Mobile Diesel & Heavy Equipment Repair in Milford, NJ

Looking for a diesel mechanic near Milford, NJ who comes to you? KS Diesel On-Site Repair delivers fast, reliable mobile diesel repair anywhere in Milford 24/7.

From breakdowns on Route 519 to heavy equipment issues near the Delaware River, we bring the shop to your site. Whether it’s construction on Route 29 or hauling through Upper Bucks Road, we keep Milford’s trucks and equipment running no towing needed.

About Us

Why Choose KS Diesel in Milford, NJ ?

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

100% ON-SITE REPAIRS

All repairs are done at your location. No towing, no waiting, no downtime.

24/7 EMERGENCY SERVICE

Breakdowns don’t wait. We respond fast, nights, weekends, and holidays.

1-YEAR WORKMANSHIP WARRANTY

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

TRUCKS, TRAILERS & EQUIPMENT

We service diesel trucks, reefers, trailers, heavy equipment, and full fleet vehicles.

ASE-CERTIFIED TECHNICIANS

Repairs are performed by skilled, certified diesel mechanics with years of real-world experience.

Our Services

Our Mobile Diesel & Equipment Repair Services in Milford, NJ

We don’t just fix one part we fix the problem wherever it happens. Our on-site repair trucks are fully stocked to get your job back on track. Here’s what we offer throughout Milford and surrounding roads:

Heavy Equipment Repair

We handle field repairs on excavators, skid steers, loaders, backhoes, and forklifts. Whether it's a failed cylinder, electrical issue, or broken hydraulic line, we’ll fix it on-site fast.

Mobile Truck Repair

Breakdown on Route 519 or Water Street? We provide on-site semi truck and trailer repair across the area. From air leaks and brake issues to electrical repair, we get you rolling again.

Roadside Assistance

Stuck with a dead truck, busted radiator, or engine trouble? We offer 24/7 roadside diesel repair in Milford. We’ll diagnose and fix most problems right on the shoulder.

Line Boring

Precision field machining and on-site line boring services for damaged bores on backhoes, loaders, and more. We restore tolerance without hauling equipment off-site.

Welding & Fabrication

Need mobile welding or structural repair? We perform field fabrication and steel repairs on buckets, frames, steps, and support arms.

Hydraulic Hose Repair

We custom-build high-pressure hydraulic hoses on-site. Cracked, blown, or leaking line? We cut and crimp new hoses right where the machine failed.

Diagnostics & Electrical Repair

We bring advanced diagnostics to your equipment. From check engine lights to electrical shorts, we track the root cause and repair it without delay.

PM Service (Preventative Maintenance)

Keep your fleet and equipment running longer with scheduled mobile PM service. We do oil changes, filter swaps, grease service, and inspections on location.

Fleet Maintenance

We partner with local businesses for ongoing fleet service. Whether you run 3 or 30 trucks, we keep them DOT-compliant and road-ready.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Milford, NJ

Breakdowns don’t wait and neither do we. Whether your semi truck dies on Route 519 or your excavator won’t start on Mount Pleasant Road, we’ll be there.

We Handle All Emergency Situations

We respond quickly, work efficiently, and get you back to business without waiting for a tow truck.

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 Milford, NJ

We support the backbone of Milford’s workforce on the road and in the dirt.

Construction Companies – Repair support for job sites across Hunterdon County
Trucking Fleets – Keep trailers and semis on the move with mobile truck repair
Excavation Crews – We service loaders, excavators, and backhoes right on the site
Municipal Fleets – Snowplows, utility trucks, dump bodies we do it all
Equipment Rentals – On-call repair for customer breakdowns or rental yard units

If it runs on diesel, we repair it. Anywhere in Milford.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Milford, NJ

We serve all of Milford and the neighborhoods within and around town, including:

If you’re near Milford, we’re already nearby.

Mobile Diesel Repair in Milford, NJ

Request a Free Estimate

Stop wasting time with shops that need you to bring it in. KS Diesel On-Site Repair comes to you in Milford, NJ fast, professional, and fully equipped.