EMD (OEM) Authorized
Diesel Engine

75,000 EMD®
Engines in
75+ countries
Two-cycle,
Medium-speed
Technology
Modular, Simple
Design for Easy
Maintenance
Continuous
Engineering
Advancements
Built for
Harsh Marine
Conditions

EMD (Electro-Motive Diesel) is a globally recognized leader in the design and manufacturing of medium-speed, two-stroke diesel engines, renowned for their durability, efficiency, and robust performance. The EMD engines, such as the 567, 645, and 710 series, are created for their simple yet highly effective design, which has evolved over decades to meet the increasing demands for higher horsepower, fuel efficiency, and emissions control.

EMD engines operate on a two-stroke cycle, which distinguishes them from conventional four-stroke engines by delivering power in every revolution of the crankshaft. This design provides a high power-to-weight ratio, making EMD diesel engines ideal for heavy-duty applications. The EMD marine engines are built with rugged components such as forged crankshafts, welded crankcases, and replaceable cylinder liners, ensuring long service life even under extreme operating conditions.

Over the years, EMD has continuously refined its engine technology, incorporating advancements like electronic unit injectors (EUI) and microprocessor-based controls (EMDEC) to enhance fuel economy, emissions compliance, and operational flexibility. Today, EMD engines are trusted in mission-critical applications worldwide, from marine vessels to industrial power plants and drilling rigs, underscoring their versatility and engineering excellence.

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Why choose Neptunus?

3 Decades of
Service Excellence
Engine & Propulsion
End-to-End Solutions
2500+ Sucessfull Projects
Delivered Worldwide
Trusted by 100+
Satisfied Customers
Dedicated Experts to
Address Emergencies

Applications of EMD Engines

EMD engines are widely used across various industries due to their high power output, reliability, and adaptability. Designed and built to meet marine and stationary electric power contract requirements, EMD marine engines are a preferred choice for commercial ships, naval vessels, and offshore support applications, thanks to their robust performance and fuel efficiency. Additionally, EMD generators play a crucial role in power generation, providing reliable backup and prime power for industrial facilities, hospitals, and remote installations. With their proven durability and advanced engineering, EMD engines continue to be a trusted solution for mission-critical operations worldwide.

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EMD Diesel Engine Models

EMD diesel engines are globally recognized for their robust two-stroke design, offering exceptional power density and long-term reliability in demanding environments. These engines have been the backbone of heavy-duty industries for decades, particularly in marine propulsion and stationary power generation applications. The EMD engine family includes the 567, 645, and 710 series, each representing evolutionary milestones in diesel engine technology. Known for their simple yet rugged construction, EMD engines continue to be favored for their durability, fuel efficiency, and ease of maintenance across various industrial sectors.

EMD Engine Offering by Neptunus

Neptunus, an OEM-authorized EMD service provider and spare parts distributor, brings over three decades of service expertise, with 15+ years dedicated to delivering comprehensive EMD engine solutions. We specialize in EMD engine overhaul and repair services, ensuring minimal downtime with swift turnaround times. Additionally, we supply genuine EMD engine spare parts, recognizing that the authenticity of components is crucial for engine reliability, efficiency, and longevity. Our commitment to quality and precision ensures optimal performance and sustainability for your EMD engines.

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