Mobile Diesel & Heavy Equipment Repair in Franklin, NJ

Franklin is a busy center for construction, trucking, and excavation in Somerset County. With key roads like Route 287, Route 27, and Hamilton Street, downtime means lost time.

KS Diesel On-Site Repair brings certified mobile diesel mechanics right to your site, fast repairs for trucks, trailers, and heavy equipment wherever you break down.

About Us

WHY CHOOSE KS DIESEL IN Franklin, NJ?

We provide fast, on-site diesel repair in Franklin no towing, no delays, just certified service where you need it.

100% ON-SITE REPAIRS

All work is done at your job site, roadside, or fleet yard in Franklin. No towing. No shop delays.

1-YEAR WARRANTY

Every repair is backed by a 1-year workmanship guarantee.

FULLY EQUIPPED SERVICE TRUCKS

Our mobile units carry diagnostics tools, welding gear, hydraulic fittings, and more.

DIESEL & EQUIPMENT SPECIALISTS

We service diesel trucks, trailers, semis, and heavy equipment of all sizes.

ASE-CERTIFIED TECHNICIANS

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

Our Services

Our Mobile Diesel & Equipment Repair Services in Franklin, NJ

Every repair is performed on-site using professional-grade tools, diagnostics, and parts; no need for towing, no waiting in line at a shop.

Heavy Equipment Repair

We fix excavators, backhoes, skid steers, loaders, and dozers on-site in Franklin. No towing. No delays. Just fast, job-ready repairs where you work.

Mobile Truck Repair

We service diesel trucks, box trucks, semi trucks, trailers, and reefers at your location. From air leaks to engine issues, we get you back on the road quickly.

Roadside Assistance

Break down on Route 27 or I-287? Our mobile diesel mechanic comes to you. We’re available 24/7 for trucks and equipment stuck anywhere in Franklin Township.

Line Boring

We offer on-site line boring for worn pinholes and bores. Perfect for loaders and excavators working in construction and excavation around Franklin.

Welding & Fabrication

We provide mobile welding for broken frames, cracked buckets, and attachment repairs. Done right on the job site with no transport required.

Hydraulic Hose Repair

Hose burst on-site? We replace or repair hydraulic hoses fast, so your machine stays productive. Available across Franklin’s farms, fleets, and job sites.

Diagnostics & Electrical Repair

We use advanced mobile diagnostics to pinpoint fuel, electrical, and emissions issues. From DPF warnings to no-start problems, we solve it on-site.

PM Service (Preventative Maintenance)

We perform regular oil changes, filter swaps, and DOT checks without moving your truck or machine. Ideal for fleets and heavy equipment in Franklin.

Fleet Maintenance

Keep your whole fleet running strong. We offer mobile service plans for truck yards, utility fleets, and local operators needing reliable uptime.

Breakdowns happen anytime, and we respond anytime

24/7 Emergency Diesel Repair in Franklin, NJ

We’ve helped crews on DeMott Lane at 2 AM and rescued semis off Route 287 on weekends. Whether you’re dealing with:

Call KS Diesel On-Site Repair, we’re on the road and ready to help, anywhere in Franklin, NJ.

What Our Customers Say

TESTIMONIAL

Industries We Serve in Franklin, NJ

We work with commercial and municipal clients across Franklin, including:

If your team relies on diesel-powered machines or vehicles, we keep your operation moving.

Gallery

Our Recent Works

Mobile Diesel Repair Near you

Neighborhoods We Serve in Franklin, NJ

We serve all neighborhoods within Franklin, including:

Franklin Park
East Millstone
Kingston
Griggstown
Middlebush
Clyde
Society Hill
Zarephath

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

Mobile Diesel Repair in Franklin, NJ

Request a Free Estimate

KS Diesel On-Site Repair brings dealer-quality service straight to your job site, farm, fleet yard, or roadside emergency in Franklin Township.