Mobile Diesel & Heavy Equipment Repair in New Brunswick, NJ

Broke down on Route 18 or stuck near Jersey Ave? KS Diesel On-Site Repair brings fast, 24/7 mobile diesel service anywhere in New Brunswick.

We fix trucks, trailers, and heavy equipment on-site no towing, no delays. From contractors to fleet managers, we keep New Brunswick moving.

Located in the heart of Middlesex County, New Brunswick sees constant construction, freight, and fleet traffic. Breakdowns on Route 1, I-95, or in industrial yards near Joyce Kilmer Ave can’t wait and we don’t make you.

We come to you. Fast, mobile, and built for emergency response wherever you’re stuck.

About Us

Why Choose KS Diesel in New Brunswick, NJ ?

We deliver expert-level mobile diesel repair, fully on-site, for New Brunswick’s contractors, fleet operators, and equipment yards. No shops. No delays. Just fast, certified repairs where your breakdown happens.

100% ON-SITE REPAIRS

All repairs are done at your location no towing, no waiting, and no shop delays.

24/7 EMERGENCY SERVICE

Breakdowns don’t wait. We’re ready nights, weekends, and holidays with fast, on-site response.

1-YEAR WORKMANSHIP WARRANTY

Every repair is backed by our full 1-year warranty, whether it’s welding, hydraulics, or diagnostics.

TRUCKS, TRAILERS & EQUIPMENT

We service diesel trucks, reefers, trailers, excavators, loaders, and all heavy-duty fleet vehicles.

ASE-CERTIFIED TECHNICIANS

Repairs are performed by skilled, experienced, ASE-certified diesel mechanic guaranteed.

Our Services

Our Mobile Diesel & Equipment Repair Services in New Brunswick, NJ

We cover every critical component on trucks, trailers, and heavy equipment. Here’s what we repair on-site:

Heavy Equipment Repair

We repair excavators, skid steers, loaders, and backhoes right on your New Brunswick jobsite. No hauling needed we fix hydraulics, starters, and electrical issues on-site.

Mobile Truck Repair

From semi trucks to delivery rigs, we handle brake, fuel, DEF, and electrical issues anywhere in New Brunswick including Route 1, Route 18, and local yards.

Roadside Assistance

Broke down on Jersey Ave or stuck on the Turnpike? We bring emergency diesel repair to you, fast no towing, no shop delays, any time of day or night.

Line Boring

We restore worn bucket pins and pivot points with precision line boring, fully mobile. Ideal for contractors and municipal crews working across New Brunswick.

Welding & Fabrication

From frame cracks to custom repairs, we offer mobile welding on trailers and equipment across New Brunswick done on-site, same-day.

Hydraulic Hose Repair

We cut, crimp, and replace blown hydraulic hoses on the spot. Serving machines and fleets across New Brunswick job sites and yards.

Diagnostics & Electrical Repair

We run full diagnostics at your location in New Brunswick to find engine, DEF, and electrical issues fast no need to visit a shop.

PM Service (Preventative Maintenance)

Avoid breakdowns with routine oil changes, filter swaps, and full PM inspections done on-site for fleets and contractors throughout New Brunswick.

Fleet Maintenance

We keep your fleet running with on-site maintenance tailored for trucks, trailers, and heavy equipment. From scheduled PMs to emergency repairs, we service fleets across New Brunswick no towing, no downtime, just consistent, reliable support.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in New Brunswick, NJ

Breakdowns don’t wait – and neither do we. We’re based nearby in Bound Brook and respond fast across Middlesex County.

We Handle All Emergency Situations

We’ve seen it all. We fix it all.

What Our Customers Say

TESTIMONIAL

      EXCELLENT  
   Based on 30 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Howard Mcnabb 
 
 
 
 Trustindex verifies that the original source of the review is Google. I was stuck on 202  from last night and Kevin came and got me up and running this morning. And his prices  are reasonable .I would definitely go with him again
  
 
      Posted on Google  
   
   Nicholas Dessauer 
 
 
 
 Trustindex verifies that the original source of the review is Google. Kevin is a absolute amazing Mechanic!!!! We were coming back to Long Island fromKY and the Fan pulley went out on our 3500 diesel truck and he was able to get the parts and fix the truck and have us back on the road in very quick way. Excellent service and communication. Price was very reasonable and for a same day call and fix he did an Outstanding Job!!! Thank you again Kevin we appreciate you so much!!!!
  
 
      Posted on Google  
   
   Karam Bains 
 
 
 
 Trustindex verifies that the original source of the review is Google. I am from canada and got problem on my Columbia with Cat c15, twin turbo And looked for mobile service and got in touch with KS diesel in NJ he is the best guy I have ever met for mobile service , very much knowledgable and cool headed , not greedy Would recommend this guy to everyone, if you got any problem in Somerset NJ area call this guy 10/10 for price 10/10 problem solver
  
 
      Posted on Google  
   
   Eric Karstensen 
 
 
 
 Trustindex verifies that the original source of the review is Google. Kevin is the best. Fast excellent work. Great on the road mechanic. Best prices around! Nice guy. Would recommend for all truck repairs. A++
  
 
      Posted on Google  
   
   Danny Guerrieri 
 
 
 
 Trustindex verifies that the original source of the review is Google. Awsome
  
 
      Posted on Google  
   
   ibrahim elhabbal 
 
 
 
 Trustindex verifies that the original source of the review is Google. Trust worthy, honest, genuine and very hard working. What else do you need from your mechanic. Always answers right away and gives you best recommendations!!!!!!

Industries We Serve in New Brunswick, NJ

New Brunswick’s busy roadways and active industrial zones make it a high-demand area for fast, on-site diesel repair. We proudly support:

We know New Brunswick’s sites, traffic, and equipment and we keep your operation running.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in New Brunswick, NJ

We proudly serve every neighborhood and commercial corridor in and around New Brunswick, NJ, including:

Wherever you break down in New Brunswick, we come to you fast fully equipped and ready to repair.

Mobile Diesel Repair in New Brunswick, NJ

Request a Free Estimate

Your truck, trailer, or heavy equipment doesn’t need to leave New Brunswick to get fixed. KS Diesel brings the shop to you – fast.