Mobile Diesel & Heavy Equipment Repair in Montgomery, NJ

When your diesel truck or heavy equipment breaks down in Montgomery, NJ, time means money. KS Diesel On-Site Repair delivers fast, professional, and 100% mobile diesel mechanic services anywhere in the area, from Route 206 to Skillman Road, Belle Mead, Griggstown Road, and surrounding job sites.

We handle everything on-site, including diesel engines, semi-trucks, trailers, heavy equipment, hydraulics, and welding repairs, so you can get back to work without towing or downtime.

About Us

WHY CHOOSE KS DIESEL IN Montgomery TOWNSHIP, NJ?

Why do contractors, fleet managers, and equipment operators across Montgomery, NJ trust KS Diesel?

Available 24/7

Breakdowns don’t wait. Neither do we. Emergency and same-day repair available around the clock.

No Towing Needed

We fix your truck or equipment where it sits. No delays. No added costs.

1-Year Workmanship Warranty

Every repair is backed by a one-year workmanship warranty for peace of mind.

Fully Equipped Mobile Units

We maintain and repair entire fleets across Montgomery to keep your operation running.

ASE-CERTIFIED TECHNICIANS

Skilled, experienced, ASE-certified diesel mechanics handle every repair, guaranteed.

Our Services

Our Mobile Diesel & Equipment Repair Services in Montgomery, NJ

We repair diesel engines, heavy equipment, trailers, and hydraulics on-location, wherever your breakdown happens.

Heavy Equipment Repair

We specialize in on-site heavy equipment repair throughout Montgomery. From excavators and loaders to skid steers, backhoes, and forklifts, our mobile mechanics handle hydraulic leaks, electrical issues, welding, and line boring right where your machines are working.

Mobile Truck Repair

Breakdowns happen when you least expect them. KS Diesel On-Site Repair provides mobile truck repair in Montgomery, NJ, covering semi-trucks, dump trucks, box trucks, and trailers.

Roadside Assistance

If you’re stuck on the roadside near Skillman, Belle Mead, or Harlingen, our mobile diesel mechanic near me in Montgomery service is always nearby. We handle jump starts, fuel delivery, tire service, and on-site diagnostics 24/7, perfect for local fleets, haulers, or independent truckers in the area.

Line Boring

Our on-site line boring service in Montgomery saves time and transport costs. We restore worn pin bores, hinges, and buckets on heavy equipment like excavators and loaders, bringing precision machining right to your job site.

Welding & Fabrication

From cracked frames to broken buckets, our mobile welding and fabrication services keep your equipment in working shape. We offer MIG, TIG, and stick welding for trucks, trailers, and heavy machinery anywhere in Somerset County, including Montgomery.

Hydraulic Hose Repair

Leaking hydraulic line? We provide on-site hydraulic hose replacement and crimping in Montgomery. Whether it’s on a skid steer, backhoe, or forklift, we carry fittings and hoses to match your setup.

Diagnostics & Electrical Repair

Using advanced computer diagnostics, we quickly find issues in diesel engines, DEF systems, electrical circuits, and sensors. We diagnose and fix problems on CAT, Cummins, Detroit, Volvo, Mack, and John Deere equipment, right on location in Montgomery Township.

PM Service (Preventative Maintenance)

Stay ahead of downtime with scheduled PM service for your trucks and heavy equipment. We perform oil changes, filters, inspections, and lubrication on-site, ideal for local fleets and contractors operating near Montgomery High School, Skillman Park, or the Route 206 corridor.

Fleet Maintenance

For trucking companies and construction fleets in Montgomery, we provide complete mobile fleet maintenance, from inspections and recordkeeping to repairs and service tracking. Keep every vehicle DOT-ready and minimize breakdowns with our custom fleet plans.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Montgomery, NJ

When breakdowns happen on Route 206, Belle Mead-Blawenburg Road, or job sites near Griggstown, you need help fast.

Our mobile diesel mechanics are available 24 hours a day to handle:

We respond fast, fix it right, and back every repair with a 1-year workmanship warranty.

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 Montgomery, NJ

Construction & Excavation Companies – On-site repairs for loaders, backhoes, and excavators.
Trucking Fleets – Full-service maintenance and emergency response for semi-trucks and trailers.
Municipal & Utility Fleets – Reliable repairs for public works vehicles and equipment.
Equipment Rental Companies – Fast turnaround to keep your rental fleet in service.
Agriculture & Landscaping – Repairs for tractors, mowers, and compact machines.

We proudly serve local businesses and contractors across Montgomery and surrounding Somerset County.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Montgomery, NJ

We serve all of Montgomery, NJ, including neighborhoods and local areas such as:

Belle Mead
Skillman
Harlingen
Blawenburg
Griggstown
Montgomery Hills
Hollow Road area
Cherry Valley
Montgomery Crossing

No matter where you’re located in Montgomery Township, KS Diesel On-Site Repair is your local mobile diesel mechanic near me, ready to help 24/7.

Mobile Diesel Repair in Montgomery, NJ

Request a Free Estimate

When your truck, trailer, or heavy equipment breaks down in Montgomery Township, NJ, you need fast, dependable service that comes to you.