Mobile Diesel & Heavy Equipment Repair in Kingwood, NJ

Looking for a mobile diesel mechanic near me in Kingwood, NJ? KS Diesel On-Site Repair delivers fast, expert diesel and truck repair right at your location 24/7.

From farms off Route 12 to breakdowns along Route 519, local contractors and fleet operators rely on our fully equipped service trucks to get back up and running fast and on-site.

About Us

Why Choose KS Diesel in Kingwood, NJ ?

We deliver expert-level mobile diesel repair, fully on-site, for Kingwood’s contractors, farmers, and fleet operators. No shops, 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, and no shop delays.

24/7 EMERGENCY SERVICE

Breakdowns happen anytime. We’re ready nights, weekends, and holidays with fast mobile 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 semi trucks, trailers, reefers, skid steers, and construction equipment of all types.

ASE-CERTIFIED TECHNICIANS

Repairs are handled by skilled, experienced, ASE-certified diesel mechanics, guaranteed.

Our Services

Our Mobile Diesel & Equipment Repair Services in Kingwood, NJ

We provide full-service, on-site diesel mechanic work throughout Kingwood and surrounding areas. Whether you’re parked at a site off Route 519 or down near Oak Summit, we’re just a call away.

Heavy Equipment Repair

We repair backhoes, loaders, excavators, skid steers, and more right on your site in Kingwood. From hydraulic failures to no-starts, we’ll get your machine running the same day.

Mobile Truck Repair

Breakdown on Route 519 or near Oak Summit? We come to you with full tools and parts. Engine issues, electrical faults, air leaks fixed on-site, fast.

Roadside Assistance

Stuck roadside in Kingwood? We respond 24/7 to no-starts, fuel delivery, brake lockups, frozen air lines, and battery issues.

Line Boring

We provide precise mobile line boring for loaders, buckets, and boom pins right at your location in Kingwood. No hauling. No delays.

Welding & Fabrication

Cracked frame or damaged brackets? Our mobile welders fix it fast MIG, TIG, or stick at your job site or yard in Kingwood.

Hydraulic Hose Repair

From blown hoses on excavators to leaking lines on cranes, we custom-build and install new hydraulic hoses at your site even after hours.

Diagnostics & Electrical Repair

Using advanced tools, we diagnose issues on Cummins, CAT, International, and more. From fault codes to power loss, we’ll find it and fix it.

PM Service (Preventative Maintenance)

Stay ahead of breakdowns with on-site oil changes, filter replacements, and DOT-compliant inspections in Kingwood for single trucks or full fleets.

Fleet Maintenance

We keep Kingwood’s fleets running strong with routine service, emergency repairs, and mobile inspections. No downtime. No towing. Just results.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Kingwood, NJ

Breakdowns don’t wait and neither do we. Our team is on standby 24/7 for emergency diesel repair in Kingwood.

We Handle All Emergency Situations

We’ll be there fast. Night or day. Rain or shine.

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 Kingwood, NJ

We serve the people who build, move, dig, and drive Kingwood forward.

Construction crews working near Route 12 and Oak Grove
Trucking fleets running local and regional hauls
Excavation companies digging foundations and septic systems
Municipal departments operating snowplows, loaders, and service trucks
Equipment rental businesses with aging fleets in the area

We understand the gear you use and the pressure you’re under.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Kingwood, NJ

We serve Kingwood and all nearby neighborhoods, including:

Wherever your truck or equipment breaks down we’ll get there.

Mobile Diesel Repair in Kingwood Township, NJ

Request a Free Estimate

KS Diesel On-Site Repair is your first call for mobile diesel mechanic services in Kingwood Township, NJ. We serve all of Hunterdon County with fast, expert, guaranteed repair work.