Mobile Diesel & Heavy Equipment Repair in Somerville, NJ

Need quick, on-site diesel or equipment repair in Somerville?
KS Diesel On-Site Repair is available 24/7 for trucks, trailers, heavy equipment, and fleets, no towing, no delays.

We know Somerville’s roads and job sites, from Gaston Ave to Bridge Street to Chimney Rock. Wherever you break down, we’ll come to you, fast.

About Us

Why Choose KS Diesel in Somerville, NJ ?

We deliver expert-level mobile diesel repair, fully on-site, for Somerville’s contractors, fleets, and operators. No shops, no delays, just fast, certified repairs where you need them.

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, trailers, reefers, heavy equipment, and fleet vehicles of all types.

ASE-CERTIFIED TECHNICIANS

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

Our Services

Our Mobile Diesel & Equipment Repair Services in Somerville, NJ

We bring the full shop to your site. Whether you’re broken down near Main Street, at a construction zone, or parked in a fleet yard off Route 202, we get you back to work, fast.

Heavy Equipment Repair

We fix loaders, backhoes, excavators, skid steers, forklifts, and more, on job sites all across Somerville. Hydraulics down? Machine won’t start? We’ll come to your location and get it running again, same-day.

Mobile Truck Repair

Breakdowns on Route 22 or Route 28? We come to you. We handle engine issues, air leaks, no starts, electrical failures, and more, right where your truck is parked.

Roadside Assistance

If your semi-truck or reefer trailer breaks down near Duke Parkway, we’re ready 24/7. We respond fast to fuel delivery, battery jumps, brake issues, and more.

Line Boring

We provide precision on-site line boring services for worn bores on heavy equipment, minimizing downtime and saving you money on replacements or shop labor.

Welding & Fabrication

Need custom brackets, quick frame repairs, or welding fixes on the job site? We bring full welding capabilities to Somerville job zones.

Hydraulic Hose Repair

From burst lines on skid steers to leaking hoses on cranes, we build and replace custom hydraulic hoses on-site, even after hours.

Diagnostics & Electrical Repair

Check engine light? Won’t start? We run advanced diagnostics to pinpoint diesel engine, ECM, sensor, or electrical issues, fast and accurately.

PM Service (Preventative Maintenance)

Keep your fleet or single machine in top condition with on-site oil changes, filter swaps, inspections, and fluid checks. All done at your yard in Somerville.

Fleet Maintenance

Managing a trucking or equipment fleet in Somerville or Bridgewater? We offer scheduled service, inspections, and emergency response to keep your operations running.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Somerville, NJ

Breakdowns don’t wait, neither do we. Whether it’s 3 AM on a cold morning or Sunday afternoon, we respond immediately across Somerville. Common local breakdown scenarios include:

We Handle All Emergency Situations

We fix it all, no towing, no shop delays, no hassle.

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 Somerville, NJ

Our mobile diesel service supports key industries across Somerville:

We know Somerville’s job sites, equipment, and roads, and we keep your machines moving.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Somerville, NJ

We proudly serve all neighborhoods and surrounding areas in and around Somerville, NJ, including:

Downtown Somerville
Gaston Avenue Area
Bridge Street Corridor
Route 28 Business District
Somerville Train Station Vicinity
Chimney Rock Road / Shopping Center Area

No matter where your breakdown happens in Somerville, we come to you, fast and fully equipped.

Mobile Diesel Repair in Somerville, NJ

Request a Free Estimate

If you're dealing with a breakdown, leak, or engine issue in Somerville or nearby, skip the towing, we come to you.