Yanmar Engine Repair and Overhaul Services

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We are an independent Yanmar engine repair services provider dedicated to elevating the reliability of your engines through our expert repair and overhaul solutions. Our dedicated team consists of more than 27 marine experts who specialize in Yanmar engines. Their expertise spans various services, including repair, planned overhauls, troubleshooting, and inspections, ensuring that your engine operates at peak performance.

When you choose Neptunus, you are partnering with a Yanmar diesel engine repair provider committed to revolutionizing maintenance practices within the industry. We distinguish ourselves by not only reducing costs but also by increasing the reliability of your Yanmar engines. Our turnaround time is 30% faster than the standard overhaul duration, ensuring minimal downtime for your operations.

Our Yanmar repair and overhaul services are truly global, transcending geographic boundaries to provide expert support wherever it’s needed. With decades of experience, we deliver comprehensive solutions at major maritime hubs across India, South Asia, the Middle East, Europe, and Africa. This strategic network ensures that our customers, no matter where they are, can easily access the reliable expertise they require for efficient and timely propeller services.

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Challenges in Yanmar Engine Repair and Overhaul

  • Technical Expertise to Assess Scope: Accurately evaluating the extent of repairs required and determining the appropriate scope of work demands technical expertise.
  • Adherence to OEM Guidelines: Strict adherence to Yanmar’s engine service guidelines is crucial for preserving engine warranties and ensuring optimal performance.
  • Lack of Skilled Manpower: Finding experienced technicians with specialized knowledge in Yanmar diesel engine repair can be a significant challenge.
  • Availability of Genuine Spare Parts: Ensuring the availability of genuine Yanmar spare parts can be problematic, leading to suboptimal performance or compatibility issues.

Why Choose Us for Yanmar Engine Repair and Overhaul Services?

Years of Experience

WWith over 3 decades of service experience Read more

Shortest Turnaround Time

We make sure to get your Yanmar engine Read more

Remote and On-Site Support

Apart from providing on-site Yanmar diesel Read more

Genuine and Optimized Spare Parts List

To maintain the longevity and peak Read more

Utilization of Advanced Technology

We make use of the latest techniques Read more

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Industries we serve

Oil Land Rigs

Oil and Gas

  • Offshore Rigs
  • Land Rigs
  • Processing Platforms
  • Drilling Platforms

Oil and Gas

Ports and Dockyards

Marine

  • Tug Boats
  • Offshore Supply Vessels
  • Ports and Dockyards
  • Sea-Going Vessel

Marine

Industrial Power Plants

Industrial

  • Power Plants
  • Steel & Cement Processing
  • Automotive & Glass Manufacturing
  • Fertilizers & Refineries
  • Data Centres

Industrial

Beyond Repair and Overhaul for Your Yanmar Engine

At Neptunus, our asset reliability solution is all about building lasting partnerships with our clients, focusing on long-term strategies rather than just short projects. Our aim is to provide tailored solutions that align with your goals of efficient operations in a sustainable and cost-effective way. We understand the challenges you face with maintenance, which is why we leverage the latest technology to overcome these hurdles.

Our in house, proprietary solution include diesel engine monitoring system system and our in-house comprehensive Oil quality management solution featuring real-time oil condition monitoring , continuous kidney loop filtration system , and all these technologies help our customers in the following ways:

  • To detect the defects early to prevent unexpected failures.
  • Helps to know current condition of engine parts like  vibration damper, mount , piston rings, fuel pump, injectors, valves and cylinders
  • Prolong spare part life by extending lube oil life.
  • Reduced manual inspections with continuous realtime monitoring.
  • Lower maintenance costs through timely interventions.
  • Environmental compliance through optimized resource usage and reduced waste.

If you’re interested in achieving similar success for your business, schedule a “discovery call” with our experts to explore how we can assist you.

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In addition to our Yanmar engine services, we are an independent service provider for MAN diesel repair services and for caterpillar diesel engines repair , offering a comprehensive suite of solutions for the marine and oil & gas industry. Our machines repair and overhaul services for cover a broad range, including marine engine repair , propulsion system repairs, and genset repair. With our expert team, we guarantee top-notch service and reliability for all your machinery needs, from engines to propulsion systems and beyond.

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Other Engine Maintenance and Repair Services

FAQ

Yes, Yanmar engines can be repaired by us. As an independent Yanmar repair and overhaul service provider with three decades of experience and over 27 skilled engineers, we offer comprehensive repair services for all types of Yanmar engines.

Common causes of Yanmar engine failure include:

  • Lack of proper maintenance
  • Fuel system issues
  • Overheating
  • Lubrication problems
  • Wear and tear of components
  • Contamination in fuel or oil

Signs of a problematic Yanmar engine include:

  • Unusual noises or vibrations
  • Decreased performance or power output
  • Excessive smoke from the exhaust
  • Increased fuel consumption
  • Oil leaks or low oil pressure
  • Engine overheating

To prevent Yanmar engine damage, perform regular preventive maintenance, Conduct routine inspections, change oil and filters as recommended, and ensure proper cooling and lubrication. Also, you can install our ABS and IRS class-certified Engine Condition Monitoring System for early detection of potential issues in your Yanmar engine. 

Turnaround time varies depending on the extent of repairs needed. We strive to complete most repairs as quickly as possible, typically within a few days to a couple of weeks. For complex overhauls, it may take longer. We’ll provide a more accurate timeline after initial inspection.

We service all types of Yanmar engines, including:

Yanmar Marine engines

Yanmar Industrial engines

Yanmar Generator engines

The Yanmar engine overhaul process typically involves:

  • Complete disassembly
  • Inspection of all components
  • Cleaning and reconditioning of salvageable parts
  • Replacement of worn or damaged components
  • Reassembly with new gaskets and seals
  • Testing and adjusting to ensure optimal performance


The cost of an overhaul varies depending on the engine model, extent of wear, and required parts. We provide detailed quotes after initial inspection. Factors affecting cost include engine size, age, and condition. Click here, to get in quick quote for your yanmar engine overhaul.

 

A properly performed overhaul can significantly extend an engine’s life, often adding several thousand operating hours. The exact duration depends on usage patterns and maintenance practices.

 

General maintenance includes:

  • Regular oil and filter changes
  • Fuel system checks and cleaning
  • Cooling system maintenance
  • Belt inspections and adjustments
  • Valve clearance checks
  • Regular inspections for wear and leaks