NH Repairs provides diesel engine repair and diagnostics for commercial trucks in Boca Raton and southern Palm Beach County from our shop at 2221 NW 22nd St in Pompano Beach — approximately 20 minutes south on I-95. Boca Raton sits at the convergence of I-95, the Florida Turnpike, and Glades Road, making it a significant transit point for commercial freight. High-cycle operation on these corridors puts real demands on diesel engines — aftertreatment systems, fuel systems, and cooling components in particular.
We work across all major diesel platforms and specialize in aftertreatment and emissions repair — one of the most common and most avoided problem areas in commercial diesel service. We diagnose root causes before recommending repairs, and we fix things correctly the first time.
Diesel Repair Services
Diesel Engine Diagnostics
Full diagnostic scans across Cummins, Detroit Diesel, Paccar MX, CAT, Volvo D-series, Mack, and other major commercial platforms. We identify root causes before recommending any repair — no guesswork, no unnecessary parts.
Aftertreatment and Emissions Systems
DPF cleaning and replacement, EGR repair, SCR system service, DEF injector work, and diesel oxidation catalyst repair. Trucks running long-haul routes from Boca Raton south through Miami accumulate significant aftertreatment wear — we resolve these failures completely rather than clearing codes and sending trucks back out.
Fuel System Service
Injector testing, cleaning, and replacement; high-pressure common rail diagnostics; fuel pump repair; lift pump replacement; and complete fuel system diagnostics across all major diesel platforms.
Engine Overhaul and Rebuild
In-frame and out-of-frame overhauls for major commercial diesel engines. We give you an honest assessment of whether an overhaul makes financial sense before recommending one — OEM and quality aftermarket parts used throughout.
Cooling System Repair
Radiator repair and replacement, coolant pump service, thermostat replacement, and pressure testing. Florida heat accelerates cooling system wear — early detection prevents more expensive engine damage downstream.
Turbocharger Service
Turbo inspection, cleaning, rebuild, and replacement for engines experiencing boost loss, excessive smoke, or power degradation.
Diesel Platforms We Service
- Cummins ISX, X15, ISB, ISL, and ISM series
- Detroit Diesel DD13, DD15, and DD16
- Paccar MX-11 and MX-13
- CAT C7, C13, and C15
- Volvo D11, D13, and D16
- Mack MP7 and MP8
- Navistar MaxxForce and A26
- Hino and Isuzu medium-duty diesel engines
Who We Serve in Boca Raton
- Freight and logistics operators on I-95 and the Florida Turnpike
- Construction and contracting equipment operators in southern Palm Beach County
- Food and beverage distribution companies
- HVAC and utility service fleets
- Municipal and government fleet operators
- Owner-operators running between Palm Beach and Miami-Dade counties
Why Boca Raton Operators Choose NH Repairs for Diesel Work
20 minutes from Boca Raton on I-95. Our Pompano Beach shop is the closest full-service diesel repair option for most Boca Raton-area operators — faster turnaround than shops located further into Palm Beach County.
Aftertreatment handled in-house. DPF, EGR, SCR, and DEF system work is done by our technicians — not outsourced. Faster, more accountable, and less expensive than shops that send the work out.
Diagnosis before repair. We identify the actual root cause before recommending any work. No parts-swapping, no repeat visits for the same problem.
30-day guarantee on all diesel work. Every repair carries a 30-day guarantee on labor and parts.
Frequently Asked Questions
What diesel engines do you work on?
Cummins, Detroit Diesel, Paccar, CAT, Volvo, Mack, Navistar, Hino, and Isuzu. Call us at (954) 982-6710 if your engine isn't listed — we likely service it.
Do you handle DPF and aftertreatment repairs for Boca Raton fleets?
Yes. Aftertreatment — DPF, EGR, SCR, and DEF systems — is one of our core service areas. Everything is handled in-house across all major platforms.
Can you come to our Boca Raton location for diesel diagnostics?
Mobile diagnostic service is available for fleet accounts. We can perform field diagnostics and some repairs at your location. Major engine work is completed at our Pompano Beach shop.
Do you perform diesel engine rebuilds?
Yes. In-frame and out-of-frame overhauls for most major commercial diesel engines. Contact us with your engine model and mileage for an honest assessment.
How long does diesel repair typically take?
Diagnostics and minor repairs are often completed same-day or next-day. Engine overhauls and major component work take longer — we provide an accurate timeline upfront so you can plan around the downtime.