At Tri-State Diesel Repair, we specialize in servicing all major truck brands with precision and care. Whether you're operating a Volvo, Kenworth, Mack, Peterbilt, Isuzu, Hino, International, or Western Star, our certified diesel technicians are trained to diagnose, repair, and maintain your truck to OEM standards. From complex engine diagnostics to quick roadside assistance, our team is committed to minimizing downtime and maximizing reliability.
As a trusted truck repair shop near me, our Belmont, NH location is fully equipped to handle advanced repairs across light-, medium-, and heavy-duty commercial trucks. We stock manufacturer-specific parts and use cutting-edge diagnostic equipment to ensure each job is done right the first time. Whether your fleet includes long-haul tractors or specialized delivery trucks, Tri-State delivers brand-specific solutions that keep your business moving.
Our Service Area - Serving All Neighboring Areas
Ready to Get Back on the Road?
Trust the experts at Tri-State Diesel Repair. Call (603) 819-5359 today for dependable truck repair, diesel mechanic service, and fleet maintenance in Belmont NH.
Mobile, reliable, and built for your business.
Why Choose Tri-State Diesel Repair for Axle Repair?
At Tri-State Diesel Repair, we understand that a damaged axle can halt your entire operation, which is why we treat every axle repair with urgency and precision. Our experienced teamled by a military-trained technician with over 20 years in the fieldoffers both in-shop and mobile truck repair services, ensuring you're covered whether you're at our truck repair shop in Belmont NH or broken down on the job. We service all types of axles on heavy-duty trucks, trailers, and commercial fleets, using top-tier diagnostics to address the root cause, not just the symptoms. From local drivers to large fleet operators, customers choose us because we’re fast, honest, and committed to getting trucks back on the road safely and efficiently.
Frequently Asked Questions
1. Do you work on Volvo trucks?
Yes, we provide complete diagnostics and repairs for Volvo trucks, including engine, transmission, and electrical systems.
2. Can you service Kenworth and Peterbilt trucks onsite?
Absolutely. Our mobile repair units are equipped to handle Kenworth and Peterbilt maintenance and repair anywhere within our service area.
3. What types of repairs do you offer for Mack and Hino trucks?
We offer everything from suspension and driveline work to emission system and hydraulic repairs for both Mack and Hino trucks.
4. Is OEM-level service available for Isuzu and International trucks?
Yes. Our technicians are trained in OEM standards, and we use manufacturer-approved parts for Isuzu and International trucks.
5. How quickly can you respond for Western Star roadside repair?
We typically dispatch mobile service within 60 to 90 minutes for Western Star roadside assistance in our 50-mile radius.
Tri-State Diesel Repair is a veteran-owned truck and trailer repair company based in Plaistow, NH, offering expert mobile diesel repair, fleet maintenance, and roadside assistance across Southern NH and Northern MA. Trusted. Fast.