Mobile Diesel & Heavy Equipment Repair in Woodbridge, NJ

Stuck on Route 9 or the Turnpike? KS Diesel On-Site Repair delivers fast, expert diesel service anywhere in Woodbridge 24/7. From semi-trucks and trailers to excavators and skid steers, we fix it all on-site.

Woodbridge is a major transit hub with nonstop traffic on Route 1, Route 9, and the Garden State Parkway. Whether you’re near Rahway Avenue, Keasbey Industrial Area, or I-95 Exit 11, we’ll get your truck or equipment running no tow needed.

About Us

Why Choose KS Diesel in Woodbridge, NJ ?

We deliver expert-level mobile diesel repair, fully on-site, for Woodbridge’s contractors, fleets, and equipment operators. No shops, no delays just fast, certified repairs where and when 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 from welding to hydraulics and diagnostics.

TRUCKS, TRAILERS & EQUIPMENT

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

ASE-CERTIFIED TECHNICIANS

We service diesel trucks, trailers, reefers, heavy equipment, and fleet vehicles of all types.

Our Services

Our Mobile Diesel & Equipment Repair Services in Woodbridge, NJ

We deliver the same full-service diesel repair you’d expect at a top-tier shop but fully mobile. Here’s what we offer:

Heavy Equipment Repair

From excavators and skid steers to backhoes, loaders, and forklifts, we repair heavy equipment on-site across Woodbridge. No hauling. No downtime. Just real-time repairs near your jobsite including areas like Fords, Port Reading, and Avenel.

Mobile Truck Repair

Broken down on Route 440, Woodbridge Center Drive, or stuck in a warehouse lot off Green Street? We’ll fix your semi truck or reefer trailer where it sits. Services include: Air leaks Electrical repair AC repair Brake & suspension issues

Roadside Assistance

24/7 roadside diesel mechanic response across Woodbridge. Whether it’s a midnight turbo failure or a mid-day hydraulic line rupture, our truck rolls to you anywhere from Iselin to Hopelawn.

Line Boring

Precision on-site line boring for worn pivots and bores in heavy equipment. We serve contractors near Green Street Park, industrial yards, and municipal sites across town.

Welding & Fabrication

Custom welding and metal fabrication for cracked buckets, trailer frames, and loader arms all done on-site. Perfect for job sites in the Woodbridge Industrial Park or near Smith Street.

Hydraulic Hose Repair

We replace blown hydraulic hoses on-site using quality fittings and crimping. Serving everything from dump trucks to forklifts across Woodbridge.

Diagnostics & Electrical Repair

Got a check engine light or performance drop? We use advanced diagnostic tools to scan and pinpoint engine issues fast ideal for fleets, dump trucks, and generators working along Amboy Avenue or Rahway Ave.

PM Service (Preventative Maintenance)

Offering preventative maintenance for diesel fleets in Keasbey, Colonia, and Woodbridge proper. We keep your trucks DOT-compliant and road-ready.

Fleet Maintenance

Keep your fleet moving with proactive maintenance that comes to your yard, jobsite, or terminal. KS Diesel provides mobile fleet PM service for contractors, haulers, and municipalities across Woodbridge.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Woodbridge, NJ

Breakdowns don’t wait and neither do we.

Our 24/7 emergency diesel mechanics cover every corner of Woodbridge. Whether your semi breaks down on Route 35, your excavator fails near Ernston Road, or a trailer malfunctions at Keasbey Yard, we respond fast.

We Handle All Emergency Situations

No waiting for the shop. We bring the shop to you.

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 Woodbridge, NJ

We support the backbone of the local economy:

Construction companies building near Rahway Ave & Amboy Ave
Trucking fleets operating from Keasbey and the Turnpike corridor
Excavation contractors along Route 9 projects
Municipal fleets serving Woodbridge public works and utilities
Rental equipment firms with machinery on short-term jobsites

We understand diesel-driven industries and we’re proud to serve them all across Woodbridge.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Woodbridge, NJ

We serve all neighborhoods within Woodbridge, including:

From residential zones to industrial districts, we’ve got you covered.

Mobile Diesel Repair in Woodbridge Township, NJ

Request a Free Estimate

KS Diesel On-Site Repair is ready 24/7 to keep your trucks, trailers, and heavy equipment on the road and job-ready. No shop visit. No wasted time. Just expert service where you need it anywhere in Woodbridge Township.