- 24/7 On-Site Truck, Trailer & Equipment Service North Plainfield, NJ
Mobile Diesel & Heavy Equipment Repair in North Plainfield, NJ
If you need a diesel mechanic in North Plainfield, NJ, we come to you 24/7. KS Diesel On-Site Repair handles breakdowns on Route 22, Watchung Avenue, and Greenbrook Road, serving contractors, fleets, and heavy equipment operators.
From semi truck air leaks to excavator no-starts and reefer failures, we fix it fast and on-site.
Why Choose KS Diesel in North Plainfield, NJ ?
We deliver expert-level mobile diesel repair, fully on-site, for North Plainfield’s contractors, fleets, and operators.
100% ON-SITE REPAIRS
All repairs are done at your location. No towing, no waiting, and no shop delays.
24/7 EMERGENCY RESPONSE
Breakdowns don’t wait. We’re available nights, weekends, and holidays.
1-YEAR WORKMANSHIP WARRANTY
Every repair is backed by a full 12-month workmanship guarantee.
WE FIX IT ON-SITE
No need to move your truck or equipment. We repair it right where it sits.
ASE-CERTIFIED TECHNICIANS
Repairs are performed by skilled, experienced, ASE-certified diesel mechanics, guaranteed.
Our Services
Our Mobile Diesel & Equipment Repair Services in North Plainfield, NJ
We provide full-service, on-site diesel and equipment repair in North Plainfield, tailored for construction crews, fleet managers, and contractors who can’t afford downtime.
Heavy Equipment Repair
We repair excavators, skid steers, backhoes, loaders, and more, directly on the job site. Whether you're working along Route 22 or at a local construction project off Greenbrook Road, our team comes equipped to handle everything from electrical issues to hydraulic failures.
Mobile Truck Repair
From semi trucks to box trucks, we repair all diesel makes and models where they sit. We fix electrical faults, starting issues, brakes, and AC problems on-site. Fast response for local operators and fleets.
Roadside Assistance
Stuck on Route 22, Rock Avenue, or near the Route 287 merge? We provide 24/7 roadside repair for diesel trucks, reefers, and trailers. From jump starts to air brake fixes, we’ll get you moving again.
Line Boring
We offer precision line boring services for worn-out bores on heavy equipment frames, arms, and joints. On-site machining saves time and avoids expensive replacements.
Welding & Fabrication
Broken brackets, cracked frames, or damaged trailers? Our mobile welding unit handles all types of repairs in the field. Structural, safety-critical, and custom fabrication jobs done on-site.
Hydraulic Hose Repair
Leaking or burst hydraulic lines can stall your excavator or loader. We cut and crimp custom hoses on-site to minimize downtime.
Diagnostics & Electrical Repair
We use advanced diagnostic tools to pinpoint engine problems, regen issues, and electrical faults. We read fault codes and get straight to the fix.
PM Service (Preventative Maintenance)
Keep your fleet running strong with our preventive maintenance program. Regular oil changes, filters, inspections, and service logs, done on-site, on your schedule.
Fleet Maintenance
We work with local contractors, delivery companies, and service providers to manage entire diesel fleets. You schedule it. We handle the rest.
24/7 Emergency Diesel Repair in North Plainfield, NJ
Breakdowns happen when you least expect them. If your truck won’t start, your hydraulic line blows at a job site, or your trailer brakes lock up, we’ll be there, fast. Our emergency service covers:
We Handle All Emergency Situations
- Air leaks
- No-start conditions
- Electrical faults
- Brake chamber failures
- Reefer malfunctions
- Overheating and coolant issues
We come prepared to get your machine running again on the spot. No shop. No wait. Just real repairs when you need them most.
TESTIMONIAL
Industries We Serve in North Plainfield, NJ
We proudly support local operations in:
- Construction crews and contractors
- Trucking fleets
- Excavation companies
- Municipal vehicle departments
- Heavy equipment rental companies
If your work relies on diesel trucks, trailers, or machines, we’re the local mobile team that keeps your fleet on the move.
Neighborhoods We Serve in North Plainfield, NJ
We serve all areas within North Plainfield, including:
- Watchung Heights
- Green Brook Estates
- Vermeule Park Area
- Rockview Gardens
- West End Avenue Area
- Johnston Drive Area
- Grove Street Sector
If you’re located anywhere within North Plainfield, we come directly to your location.
Request a Free Estimate
When downtime isn’t an option, call the local experts at KS Diesel On-Site Repair. offer full-service diesel mechanic and mobile truck repair services that get you moving again.