- 24/7 On-Site Truck, Trailer & Equipment Service Warren, NJ
Mobile Diesel & Heavy Equipment Repair in Warren, NJ
Need a mobile diesel mechanic near Warren? KS Diesel On-Site Repair provides 24/7 expert truck and heavy equipment repairs right at your job site or roadside.
From breakdowns on Mount Bethel Road to diagnostics off King George Road, we serve the entire with fast, on-site service.
WHY CHOOSE KS DIESEL IN Warren, NJ?
We bring the shop to you, no towing, no delays. Just expert diesel repair, right where you are.
100% ON-SITE REPAIRS
All repairs are done at your job site, roadside, or fleet yard, no shop delays or towing required.
24/7 EMERGENCY SERVICE
Breakdowns don’t wait. We’re ready day or night.
1-YEAR WORKMANSHIP WARRANTY
We stand behind every repair with a full year of guaranteed quality.
TRUCKS, TRAILERS & EQUIPMENT
From loaders to reefers to semis — we fix it all, mobile and on-site.
ASE-CERTIFIED TECHNICIANS
Skilled, experienced, ASE-certified diesel mechanics handle every repair, guaranteed.
Our Services
Our Mobile Diesel & Equipment Repair Services in Warren, NJ
At KS Diesel, we handle everything from emergency roadside repairs to scheduled fleet maintenance, all on-site in Warren.
Heavy Equipment Repair
We repair excavators, skid steers, backhoes, loaders, and forklifts right at your job site. From hydraulic leaks to fuel issues, we keep your earth-moving equipment running in Warren’s construction zones.
Mobile Truck Repair
Whether your semi truck won’t start near Washington Valley Road or your trailer has air brake issues on I-78, we’ll fix it on the spot. We service reefers, trailers, box trucks, and more.
Roadside Assistance
Breakdowns don’t wait. Neither do we. From battery issues to fuel system failures, we’ll respond anywhere in Warren—fast.
Line Boring
We provide precision line boring for worn bores in loaders, backhoes, and more. All work is done mobile, saving Warren contractors time and towing costs.
Welding & Fabrication
Need on-site welding? We fabricate and repair buckets, frames, trailers, and more in Warren job sites and yards.
Hydraulic Hose Repair
Blown hydraulic line? We make custom hydraulic hoses on-site. Serving equipment operators across Warren Township’s construction and industrial sectors.
Diagnostics & Electrical Repair
We use OEM-level tools for accurate diesel diagnostics on trucks and equipment. Quick, clear answers to your check engine light or electrical fault.
PM Service (Preventative Maintenance)
Keep your fleet running in top shape. We offer oil changes, inspections, and full PM service for Warren trucking fleets and contractors.
Fleet Maintenance
Downtime costs money. We offer scheduled fleet service for Warren-based trucking companies and municipal fleets.
24/7 Emergency Diesel Repair in Warren, NJ
Your truck won’t wait. Neither do we.
We respond fast, whether you’re broken down on Interstate 78, near Mount Horeb Road, or behind schedule on a construction site near Stirling Road. We fix:
- No-start conditions
- Air leaks
- Fuel system problems
- AC failure
- Electrical shorts
- Trailer lighting & brake issues
- Heavy equipment breakdowns
- Forklift repair & hydraulic leaks
TESTIMONIAL
Industries We Serve in Warren, NJ
We work directly with:
- Construction Contractors – On-site equipment repairs for active sites
- Trucking Fleets – Mobile truck service for Warren-based operators
- Excavation Companies – Full repair of loaders, dozers, and more
- Municipal Fleets – Reliable service for public works vehicles
- Rental Equipment Companies – Fast turnaround for rented assets
We understand the demands of Warren’s industries, and deliver repair solutions that keep your work moving.
Neighborhoods We Serve in Warren, NJ
We serve all of Warren Township and its neighborhoods, including:
- Mount Bethel
- Washington Valley
- King George Road
- Mount Horeb
- Reinman Road area
- Stirling Road
- Warrenville
- Morning Glory Circle
- Dock Watch Hollow
If you’re in Warren, we can get to you fast.
Request a Free Estimate
If you're dealing with a breakdown, leak, or engine issue in Warren Township or nearby, skip the towing, we come to you.