Roadside Assistance in Sullivan, MO

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.

24/7 Emergency roadside assistance services for truck in Sullivan area, MO

Comprehensive Emergency Services

Our emergency roadside assistance caters to various needs for diesel trucks and fleets. Our team is ready to tackle any challenge, from engine troubles to electrical system failures. We provide:

  • Engine Diagnostics and Repair: Understanding the complexities of diesel engines, we offer thorough diagnostics and efficient repair solutions.
  • Tire Services: Whether a flat tire or wear and tear, our tire services ensure you’re not stranded due to tire issues.
  • Fuel Delivery and Draining: Run out of fuel or filled up with the wrong type? We've got you covered.
  • Battery Jumpstarts: Dead batteries are common, and our quick jumpstart service helps you avoid prolonged delays.
  • Electrical System Repairs: Handling intricate electrical systems with precision, we resolve often overlooked issues.

Round-the-Clock Availability

Our services are available 24 hours a day, seven days a week. We understand that truck breakdowns don't adhere to a 9-to-5 schedule, so neither do we.

Areas We Serve

Harmon Truck Service extends its emergency roadside assistance within a 100-mile radius of Sullivan, MO, covering key areas, including Bourbon, MO; Cuba, MO; Clayton, MO; St. Peters, MO; Chesterfield, MO; Lebanon, MO; and Glenallen, MO.

Emergency Roadside Assistance: A Closer Look

  • Prompt Response, Every Time: Our team responds promptly when you call Harmon Truck Service for emergency assistance. We prioritize getting to your location swiftly, understanding that time is of the essence in the trucking industry.
  • State-of-the-Art Tools and Equipment: Equipped with the latest tools and diagnostic equipment, our technicians are prepared to handle various issues on the spot. This reduces the need for towing services and further delays.
  • Experienced and Certified Technicians: Our team comprises industry-certified professionals who are skilled and regularly trained to keep up with the latest advancements in truck technology.

Call Us For Your Roadside Emergencies

At Harmon Truck Service, we're not just a service provider but your partner in keeping your diesel trucks and fleets running smoothly. With our 24/7 emergency roadside assistance, extensive service area, and a team of expert technicians, we ensure that help is always within reach. Trust us to be there for you, wherever you are within our service radius, ready to tackle any challenge your diesel truck faces.

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Our Heavy-Duty Diesel Mechanic Services

RV in Sullivan area, MO

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.
Truck for DOT inspection in Sullivan area, MO

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 park in Sullivan area

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.
Truck general diesel repairs in Sullivan area, MO

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 in Sullivan area, MO

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.
Freightliner truck

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 repairs in Sullivan area, MO

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 services in Sullivan area, MO

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.
24/7 Emergency roadside assistance services for truck in Sullivan area, MO

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 services in Sullivan area, MO

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.
Semi-truck in Sullivan area, MO

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.
Mechanic providing welding services in Sullivan area, MO

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.

Customers Reviews

What our customers say about our mobile/onsite truck & fleet repair services in The Colony, Texas.

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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!