Marine engine repair services are at the core of Neptunus Power’s expertise. As a trusted name in the maritime industry, we provide comprehensive solutions tailored to meet the demanding requirements of marine vessels. Backed by a team of 27+ highly skilled and experienced engineers, Neptunus specializes in delivering accurate, timely, and cost-effective repair and overhaul services for a wide range of leading marine engine brands.
We offer maintenance services for all 4-stroke high-speed and medium-speed diesel marine engines, with specialization in major overhauls, top overhauls, main engine repair, and main engine unit overhauls. We also offer 24/7 emergency breakdown support to minimize vessel downtime, with rapid mobilization teams available for both docked and sailing vessels. Our services cover both propulsion and auxiliary engines across offshore support vessels, cargo ships, oil rigs, dredgers, tugs, and other commercial fleets—ensuring comprehensive support for all critical shipboard systems.
With over 2000 successful marine diesel engine repair projects completed globally, our dedicated riding squads are equipped to provide efficient on-site assistance. We serve customers across South Asia, the Middle East, Europe, and Africa, with strong regional operations in India, including Mumbai, Cochin, Goa, Kolkata, Chennai, Visakhapatnam, and Haldia.
Whether you’re looking for marine diesel repair near you or need trusted partners for a full ship engine overhaul, Neptunus delivers dependable results. We are proficient in servicing engines from leading brands such as Niigata (OEM Authorized), CAT (Independent Service Provider), EMD (OEM Authorized), Wartsila (Independent Service Provider), Yanmar(Independent Service Provider), MAN(Independent Service Provider), MTU(Independent Service Provider), and Detroit(Independent Service Provider), offering tailored overhaul and repair solutions for each engines.
All marine diesel engine overhauls and repairs are conducted using advanced diagnostic tools and OEM-compliant procedures, with detailed service documentation to ensure quality, performance, and long-term reliability. From main engine overhaul to marine engine services, we are committed to keeping your vessel operational.
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