Mobile Diesel & Heavy Equipment Repair in East Amwell, NJ

Looking for a mobile diesel mechanic near you in East Amwell, NJ? At KS Diesel On-Site Repair, we bring 24/7, same-day diesel repair, truck service, and heavy equipment repair directly to your site.

whether you’re stranded on Route 202, working a job near Harbourton Ridge, or managing a fleet near Ringoes.

About Us

WHY CHOOSE KS DIESEL IN East Amwell, NJ?

KS Diesel brings 24/7 on-site truck and equipment repair to East Amwell. No shop. No towing. Just fast, expert service at your location.

100% ON-SITE REPAIRS

All work is done at your location. No shop delays or towing needed

24/7 EMERGENCY SERVICE

Available nights, weekends and holidays. We respond fast any time you call

1-YEAR WORKMANSHIP WARRANTY

All workmanship guaranteed, We stand behind every repair

DIESEL EQUIPMENT EXPERTS

We fix trucks, trailers, reefers and heavy equipment, From engines to hydraulics and electrical

ASE-CERTIFIED TECHNICIANS

Skilled, experienced, ASE-certified diesel mechanics handle every repair, guaranteed.

Our Services

Our Mobile Diesel & Equipment Repair Services in East Amwell, NJ

We handle full-scale repairs for diesel engines, trucks, trailers, construction equipment, and more, directly at your site in East Amwell. No shop. No waiting. Just fast, professional service where and when you need it.

Heavy Equipment Repair

Broken excavator, skid steer, or backhoe? Our mobile team comes to your job site in East Amwell to handle hydraulics, welding, diagnostics, and powertrain repair. We keep construction sites moving.

Mobile Truck Repair

From semi-trucks to box trucks, we repair engines, air brakes, electrical, AC systems, and more, right on the roadside or your yard. Serving owner-operators and fleet trucks off Route 202, Rocktown Rd, and beyond.

Roadside Assistance

Truck or equipment down on Back Brook Rd or Linvale-Harbourton Rd? We offer 24/7 emergency roadside repairs for diesel engines, trailers, and reefers. We'll get to you fast, fix it on the spot, and get you moving again.

Line Boring

Worn bores in your heavy equipment? We offer on-site line boring to restore pins, bushings, and sleeves, minimizing downtime for contractors in East Amwell.

Welding & Fabrication

Need structural welding or custom fab? Our trucks are equipped for MIG, TIG, and stick welding on-site. Perfect for frames, loader arms, buckets, and more.

Hydraulic Hose Repair

Blown hydraulic line on your jobsite in East Amwell? We cut, crimp, and install custom hydraulic hoses on the spot, keeping your excavators and lifts working.

Diagnostics & Electrical Repair

Check engine light? Our diesel diagnostics tools read codes and troubleshoot electrical, DPF, DEF, fuel, and transmission issues for all makes and models.

PM Service (Preventative Maintenance)

We offer preventive maintenance right at your lot , oil changes, filters, fluid checks, to keep your equipment and trucks DOT-ready.

Fleet Maintenance

Managing multiple units? We offer scheduled mobile fleet service for local businesses, contractors, and municipal fleets in East Amwell.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in East Amwell, NJ

Breakdown on a rural site near Rileyville Rd or hauling a load through Ringoes? Our fully equipped mobile units are on call 24/7 to handle emergencies like:

Air brake failures
No starts
Overheating
Hydraulic leaks
DEF system faults
Trailer electrical issues
Cooling or AC system problems

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 East Amwell, NJ

We work with a wide range of local operations, including:

Construction companies on residential and commercial jobsites
Trucking fleets hauling across Route 202 and into PA
Excavation contractors working in East Amwell’s rural terrain
Municipal fleets maintaining local infrastructure
Equipment rental companies across Hunterdon County

If it’s diesel-powered and working in East Amwell, we fix it.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in East Amwell, NJ

We provide on-site repair and mobile diesel service throughout all of East Amwell, including:

Ringoes
Wertsville
Harbourton Ridge
Harbourton Ridge
Rocktown Rd
Route 202 Corridor
Rileyville Rd
Mountain Rd
Boss Rd

We serve East Amwell and all neighborhoods within the township fast.

Mobile Diesel Repair in East Amwell Township, NJ

Request a Free Estimate

Don’t wait or tow — call KS Diesel On-Site Repair now at 908-723-9531. We’re on the road 24/7 offering emergency diesel repair, fleet service, and equipment repairs anywhere in East Amwell and surrounding Hunterdon County.