Mobile Diesel & Heavy Equipment Repair in High Bridge, NJ

Breakdown on Cregar Road or near Spruce Run? KS Diesel On-Site Repair delivers same-day mobile truck and heavy equipment repair across High Bridge, NJ.

From crews on Route 513 to landscapers along West Main Street, we keep your machines moving. Based minutes from town, we service all of Hunterdon County with fully equipped mobile units 24/7.

About Us

Why Choose KS Diesel in High Bridge, NJ ?

We deliver expert-level mobile diesel repair, fully on-site, for High Bridge’s contractors, fleets, and equipment operators. No shops, no towing, 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. 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 High Bridge, NJ

We service trucks, trailers, semi trucks, heavy machinery, and more all on-site, right in High Bridge.

Heavy Equipment Repair

From excavators and backhoes to skid steers and loaders we fix heavy equipment where it sits. Whether you're working a site near Nassau Road or stuck near Voorhees State Park, we’ll handle everything from engine diagnostics to welding repairs.

Mobile Truck Repair

We handle Class 6–8 truck repairs, box trucks, semi trucks, and vocational vehicles. On Route 31, Route 513, or stuck at a job site off Valley Road we come to you fast.

Roadside Assistance

Break down on Cregar Road, near Springside Farm, or by the South Branch of the Raritan River? We provide fast roadside diesel repair wherever you are.

Line Boring

Our mobile line boring unit allows us to rebuild worn pin and bore holes on-site. Perfect for excavators, loaders, and heavy construction equipment in High Bridge.

Welding & Fabrication

From cracked dump bodies to damaged bucket edges, we bring full welding and fabrication capabilities on-site.

Hydraulic Hose Repair

Blown hose on your skid steer or loader? We offer mobile hydraulic hose making and installation, right at your job site.

Diagnostics & Electrical Repair

Check engine light? Loss of power? We use advanced diagnostic tools to read codes, identify faults, and fix them fast.

PM Service (Preventative Maintenance)

We help construction firms and truck fleets stay compliant and avoid costly downtime with on-site PM service in High Bridge.

Fleet Maintenance

Got multiple trucks or machines operating in the High Bridge area? We offer fleet maintenance programs tailored to your schedule.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in High Bridge, NJ

We understand breakdowns don’t follow a 9-to-5 schedule. That’s why we offer emergency mobile diesel repair throughout High Bridge, NJ day or night. You call we roll. No tow trucks. No waiting. Common calls from High Bridge:

We Handle All Emergency Situations

Call Now for Emergency Diesel Repair Near High Bridge, NJ

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 High Bridge, NJ

High Bridge’s location along Route 513, close to construction zones, farmland, and small fleet hubs, makes it a high-demand area for fast, reliable mobile diesel repair. We proudly support:

We know High Bridge’s roads, yards, and job sites and we help keep your equipment running.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in High Bridge, NJ

We proudly serve all neighborhoods and areas within High Bridge, NJ, including:

We serve High Bridge and all nearby neighborhoods within High Bridge.

Mobile Diesel Repair in High Bridge, NJ

Request a Free Estimate

If you're dealing with a breakdown, hydraulic leak, or engine issue in High Bridge or nearby skip the tow truck. We come to you.