in touch with us today to schedule your diesel mechanic services in Sullivan, Missouri and the surrounding area!
Our Heavy-Duty Diesel Mechanic Services
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Coach and RV Repair
Welcome to Harmon Truck Service, nestled in the heart of Sullivan, MO. We understand that your Coach or RV is more than just a vehicle; it's your home away from home. That's why we offer top-tier repair and maintenance services to keep your mobile abode in peak condition.
DOT Inspection
Harmon Truck Service specializes in Department of Transportation (DOT) inspection services, ensuring your diesel trucks and fleets are road-ready and regulation-compliant.
Fleet Services
At Harmon Truck Service, based in Sullivan, MO, we understand the critical role that fleet vehicles play in your business. Whether your fleet consists of heavy-duty trucks, commercial vans, or specialized vehicles, each unit is vital to your business machinery.
General Diesel Repair
If your check engine light is on, regen issues arise, or performance is off, Harmon Truck Service has the tools to help. We offer the best in computer diagnostics as well as deep engine repairs on Cat, Cummins, Detroit Diesel, Mercedes, International, Volvo, Mack & more. Visit us today!
Heavy Equipment Repair
We understand the pivotal role that machinery like Bobcats, skid steers, backhoes, dozers, and excavators play in your daily operations. Our commitment is to ensure that your equipment remains in peak condition, minimizing downtime and maximizing productivity.
Heavy-Duty Truck Parts
Harmon offers a vast variety of parts from manufactures you know and trust. We offer parts for all makes and models both OE components from manufactures like Freightliner, Thomas Built bus to Detroit Diesel. We also offer Buyers, Velvac, Alliance Brand parts, Donaldson, Fleetguard & Detroit filters.
Mobile Truck Repair
At Harmon Truck Service, we understand the challenges of managing and maintaining diesel trucks and fleets. Our mobile truck repair services are designed to offer comprehensive solutions for your diesel truck needs.
Preventive Maintenance
At Harmon Truck Service, we understand the critical role of diesel trucks and fleets in our economy. Our preventive maintenance services are designed to keep your diesel trucks and fleets running smoothly and efficiently.
Roadside Assistance
At Harmon Truck Service, based in Sullivan, MO, we understand that every second counts when your diesel truck or fleet faces an unexpected breakdown. That's why we offer dedicated 24/7 emergency roadside assistance services, ensuring help is always a call away.
Towing Service
We specialize in offering top-notch towing services for diesel trucks and fleets. Our partnership with a reliable third-party towing service ensures that your heavy-duty vehicles are in safe hands during transportation.
Trailer Repair
We understand the crucial role your trailer plays in your daily operations, whether it's for business or personal use. Our expert team is dedicated to ensuring that your trailer is always in top condition, providing you with reliability and peace of mind.
Truck Welding Services
We specialize in offering customized solutions to meet the diverse needs of your heavy-duty vehicles. Whether you manage a small fleet or run a major trucking company, our expertise in welding and fabrication is designed to keep your trucks running smoothly and efficiently.
Contact Us
Get in touch with Harmon Truck Service today to schedule heavy-duty truck repair services! We're located between Rolla & St. Louis, MO along Interstate 44. Give us a call or fill out our service request form!
