Mobile Diesel & Heavy Equipment Repair in Milltown, NJ

KS Diesel On-Site Repair delivers 24/7 mobile truck, trailer, and heavy equipment repair right to your job, yard, or roadside. No towing. No delays. We come to you with full diagnostics and fast solutions.

We serve Milltown’s contractors, haulers, and fleets from Main Street to Ryders Lane, Washington Avenue, and Route 1. Wherever you break down, we’ll be there.

About Us

Why Choose KS Diesel in Milltown, NJ ?

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

100% ON-SITE REPAIRS

All repairs are done right at your location no towing, no waiting, no Milltown traffic delays.

24/7 EMERGENCY SERVICE

Breakdowns in Milltown don’t wait. We respond nights, weekends, and holidays with rapid mobile dispatch.

1-YEAR WORKMANSHIP WARRANTY

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

TRUCKS, TRAILERS & EQUIPMENT

We service diesel trucks, reefers, trailers, heavy equipment, and fleet units across Milltown job sites.

ASE-CERTIFIED TECHNICIANS

All work is handled by skilled, certified diesel mechanics with experience on Milltown’s toughest machines.

Our Services

Our Mobile Diesel & Equipment Repair Services in Milltown, NJ

We bring the repair shop to your job site, fleet yard, or roadside location in Milltown fully equipped to handle:

Heavy Equipment Repair

We fix backhoes, loaders, skid steers, and excavators on Milltown job sites no towing needed. Equipment won’t start near Ryders Lane or Main Street? We’ll come out same-day and get you moving.

Mobile Truck Repair

Breakdown on Route 1 or in a Milltown industrial zone? We handle engine trouble, no-starts, electrical faults, fuel issues, and more right where your truck is parked.

Roadside Assistance

Truck or trailer shut down near Cranbury Road or Washington Avenue? We dispatch 24/7 for jump starts, brake air leaks, fuel problems, and urgent breakdowns.

Line Boring

Worn-out pin bores? Our mobile service in Milltown brings precision line boring to your site no hauling needed, no downtime wasted.

Welding & Fabrication

Need a cracked bracket welded or frame repaired near Milltown yard or lot? We offer mobile welding and custom fabrication, done on-site and built to last.

Hydraulic Hose Repair

From burst hoses on skid steers to leaking crane lines, we build and replace hydraulic hoses in Milltown fully mobile, day or night.

Diagnostics & Electrical Repair

Check engine light on? Fault codes flashing? We use pro-grade diagnostics for CAT, Cummins, Detroit, and more solving electrical issues on-site in Milltown.

PM Service (Preventative Maintenance)

We perform oil changes, inspections, filters, and DOT checks for Milltown fleets. Prevent breakdowns and keep your equipment running longer.

Fleet Maintenance

Managing multiple trucks or machines in Milltown? We handle ongoing inspections, repairs, PMs, and same-day breakdown calls for local fleets.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Milltown, NJ

We handle emergency diesel repair in Milltown, day or night. Common local scenarios:

We Handle All Emergency Situations

If your equipment is down, unsafe, or immobile call us.

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!!!!!!