About Tri-State Diesel Repair
Tri-State Diesel Repair serves owner-operators and fleet managers running diesel trucks and equipment throughout southern New Hampshire and northern Massachusetts. Located in Plaistow, New Hampshire, the shop sits within a 15-mile service radius that covers Haverhill, Massachusetts, Hampstead, East Kingston, Atkinson, and Brentwood, positioning it to reach operators traveling I-495 and US Route 125 corridors. The business handles diesel engine repair, fleet maintenance, and preventive maintenance work, backed by round-the-clock mobile service that brings technicians to your truck or yard. Call (603) 819-5359 for diesel service.
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Our Services
Mobile Service
Fleet Maintenance
Diesel Engine Repair
Preventive Maintenance
Diesel Specialist
Customer Reviews
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Verified Customer
Google Review
Brought my truck to Tri-State Diesel to have my tires installed after hearing good reviews about this buisness. I was greeted by Seth, who is very friendly and personable, and we got talking about engines. I told him I had an issue with my ...
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Verified Customer
Google Review
An excellent place, totally recommend my truck was fixed under the 30min mark, the technician was really knowledgeable, just keep in mind that it is a narrow road if you come with a 53ft trailer.
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Verified Customer
Google Review
I brought my 21 Ram 2500 to BJ's for a set of tires in Salem NH. It was an utter fiasco. I ended up with 2 front tires installed but not balanced and the 2 rear tires in the bed of the truck. They neither had the proper equipment nor do I ...