Truck Specialists Inc.
Wesetern Star Logo

Get in touch: (330) 538-3850    
Stop by: 385 S. Bailey Rd., North Jackson, OH.

Service Department

Our team of experienced factory trained Specialists are here to get you back on the road and keep you moving forward. Whether it is routine preventative maintenance, a transmission or engine overhaul, or an emergency repair, our team is here to help! Check out our services below.


Our factory trained Detroit Engine Specialists are trained on the latest technology. From valve adjustments to crankshaft replacements we have the tools necessary to make sure your Detroit engine continues to perform at its optimum power and efficiency.


Our Authorized Cummins Engine Specialists and genuine Cummins parts help you get the most from your Cummins engine. Regardless of your chassis OEM brand we can handle your Cummins maintenance, repair and warranty needs.

TSI is an authorized dealer for the world leader in fully automatic transmissions. Our factory trained Transmission Specialists are committed to caring for and maintaining your Allison automatic transmission. Call us for service or diagnosis and repair of your 1000-4000 Series Allison Transmissions.

Express Repairs

Need a simple repair done fast? Our Specialists are ready to handle your minor (1 hour or less) repair needs with no appointment required. We understand that a long wait for a short repair is not the best way to keep you moving. Example items include: brake chamber, hose replacement, single airbag replacement, clutch free play adjustment and mud flap replacement.

Express Diagnostics

Our service team is committed to providing you preliminary diagnosis and repair options within two hours of arrival. This valuable information will help you make informed decisions to maximize up-time for your business. Appointments are not required for this service.

Transmission & Axle Repair

Our Transmission & Axle Specialists offer minor repairs to complete remanufacturing of manual & automated transmissions and differentials. Carry in or drive in your Detroit, Eaton, Meritor and Allison Drivetrain components today.

Welding and Fabrication

Our Welding and Fabricating Specialists offer services from arc, mig, tig to plasma cutting with both steel and aluminum. We have a fully equipped shop to handle every job big or small. Example services include dump bed floor replacement, trailer stake pockets, custom pump and pto installation, frame repairs and extensions, and wheelbase changes.

Preventative Maintenance

Preventative maintenance is the best way to maximize your vehicle's performance, your safety, and up-time by identifying and fixing minor issues before they turn into major repairs. Our Maintenance Specialists will perform a complete service and inspection of your vehicle. We are certified for Federal Inspections as well as FedEx, Landstar and Universal inspections.

Hy-Rail Inspection and Repair

TSI is a Harsco Certified Hy-Rail inspection station. Our Maintenance and Parts Specialists are familiar with Hy-Rail components and aim to get you safely back on the track in a timely fashion. We invite you to bring your Hy-Rail equipped truck and equipment to our shop for a thorough inspection or repair today.

Mobile Maintenance & Repair

Our fully equipped service truck is available to service all of your mobile maintenance and repair needs on your site. We deliver high quality on site preventative maintenance to your door or road call break down assistance to your fleet anywhere within 50 miles.

Onsite Diagnostics

Our Outside Service Sales Specialists are equipped with the latest computer tooling required to get you the answers and options needed to be profitable in today’s industry. Our team is on the road seeing customers everyday. We learn your business needs and perform on site diagnostics providing you with real-time options for repairs.

Parts and Service Credit

Click here for our parts and service credit application. In just a few short minutes your application can be filled out and we aim to have an approval within hours.

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