tri-state diesel repair

TRUCK Repair & fleet Services in Plaistow, NH

Tri-State Diesel Repair proudly provides truck repair & fleet services for light to heavy-duty trucks, trailers, and commercial vehicle fleets in Plaistow, NH & the surrounding areas. Our team of highly trained diesel mechanics have the experience & expertise to perform a wide range of repair both in our shop and at your location to get your truck back on the road quickly. For top-rated truck repair & fleet services in Plaistow, NH, call Tri-State Diesel Repair today to schedule the repair services you require!

about us

Plaistow's go-to Diesel repair specialists

Welcome to Tri-State Diesel Repair, your premier destination for heavy-duty diesel repair needs! Established in 2017 by Seth Bubar, we take immense pride in being the local truck repair experts the community trusts. Our journey started when Seth, an experienced technician, realized that he had hit the ceiling in terms of growth while working for others. So he fearlessly decided to rev up his own venture, and Tri-State Diesel Repair was born! With over two decades of experience in the industry, Seth knows the ins and outs of heavy equipment like the back of his wrench. He earned his stripes in the military, gaining invaluable knowledge and skills that have become the backbone of our services.

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our repairs

Our Truck Repair Services

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Axle Repair

Our adept technicians possess the finesse and expertise to skillfully manage truck axle repairs, all while meticulously tending to even the minutest intricacies.

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Brake Repair

Tri-State Diesel Repair is your go-to for premium brake solutions that guarantee safety and performance. Don't compromise on the efficiency of your truck's braking system.

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Coolant System Repair

From coolant system maintenance to radiator repairs, we've got all your coolant system repairs covered. Trust the professionals who understand the ins and outs of heavy-duty vehicles.

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Performance ECM Tuning

We deliver cutting-edge Heavy-Duty Performance ECM Tuning service. Boost your truck's performance, increase fuel efficiency, and gain more horsepower and torque.

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Diagnostics & Electrical Repair

In the heart of Plaistow, NH, our team of adept technicians specializes in delivering exceptional heavy-duty electrical and diagnostic repairs tailored to trucks and fleets.

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Driveline Repair

Tri-State Repair, located in Plaistow, NH, stands ready to provide a solution with our all-encompassing driveline repair services, specially designed for heavy-duty trucks.

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EGR & DPF

Your aftertreatment systems need to be in top shape, not just for performance on the road but to stay on the right side of the EPA and their regulations.

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Engine Repair, Rebuild, Overhaul & Conversion

Whether it's a simple repair, a complete engine rebuild, or even a conversion project, we've got you covered!

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Express Lube Repair

Our exceptional express lube service guarantees a swift and confident return to the road. Count on us to have you back behind the wheel in no time, feeling assured and ready to go.

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Exhaust System Repair

Ready to enhance truck performance and meet emissions standards? Our solutions offer a seamless blend of increased power and environmental responsibility.

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HVAC System Repair

Our team of skilled technicians specializes in heavy-duty HVAC system repairs to keep your trucks running smoothly, no matter the weather or the road ahead.

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Oil & Fluid

Our skilled team delivers exceptional heavy-duty oil and fluid repairs. With our expertise, your trucks will continue to operate smoothly and efficiently, minimizing downtime.

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Suspension Repair

Is your ride feeling a bit bumpy? Then rely on our heavy-duty suspension repair service to sort out all of your suspension woes and get you back on the road safely and comfortably.

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Tire Repair

Recognizing the critical significance of uninterrupted vehicle operation, we provide dependable tire repair services tailored precisely to your requirements.

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Transmission & Clutch Repair

Our expert technicians specialize in all aspects of heavy-duty diesel repair, utilizing advanced techniques to ensure your vehicles perform at their best on the road.

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Contact us

Get in touch with Tri-State Diesel Repair today to schedule, truck & equipment repair services in Plaistow, NH & the surrounding areas.

"Seth, is friendly and professional.  He showed up on time and finished the job. Excellent mechanic!"
Jevon Hamm

New England Firewood, LLC

5 star review

"I have been using Wrenchn-It Diesel for over 4 years now. Started with oil change for dump truck, mobile service for replacing hydraulic lines and belts on machines. Seth has always been there on short notice and is a great mechanic. Just a great overall guy and very easy to work with. Highly recommend!"

"I had a hub bearing go out on my truck. Butler's Truck Repair got me fixed up quickly and did great work at a very fair price. I highly recommend them for all repairs, from pickups to semi trucks. Thanks  to Sam for the great work."

Craig Loring

5 star review

"I gotta give a big shoutout to the team at WRENCHN’ IT DIESEL REPAIR! They went above and beyond to accommodate me and my family in getting our rig back on the road!
I CANT THANK YOU ENOUGH SETH!"

"I had a hub bearing go out on my truck. Butler's Truck Repair got me fixed up quickly and did great work at a very fair price. I highly recommend them for all repairs, from pickups to semi trucks. Thanks  to Sam for the great work."

DANNY MOHAMMED

5 star review

"Studs broke on my truck called all around nobody was able to fix it or had the time, called wrench it and he said no problem but it will be a wait,the man went pick up studs nuts and rims And came out to me and fixed in the rain. Thumbs up to this guy. All our truck repairs up in this area will be done by them. Highly recommend 👌"

"I had a hub bearing go out on my truck. Butler's Truck Repair got me fixed up quickly and did great work at a very fair price. I highly recommend them for all repairs, from pickups to semi trucks. Thanks  to Sam for the great work."

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Had a great experience with Tri-State Diesel Repair?

Would you kindly spare a moment to share your most recent encounter with us? Your invaluable feedback will not only aid us in enhancing our services but also offer crucial guidance to others as they make informed choices. We deeply appreciate your status as a cherished customer, and we are eagerly anticipating your insights!

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