Mobile Diesel & Heavy Equipment Repair in Tewksbury, NJ

When your truck, trailer, or heavy equipment breaks down in Tewksbury, KS Diesel On-Site Repair comes to you fast. From semi-trucks to skid steers, we handle it all, right on-site, 24/7.

We know Tewksbury. Whether you’re on a farm near Fairmount, broken down on Route 78, or at a job site off County Route 517, our mobile diesel mechanics are nearby and ready to respond.

About Us

Why Choose KS Diesel in Tewksbury, NJ ?

We deliver expert mobile diesel repair, fully on-site, for Tewksbury’s contractors, fleets, farmers, and equipment operators. No towing. No delays. Just fast, certified repairs where you need them anywhere in town.

100% ON-SITE REPAIRS

All repairs are done at your location no shop delays, no waiting, and no towing.

24/7 EMERGENCY SERVICE

Breakdowns on Route 78 or County Road 517? We respond fast day or night.

1-YEAR WORKMANSHIP WARRANTY

Every repair is backed by our full 1-year guarantee welding, hydraulics, diagnostics, and more.

TRUCKS, TRAILERS & EQUIPMENT

We repair diesels of all sizes semi trucks, reefers, excavators, skid steers, and fleet vehicles.

ASE-CERTIFIED TECHNICIANS

All work is performed by skilled, certified diesel mechanics with real heavy-duty experience.

Our Services

Our Mobile Diesel & Equipment Repair Services in Tewksbury, NJ

We don’t just fix trucks we fix downtime. Below is what we offer, tailored for the job sites and roads of Tewksbury, NJ:

Heavy Equipment Repair

Your excavators, skid steers, loaders, and backhoes don’t have time for breakdowns. We come directly to your site whether it’s on Rockaway Road or a farm near Hollow Brook. From electrical issues to engine problems, we handle it all.

Mobile Truck Repair

From Class 8 semis to box trucks, our diesel techs get you back on the road fast. Whether you're hauling through Route 517 or stopped at a loading dock near Mountainville, we’re there.

Roadside Assistance

Broke down on Route 78? Need help near Homestead Road? Call us anytime. We respond fast no tow needed.

Line Boring

Worn-out bores on-site? We bring our portable line boring equipment to your equipment yard or job site in Tewksbury. No disassembly or towing required.

Welding & Fabrication

Frame cracked? Bucket torn? We offer mobile welding services throughout Tewksbury from mild steel to aluminum. Custom fab included.

Hydraulic Hose Repair

Blown hose near Pottersville? We carry custom hose kits and fittings. On-site hydraulic hose repairs done right, fast.

Diagnostics & Electrical Repair

Check engine light on? Truck derating on 517? We carry advanced diagnostic tools to pinpoint electrical and mechanical issues on the spot.

PM Service (Preventative Maintenance)

Keep your machines running strong with scheduled Preventive Maintenance. We come to your yard or job site in Tewksbury on your time.

Fleet Maintenance

Got multiple trucks or machines? We offer scheduled fleet service tailored to Tewksbury-based businesses, including municipal and rental fleets.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Tewksbury, NJ

Tewksbury doesn’t sleep and neither do we. Whether your semi loses power at midnight on Route 78 or your skid steer fails at a construction site near Bissell Road we’re there, fast.

We Handle All Emergency Situations

We fix it all, no towing, no shop delays, no hassle.

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 Tewksbury, NJ

We proudly support the backbone industries of Tewksbury. If it runs on diesel, we keep it running.

Construction Sites (road work, foundation crews)
Trucking Fleets (local delivery, regional hauling)
Excavation Companies (land clearing, site prep)
Municipal Fleets (public works, utility vehicles)
Equipment Rental Companies (forklifts, loaders)

We know Tewksbury’s farms, roads, and job sites so when breakdowns happen, we’re already nearby.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Tewksbury, NJ

We proudly serve all neighborhoods and rural zones across Tewksbury, NJ, including:

No matter where your equipment breaks down in Tewksbury, we come to you, fully equipped and fast.

Mobile Diesel Repair in Tewksbury Township, NJ

Request a Free Estimate

If you're dealing with a breakdown, leak, or electrical issue in Tewksbury Township or nearby, don’t waste time or money on towing we come to you.