Mobile Diesel & Heavy Equipment Repair in Lambertville, NJ

Looking for a mobile diesel mechanic in Lambertville, NJ? KS Diesel On-Site Repair brings fast, certified repair service right to your job site whether you’re stuck on Route 29, near Swan Street, or working off York Street.

Lambertville relies on diesel equipment every day. From contractors on Goat Hill to trucks running Route 179, we keep your machines running with expert on-site repairs.

About Us

Why Choose KS Diesel in Lambertville, NJ ?

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

We come directly to your job site, roadside, farm, or yard in Lambertville with fully-equipped mobile service trucks. Whether you’re stuck on Route 29, working near Goat Hill, or managing a fleet off Swan Creek Road, we deliver fast on-site diesel repair with no towing, no delays, and no shop visits needed.

Heavy Equipment Repair

We fix loaders, excavators, skid steers, backhoes, and forklifts at your job site in Lambertville. From hydraulic leaks to electrical issues, we get machines running again fast.

Mobile Truck Repair

Breakdowns on Route 29 or near Bridge Street? We come to you. We handle no starts, air leaks, electrical problems, and more on-site in Lambertville.

Roadside Assistance

If your semi truck or reefer trailer breaks down near Swan Street or Route 202, we respond 24/7. Fast help for fuel issues, air brakes, battery failures, and more.

Line Boring

We perform precision line boring on worn bores for excavators, dozers, and loaders in Lambertville. Save time and cost by avoiding machine transport.

Welding & Fabrication

Cracked trailer frames, bucket damage, or custom brackets? Our mobile welders fix it on-site anywhere in Lambertville, with full fabrication tools ready.

Hydraulic Hose Repair

From burst hoses on skid steers to leaks on cranes, we build and install new hydraulic hoses on location in Lambertville even after hours.

Diagnostics & Electrical Repair

We use advanced tools for CAT, Cummins, Detroit, and more. Whether it’s a code on a semi or wiring issue on a loader, we fix it on the spot.

PM Service (Preventative Maintenance)

Stay on schedule with mobile PMs in Lambertville. We handle oil changes, filter swaps, inspections, and DOT checks for trucks and heavy equipment.

Fleet Maintenance

Own a fleet in Lambertville? We keep trucks, trailers, and heavy equipment running with scheduled service, inspections, and emergency repair response.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Lambertville, NJ

Breakdowns happen at the worst time. We are ready to respond day or night, whether your trailer is stranded on Route 202 or your excavator is down on a job site near Music Mountain.

We Handle All Emergency Situations

We fix it on-site with no towing, no delays, and no shop wait times.

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 Lambertville, NJ

Lambertville’s mix of rural land, active construction, and municipal work zones makes it a high-demand area for fast, on-site diesel repair. We proudly support:

We know Lambertville’s job sites, roads, and machines. We keep your equipment moving and your team on schedule.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Lambertville, NJ

We proudly serve all neighborhoods and surrounding areas in and around Lambertville, NJ, including:

No matter where your breakdown happens in Lambertville, we come to you, fast and fully equipped.

Mobile Diesel Repair in Lambertville, NJ

Request a Free Estimate

KS Diesel On-Site Repair is the first call for contractors, truckers, and equipment owners in Lambertville. Our service is mobile, fast, and guaranteed to get you back to work.