When your heavy-duty truck breaks down, every minute of downtime costs you money. Whether you need roadside assistance in New Hampshire or a full engine rebuild in Massachusetts, you need a repair service that shows up fast and fixes it
The State of Heavy Truck Repair in New England
New England's rugged terrain and harsh winters put extra strain on heavy trucks and equipment. From logging roads in Maine to construction sites in Massachusetts, breakdowns are inevitable. The region's repair industry is dominated by small, family-owned shops that compete on response time and specialized expertise rather than price. Mobile repair services have become essential, allowing technicians to come to you and get your truck back on the road without costly towing. With the rise of advanced diagnostics and emissions systems, staying on top of maintenance is more critical than ever.
How I Ranked These Services
I evaluated each company based on five key factors: service area coverage (how far they travel), range of services (engine rebuilds, hydraulics, diagnostics, roadside assistance), years in business (experience matters), customer reviews and reputation, and pricing transparency. I also considered whether they offer both mobile and shop-based repair, as flexibility is crucial for minimizing downtime.
Here's a quick comparison of the top five heavy truck repair services in New England. Each brings something unique to the table, from decades of experience to specialized dealer partnerships.
| Provider | Best For | Pricing |
|---|---|---|
| JP&B Heavy Truck Service | Full-service heavy truck repair with 24/7 towing in New Hampshire | Not listed on site |
| J & J Truck Service | 24/7 mobile truck and trailer repair across three states | Not listed on site |
| Redmond Service Center | Specialized heavy truck and RV repair with exclusive dealer partnerships | Not listed on site |
| Laffonds Onsite Repair | 24/7 roadside and mobile heavy truck & equipment repair with hydraulics and diagnostics | Not listed on site |
| Modern Diesel & Equipment Repair | Heavy equipment and mining machinery repair with transparent pricing | $120/hr flat rate + $2/mile traveled |
Detailed Reviews of the Top 5 Heavy Truck Repair Services
#1 JP&B Heavy Truck Service
A screenshot of the JP&B Heavy Truck Service website.
JP&B Heavy Truck Service has been keeping New England's heavy trucks on the road for over 25 years. Located in Westmoreland, NH, they operate from a 4,000+ sq ft facility and offer everything from engine diagnostics to brake repairs and NH state inspections. They also provide 24-hour towing and roadside service, making them a one-stop shop for fleet operators. Their family-owned approach means you get personalized attention and quick turnaround times. If you're in the Monadnock region, they're likely your closest option.
Comparison Table:
- Pro: 25+ years of experience, same-town convenience for Westmoreland customers, comprehensive services including RV repair
- Con: No pricing listed online, limited service area outside New Hampshire
- Pricing: Not listed on site
#2 J & J Truck Service
A screenshot of the J & J Truck Service website.
J & J Truck Service has been a trusted name in heavy truck repair for over 35 years. Based in Troy, NH, they offer 24/7 road service and mobile truck and trailer repair across New Hampshire, Massachusetts, and Vermont within a 50-mile radius. Their capabilities include heavy-duty towing, on-site hydraulics, tire service, computer diagnostics, and reefer repair. They're a family-owned operation that prioritizes fast response times and reliable workmanship. If you need a technician to come to you at any hour, J & J is a solid choice.
Comparison Table:
- Pro: 35+ years of experience, 24/7 emergency service, wide service area covering NH, MA, VT
- Con: No pricing transparency, limited to 50-mile radius from Troy, NH
- Pricing: Not listed on site
#3 Redmond Service Center
A screenshot of the Redmond Service Center website.
Redmond Service Center, founded in 2019, has quickly become a major player in New England heavy truck repair. Based in Hudson, NH, they offer mobile repair and roadside assistance throughout Maine, Massachusetts, Vermont, and New Hampshire. They specialize in heavy-duty truck and RV repair, diesel engine rebuilds, fleet services, and DOT inspections. Notably, they are the exclusive Liquid Spring Services dealer for New England and a Spartan RV Chassis and Cummins-Onan dealer. Their modern approach and dealer partnerships give them an edge for specialized repairs.
Comparison Table:
- Pro: Exclusive dealer for Liquid Spring Services, Spartan RV Chassis, and Cummins-Onan; covers four New England states; modern facility
- Con: Newer company (since 2019), no pricing listed online, may be pricier due to dealer partnerships
- Pricing: Not listed on site
#4 Laffonds Onsite Repair
A screenshot of the Laffonds Onsite Repair website.
24/7 roadside and mobile heavy truck & equipment repair with hydraulics and diagnostics. Based in Westmoreland, NH, they've been operating since 2018 and offer engine rebuilds, hydraulic work, and roadside assistance. Their ASE-certified technicians bring the shop to you, minimizing downtime for your fleet. They serve a wide range of heavy-duty vehicles, from Class 8 trucks to construction equipment. If you value convenience and certified expertise, Laffonds is a strong contender.
Comparison Table:
- Pro: ASE-certified technicians, mobile and shop options, serves all of New England, founded 2018 with growing reputation
- Con: Relatively newer (since 2018), no pricing listed online, limited brand recognition compared to older competitors
- Pricing: Not listed on site
#5 Modern Diesel & Equipment Repair
A screenshot of the Modern Diesel & Equipment Repair website.
Modern Diesel & Equipment Repair, based in Ayer, MA, serves all of New England with over 15 years of experience. They are MSHA certified and Caterpillar trained, specializing in construction and mining equipment repairs, hydraulic inspections, and component rebuilds. They offer 24/7 emergency service and are transparent about their pricing: $120 per hour flat rate plus $2 per mile traveled. If you need heavy equipment repair in Massachusetts or beyond, Modern Diesel brings certified expertise to your site.
Comparison Table:
- Pro: MSHA and Caterpillar certified, transparent pricing, 24/7 emergency service, covers all New England
- Con: Hourly rate plus mileage can add up, primarily focused on construction/mining equipment rather than over-the-road trucks
- Pricing: $120/hr flat rate + $2/mile traveled
How to Choose the Right Heavy Truck Repair Service
When selecting a heavy truck repair provider, start by considering your service area. Do you need a shop that covers multiple states or just your local region? Next, evaluate the range of services: engine rebuilds, hydraulics, diagnostics, and roadside assistance are must-haves for most fleets. Experience matters—companies with 20+ years often have deeper expertise. Also, check for certifications like ASE or manufacturer training. Finally, ask about response times and pricing. Some companies are transparent, while others require a call. Choose a partner that aligns with your operational needs and budget.
Automating Your Fleet Maintenance Workflow
To minimize downtime, integrate your repair service into a preventive maintenance schedule. Use fleet management software to track mileage and engine hours, then automatically trigger service reminders. When a breakdown occurs, have a pre-vetted list of mobile repair providers like the ones above. Some services offer online booking or GPS tracking for their technicians. By automating routine inspections and emergency response protocols, you can reduce unplanned downtime and extend the life of your vehicles.
Final Thoughts on New England Heavy Truck Repair
New England's heavy truck repair market is filled with capable, family-owned businesses that prioritize getting you back on the road. Whether you choose JP&B for its decades of experience, J & J for 24/7 mobile service, Redmond for specialized dealer work, Laffonds for certified mobile repair, or Modern Diesel for transparent pricing, each offers distinct advantages. The key is to match your specific needs—service area, vehicle type, and urgency—with the right provider. Don't wait for a breakdown; build a relationship with a repair service before you need one.