MARINE ENGINE
REPAIR & OVERHAUL

SERVICES

OEM-Trained Engineers
30% Faster
Turnaround Time
vs. OEM
Benchmark
30% Cost Reduction
with technology,
maintaining
reliability until the
next overhaul
Timely
Deployment
(Access to
Multiple
PRs & CDC)
Comprehensive
Support On-site,
Off-site, Remote,
including
Riding Squad
12-Month
Workmanship
Warranty
Access to Specialized
Tools such as Chris
Marine Cylinder Liner
Honing, Valve Seat
Machining Tool
Detailed
Work Completion
Report

Introduction

Neptunus Power stands as a renowned provider of comprehensive marine engine repair and overhaul services, catering to the complex needs of the maritime industry. With a team of highly skilled and experienced engineers, we specialize in delivering precise and efficient solutions for a wide array of leading marine engine brands.

With our team of 27+ highly skilled engineers, we specialize in maintenance services for all 4-stroke high-speed and medium-speed engines, along with propulsion systems. Our expertise extends to major overhauls, top overhauls, and a diverse range of main engine repair services, tailored to meet the unique challenges of the demanding marine environment. With over 2000 successful projects under our belt, we are supported by riding squads for efficient on-site assistance.

We offer comprehensive marine engine repair and overhaul services on a global scale, leveraging our extensive experience in catering to clients across South Asia, the Middle East, Europe, and Africa. Our expertise extends to prominent regions within India, including Mumbai, Cochin, Goa, Kolkata, Chennai, Visakhapatnam, and Haldia. With a proven track record of delivering high-quality services, we are committed to meeting the diverse needs of our clients worldwide.

With a focus on delivering tailored services, we offer specialized overhaul and repair solutions for marine engine brands, including Niigata (OEM Authorized), CAT (Independent Service Provider), EMD (OEM Authorized), Wartsila, Yanmar, MAN, MTU, Detroit, and Wuxi. Our expertise extends to engines, ensuring comprehensive coverage for all propulsion system components.

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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

Track Record of Job Completion on or Before Planned Timeline

Detailed Post-Service Tests and Sea-Trails to Ensure Quality

Challenges in Marine Engine Repair & Overhaul Services

Marine engines are intricate systems with numerous components, making overhauls and repairs challenging due to the intricate nature of the work required.
Effective troubleshooting plays a crucial role in marine and auxiliary engine repair and overhaul. It requires a deep understanding of both mechanical and electrical systems, along with advanced diagnostic expertise to identify and resolve issues efficiently.
Obtaining replacement parts for marine engines can be logistically challenging, particularly in remote marine environments.
Overcoming the challenges of marine engine overhauls and repairs requires strategic planning, technical expertise, and a commitment to ensuring efficient restoration.
The marine diesel engine overhauls also require specialized tools and equipment that may not be readily available on board or at certain locations, posing logistical challenges.
Vessels have strict schedules and deadlines, which can create time constraints for completing diesel engine repair services efficiently without causing significant delays.

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Steps in Marine Engine Repair & Overhaul

The main engine overhaul starts with our team’s initial assessment, allowing us to create a targeted plan addressing specific concerns and optimizing resources for an efficient process.
Following the initial ship engine assessment, our technicians systematically disassemble the entire unit for visual inspection, accurately pinpointing worn or damaged parts. Detailed documentation ensures streamlined reassembly later.
With the marine engine disassembled, our team cleans all parts, revealing hidden issues, gauging wear, detecting corrosion, and identifying potential damage not visible externally. This process helps prevent premature failures.
Post-inspection, we refurbish or replace worn engine components, restoring them to optimal condition. This enhances the marine main engine’s overall reliability and efficiency post-overhaul.
The engine is reassembled with precision, ensuring all parts fit and function correctly.
Operational and load testing under variable marine conditions allows our technicians to calibrate and fine-tune the overhauled marine engine to meet efficiency . The engine testing processes validate the intended engine performance post-overhaul.
Finally, quality control checks ensure the overhauled marine engine meets quality norms before delivery. This quality assurance process reaffirms our commitment to providing customers with a thoroughly renewed engine that matches expectations.

Marine Engine Brands For Which We Provide Repair & Overhaul Service

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