Harmon Truck Service

Medium to Heavy-Duty Truck Repair Service in Sullivan area, MO

Welcome to Harmon Truck Service, your premier destination for unparalleled truck servicing and leasing solutions, in Sullivan, MO, at 1411 South Service Road West. Since our inception in 2015, we have been committed to excellence, innovation, and customer satisfaction, carving out a niche in the truck service industry.

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Our Truck Repair Services

Bus in Sullivan area, MO

Bus & Coach Repair

At Harmon Truck Service, located in the heart of Sullivan, MO, we understand the critical importance of keeping buses and coaches in top condition. Our dedicated team of technicians specializes in comprehensive maintenance and repair services, tailored to meet the unique demands of your fleet.
Truck cabin

Custom Truck Modifications

Our commitment to excellence and innovation sets us apart as we cater to a diverse clientele, ranging from individual truck enthusiasts to large fleet operators. Our expert team specializes in transforming standard trucks into exceptional machines that meet and exceed your specific needs.
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

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

At Harmon Truck Service, we understand the critical role diesel trucks play in your business operations. Our comprehensive diesel repair services are tailored to meet the diverse needs of individual trucks and large fleets. With a focus on quality, efficiency, and reliability.
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.
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.
RV in Sullivan area, MO

RV/Motorhome

Welcome to Harmon Truck Service, nestled in the heart of Sullivan, MO. We understand that your RV or motorhome 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.
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

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.
Freightliner truck

Truck Parts

Whether you're managing a fleet of diesel trucks, operating heavy construction equipment, or ensuring the reliability of emergency vehicles, our comprehensive inventory caters to a wide range of vehicles, including trailers, motor homes, coaches, hy-rail trucks, and heavy equipment.
Mechanic providing welding services in Sullivan area, MO

Welding

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.

Our Commercial Truck Repair Services

Customers Reviews

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

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Contact us

Give us a call or request service via our service request form! We specialize in commercial truck repairs.