Heavy-Duty Truck Repair Services in Sullivan, MO

With 12 service bays and a highly-trained team of diesel mechanics, Harmon Truck Service is proudly Sullivan, Missouri's #1 choice for heavy-duty truck repair services. We offer a wide range of repair and maintenance services in-shop, as well as 24/7 emergency roadside assistance and mobile repair within a 100-mile radius. From collision repairs and alignment services, to transmission repair and diesel engine repair services, we are your trusted mechanic team for all your heavy-duty truck repair needs. Get in touch today to schedule the services you require.

Semi-truck driving in Sullivan area, MO

Our Heavy-Duty Truck Repair Services

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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!