MARINE PROPULSION SYSTEMS
REPAIR & OVERHAUL

SERVICES

30% Cost Reduction
with Technology,
Maintaining
Reliability until the
next Overhaul
Timely Deployment
Manpower
(Access to Multiple
PRs & CDC)
Comprehensive
Support On-site,
Off-site, Remote,
including
Riding Squad
12-Month
Workmanship
Warranty
Access to technical
documents related
to clearance and
other calibration
Detailed
Work Completion
Report

Introduction

With a rich portfolio spanning three decades, Neptunus has established itself as a leading provider of marine propulsion services. Our expertise extends to repairing and overhauling various types of machinery, including propulsion systems, making us a trusted partner for chief engineers and technical managers.

The marine propulsion system is a critical component responsible for generating the thrust necessary to propel a vessel through water. It comprises various elements, including the propeller,bow thruster, propulsion control, and stern tube seals.

With an extensive range of expertise, our company is an independent service provider in repairing ship propulsion systems from leading manufacturers such as Berg (Independent), Kamome (Independent), Kawasaki (Independent), Niigata (Including Their Z-Peller System) (Oem), Nakashima (Independent), Rolls Royce (Independent), Schottel (Independent), And Wartsila (Independent).

Our 27+ skilled technicians are well-versed in servicing and maintaining advanced propulsion systems, ensuring optimal performance and reliability for various maritime vessels. We can provide support as needed. Whether it’s routine maintenance, troubleshooting, or comprehensive overhauls, we have the knowledge and resources to keep your vessel’s propulsion system operating at its best, minimizing downtime and maximizing efficiency

With extensive experience in both domestic and international services, we specialize in propulsion system repair and overhauls, conducted on-site. In India, we operate across major ports such as Mumbai, Cochin, Goa, Kolkata, Chennai, Visakhapatnam, and Haldia. Internationally, our services extend to South Asia, the Middle East, Europe, Africa, and beyond.

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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

Marine Propulsion Systems Repair & Overhaul Services at Neptunus

1. Thruster Repair Services

Thruster Repair services (Bow, Stern, and Azimuth) are provided by Neptunus to ensure optimal thrust generation and maneuverability. Our skilled technicians employ advanced techniques and state-of-the-art equipment to diagnose and rectify issues affecting all types of thruster performance.

2. Propeller Repair Services

Our expertise extends to fixed-pitch Propeller Repairs, where we assess and address any damage or wear to the propeller blades, hub, and other components.
Neptunus provides specialized services for controllable-pitch propellers. Our technicians are well-versed in the complexities of CPP systems, ensuring precise adjustments and repairs for seamless operation.

3. Propulsion Control Repair Services

We understand the intricate nature of propulsion control systems and their crucial role in governing vessel movement. Our team of experts is adept at diagnosing and resolving issues related to propulsion control.

4. Stern Tube Seal Repair Services

Stern tube seals play a vital role in preventing water ingress and lubricant loss, which can lead to costly repairs and downtime. At Neptunus, we offer stern tube seal repair services, ensuring the integrity of these critical components and prolonging the operational lifespan of your propulsion system.

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Challenges in Marine Propulsion System Repair & Overhaul

Marine propulsion systems are intricate, combining mechanical, electrical, and fluid power components. Diagnosing and repairing issues requires a deep understanding of how these elements interact.
Marine machinery operates in harsh conditions like saltwater, extreme temperatures, and vibrations. This accelerates wear and tear, requiring specialized knowledge and techniques for repairs.
Ships operate on tight schedules. Downtime for repairs translates to lost revenue. Minimizing repair time requires efficient planning, coordination, and readily available spare parts.
Sourcing replacement parts for marine propulsion systems, especially for older or less common models, can be challenging, causing delays in repairs.
Effective repair and overhaul require a skilled workforce with expertise in marine propulsion systems. This can be difficult to find in remote locations.

Beyond Repair & Overhaul for Your Propulsion System

Our Asset Reliability Management services are built on forging long-lasting partnerships with our clients, moving beyond short-term engagements to provide bespoke, long-term solutions. We work closely with clients to align with their goals, driving operational efficiency improvements. Our expertise lies in overcoming maintenance challenges with reliable, cost-effective, and sustainable strategies, all while utilizing the latest technological advancements.

Our proprietary solutions, such as TorqueSense, the Torque and Power Measurement System, and the Shaft Power Limiter (ShaPoLi), empower customers in the following ways:
If your company aims to achieve similar milestones, schedule a “Discovery Call” with our experts to learn how we can assist you.

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Propulsion System Brands For Which We Provide Repair & Overhaul Services

In addition to propulsion system services, we also offer Diesel Engine Repair & Overhaul Services for various leading brands, including CAT, Niigata, EMD, Yanmar, MAN, Wärtsilä, and MTU. Our expertise ensures reliable maintenance, extended equipment life, and optimal performance. We cater to a wide range of engine repair needs, delivering high-quality and cost-effective solutions.

FAQs

Yes, marine propulsion systems can be repaired. At Neptunus, we specialize in repairing various types of propulsion systems, ensuring they return to optimal performance. Our services cover everything from minor repairs , inspections, troubleshooting and complete overhauls, minimizing vessel downtime.
Propulsion system failures can be caused by several factors, including wear and tear, poor maintenance, water ingress, overheating, misalignment of components, or damage to key parts such as the propeller or stern tube seals.
Signs of a failing propulsion system include unusual noises, vibrations, reduced thrust, difficulty in maneuvering, or visible damage to components like the propeller. Regular maintenance checks can also reveal potential issues before they lead to failure.
Preventive measures include regular maintenance, timely repairs, proper lubrication, and monitoring key components such as the propeller, thruster, and stern tube seals. Neptunus offers comprehensive maintenance services to help prevent system damage and ensure long-term reliability.
The turnaround time for propulsion system repairs varies depending on the extent of the damage and the type of repair required. Neptunus strives to complete repairs as quickly as possible while ensuring the highest quality of work. We provide detailed timelines upon assessment.
We service a wide range of propulsion systems, including those from leading manufacturers such as Berg, Kamome, Kawasaki, Niigata (Including the Z-Peller System), Nakashima, Rolls Royce, Schottel, and Wärtsilä.
Quality is ensured through our team of 27+ skilled technicians, state-of-the-art equipment, and adherence to industry best practices. We also offer warranties on our services, giving you confidence in the reliability and longevity of our repairs.
The overhaul process involves a thorough inspection of all components, disassembly, cleaning, and replacement of worn or damaged parts. This is followed by reassembly, testing, and fine-tuning to ensure optimal performance.
The cost of a propulsion system overhaul depends on the system’s size, complexity, and condition. We provide a detailed quotation after assessing the specific needs of your system.
We service critical components such as propellers (Fixed-Pitch and Controllable-Pitch), thrusters (Bow, Stern, and Azimuth), propulsion control systems, and stern tube seals, ensuring your system operates efficiently and reliably.

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