KS Diesel On-Site Repair is a 24/7 mobile diesel and heavy equipment repair company serving Somerset, Middlesex, Hunterdon, Morris, Mercer, and Monmouth counties. We repair semi trucks, trailers, reefers, excavators, skid steers, loaders, backhoes, forklifts, and construction equipment directly at your job site or roadside. Our fully equipped service trucks handle diesel engine repair, hydraulics, electrical issues, welding, line boring, PM service, and emergency breakdowns. Founded in 2018, we are trusted by contractors, fleets, and commercial businesses for fast, honest, and reliable on-site repair backed by a 1-year warranty. td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}