With over 40 years of industry experience and a team of Cummins-trained engineers, JN Machineries offers specialized service and technical support tailored to diverse applications. Our expertise covers automotive, compressor rigs, compactors, construction machinery, gensets (railway, marine, and industrial), cranes, crawlers, dozers, dumpers, dredging pumps, fire pumps, excavators, motor graders, pavers, pipe layers, and reach stackers — ensuring reliable performance and maximum uptime for every operation.
JN Machineries provides immediate on-call service support for gensets not covered under warranty or AMC. Our expert service engineers ensure prompt response, accurate diagnostics, and dependable repair solutions to keep your operations running smoothly.
JN Machineries offers complete Operational Maintenance Contract services for engines and generators, ensuring smooth day-to-day operations. Our OMC includes spares, service, and skilled manpower tailored to meet customer-specific needs, ensuring uninterrupted performance and optimal equipment lifespan.
JN Machineries offers comprehensive Annual Maintenance Contracts covering scheduled maintenance of engines and alternators as per manufacturer recommendations. Depending on your requirement, our AMC services are available through 12, 6, or 4 visit slots per year. We also provide maintenance services for electrical LV panels, control panels, and AMF/Sync panels—ensuring consistent performance and minimized downtime.
JN Machineries provides professional troubleshooting and diagnostic services for both warranty and non-warranty equipment, including engines, generators, and engine controllers. Our Cummins-trained engineers utilize advanced tools like Insite and Inpower software to accurately identify faults, optimize performance, and ensure your systems run at peak efficiency.
JN Machineries offers the In-Frame Alternator 5-Year Kit to ensure long-term reliability and performance of your generator. Regular servicing prevents alternator failures caused by bearing wear and diode damage, which can lead to winding or core failure and costly downtime. The kit includes precision-engineered Rectifier Kit (RSK) components and bearings designed to meet specific operational demands such as speed, load, and temperature.