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.
Our Service Area - Serving All Neighboring Areas
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.