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NIIGATA (OEM)
AUTHORIZED ENGINE
REPAIR & OVERHAUL
SERVICES

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OEM-Authorized*
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
Adherance to
OEM Standards
Detailed
Work Completion
Report
View Reports

Introduction

As an authorized service provider for Niigata for more than 15 years, we offer Niigata engine repair services to keep the engines running efficiently. Niigata Engines are trusted by maritime professionals worldwide for efficient vessel operation and ensuring safety at sea. To maintain this reliability, timely repair, overhaul, and inspections prevent unexpected breakdowns, ensuring uninterrupted operations and adherence to schedules.

Our team of 27+ highly skilled marine experts is dedicated to providing comprehensive support for the whole process of overhauls, fault diagnosis, commissioning, and alignments, whether it’s offshore or onshore. Additionally, we offer repair services at our workshop in Mumbai.

With extensive expertise in Diesel Engine Overhaul Services, we cater to both domestic and international clients, delivering solutions either at our advanced workshop or directly on-site. Across India, we serve key ports such as Mumbai, Cochin, Goa, Kolkata, Chennai, Visakhapatnam, and Haldia. Internationally, our reach spans South Asia, the Middle East, Europe, Africa, and other global locations, ensuring reliable and efficient service wherever needed.

At Neptunus, our team of Niigata engine specialists combines in-depth knowledge with hands-on experience to deliver exceptional results on every repair and overhaul. Whether you’re facing an urgent repair or planning a routine overhaul, we are fully equipped to provide top-tier service that enhances the durability and performance of your Niigata engines.

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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

Challenges in Niigata Engine Repair & Overhaul Services

  • Specialized Tooling:
Certain repairs on Marine Engine Repair might require specific tools or diagnostic equipment created for these engines. Lack of access to these tools can extend overhaul times or force service centers to invest in additional equipment.
  • Varying Engine Models:
Niigata offers a range of engine models. Technicians may require additional training or experience for specific models, especially when dealing with less common variants.
  • Technical Complexity:
Niigata engines are technologically advanced machines. Troubleshooting problems and performing  main engine and Auxiliary Engine Repair Services can be complex and require specialized diagnostic tools.

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Niigata Engine Repair & Overhaul Service Expertise with Engine Models

   
8L28HLX 6MG28BX 6L28HX 6L25HX 16V32CLX 6PA5L
6MG28AHX 6L28BXE 6L25CX 16PA5V 6NSE-G 6MG25BX
6L28BX 6L22HLX 12V32CX 6NSD-M 6MG16X-A 6L28AHX
6L13A 12V32CLX 6NSC-M 6M26AGTE 6L26HX 18V28HLX
12MGV28BX 6MG31EZ 6L34HX 6L26HLX 16V34HLX
 

Niigata Z-Peller Repair & Overhaul Service Expertise with Engine Models

Responsive Table
ZP-31B ZP-31 ZP-31CL ZP-41 ZP-41A ZP-51CPCL
ZP-2A-1 ZP-41CL ZP-21CL ZP-21/2A ZP-21/3A ZP-21
ZP-41HG ZP-3A ZP-2A ZP-41CP

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Projects we have done

Quick Job Completion Lead to Savings of Potential LD Charges of ~$50,000 for a Supply Vessel

Industry Segment:
Marine
Customer:
Offshore support vessel owner in India
Equipment/Process:
Niigata Engines
Arm Solution:
Remote Maintenance Services
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Beyond Repair & Overhaul for Your Niigata Engine

At Neptunus, we believe in promoting long-term strategic alliances with our customers, prioritizing customized Asset Reliability Management Program over short-term assignments. By understanding their requirements, we identify our roles in achieving their larger goals of operational efficiency in a cost-effective, reliable, and sustainable manner. We overcome maintenance hurdles with the latest technology at our disposal.

Today, with our proprietary, dual-class (ABS and IRS) approved Marine Engine Monitoring System and our in-house comprehensive Oil Quality Management featuring real-time Oil Condition Monitoring, continuous Kidney Loop Filtration System, we have helped our customers to:
  • To detect the defects early to prevent unexpected failures.
  • Helps to know the current condition of engine parts like vibration dampers, mounts, piston rings, fuel pumps, injectors, valves, and cylinders.
  • Prolong spare part life by extending lube oil life.
  • Reduced manual inspections with continuous real-time monitoring.
  • Lower maintenance costs through timely interventions.
  • Environmental compliance through optimized resource usage and reduced waste.
If you aim to achieve similar objectives for your company, schedule a “Discovery Call” with our experts to explore how we can assist you.

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Related Engine Brands For Which We Provide Repair & Overhaul Service

In addition to its expertise in Niigata engine repairs, Neptunus Power is highly regarded for its outstanding Repair & Overhaul Services for EMD Engines, as well as various other leading engine brands. Discover the complete list of brands we service below:
CAT Engine
Repair & Overhaul
Services
Read More
Yanmar Engine
Repair & Overhaul
Services
Read More
Warstila Engine
Repair & Overhaul
Services
Read More
MAN Engine
Repair & Overhaul
Services
Read More
MTU Engine
Repair & Overhaul
Services
Read More
Bergen Engine
Repair & Overhaul
Services
Read More
Daihatsu Engine
Repair & Overhaul
Services
Read More

FAQs

Yes, Niigata engines can be repaired by our team of skilled marine engineers. We offer comprehensive repair services to restore engine performance and ensure reliability.
Engine failure can result from various factors, including poor maintenance, overheating, lubrication issues, or wear and tear of components. Regular maintenance helps in early detection and prevention of major issues.
Signs of a bad Niigata engine include unusual noises, reduced power output, excessive smoke, and difficulty starting. A thorough inspection by a professional can confirm the exact problem.
To prevent Niigata engine damage, regular preventive maintenance is essential. This includes routine inspections, timely oil changes, and ensuring proper cooling and lubrication. Additionally, you can install our ABS and IRS class-certified Engine Condition Monitoring System, which provides detailed insights into engine health months in advance, allowing for early detection of potential issues and preventing costly breakdowns.
The turnaround time for Niigata engine repairs varies depending on the extent of the damage, but we aim to complete most repairs within a few days to a few weeks.
We service a wide range of Niigata engines, including models like 8L28HLX, 6MG28BX, 6L25HX, 16V32CLX, 6PA5L, 6MG25BX, and many more.
We ensure quality through a team of highly skilled engineers, OEM-approved spare parts, and a rigorous inspection process. We also back our repairs with a 6-month warranty.
Our overhaul process includes disassembling the engine, inspecting and replacing worn-out parts, cleaning components, reassembling, and performing thorough testing to ensure optimal performance.

The cost of a Niigata engine overhaul depends on the engine model, the extent of repairs needed, and the location of service. For an accurate estimate, please contact us with specific engine details.

Click Here to get the best quote for your Niigata engine overhaul requirements.
General maintenance includes regular oil changes, inspection of cooling systems, fuel system checks, and routine replacement of worn parts. Following manufacturer guidelines ensures smooth operation.
The cost of a complete overhaul varies depending on engine size, location, and the scope of repairs. Contact us for a customized quote based on your engine model and requirements.

Yes, we provide OEM spare parts for Niigata engines, ensuring reliable performance. We supply these parts to locations across India, Sri Lanka, Bangladesh, and more.

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Neptunus Power Plant Services Pvt. Ltd.

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Neptunus Main Office

A 554/555, TTC Industrial Area,
MIDC Mahape, Navi Mumbai,
Maharashtra 400710, India.

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