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Marine Auxiliary Engine Market By Fuel (Diesel, Gas); By Power (Up to 350 HP, 350 to 650 HP, 650 to 1000 HP); By Application (Commercial Boats, Fishing Boats, Recreation Boats, Security Boats); By Region – Growth, Share, Opportunities & Competitive Analysis, 2024 – 2032

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Published: | Report ID: 40403 | Report Format : PDF
Historical Period  2019-2022
Base Year  2023
Forecast Period  2024-2032
Marine Auxiliary Engine Market Size 2023  USD 3,385.91 Million
Marine Auxiliary Engine Market, CAGR  5.48%
Marine Auxiliary Engine Market Size 2032  USD 5,188.43 Million

Market Overview

The Marine Auxiliary Engine market is projected to grow from USD 3,385.91 million in 2024 to USD 5,188.43 million by 2032, at a CAGR of 5.48%.

The Marine Auxiliary Engine market is driven by increasing global trade activities, which necessitate enhanced maritime transport efficiency and capacity. As shipping companies invest in new vessels equipped with more reliable and efficient engines, the demand for marine auxiliary engines is on the rise. Additionally, stringent environmental regulations are pushing the industry towards adopting cleaner and more energy-efficient technologies. The trend towards automation in engine operations and maintenance is also contributing to market growth, improving operational efficiency and reducing the need for manual intervention, further stimulating the adoption of advanced marine auxiliary engines.

The Marine Auxiliary Engine market features a strong global presence with key players strategically dispersed across various regions. Wabtec Corporation and Cummins Inc. are significant contributors in North America, known for their innovative engine solutions. In Europe, Rolls-Royce Plc and MAN Energy Solutions lead the market with advanced maritime technologies. Asia-Pacific is home to giants like Yanmar Holdings Co., Hyundai Heavy Industries Co., and Mitsubishi Chemical Corporation, which capitalize on the region’s expansive shipbuilding industry. Caterpillar Inc. and Deere & Company further augment the market’s geographical diversity, with strong operational bases and extensive distribution networks worldwide, driving global growth and technological adoption in the marine auxiliary engines sector.

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Market Drivers

Growth in Global Maritime Trade

The international maritime industry is a pivotal component of global trade, responsible for transporting a substantial portion of the world’s goods. For instance, the global maritime trade has seen a 3.2% increase in 2021, with shipments reaching 11.0 billion tons. This growth is driving the demand for larger and more efficient vessels, with the global merchant fleet’s capacity expanding by 43% between 2013 and 2021. Consequently, the need for marine auxiliary engines has surged to ensure these vessels can handle the increased trade volumes. As global commerce continues to grow, there is an increasing demand for larger and more efficient vessels, which in turn drives the need for more powerful and reliable marine auxiliary engines. These engines are essential for ensuring that new vessels can meet the demands of increased trade volumes and enhanced operational efficiency.

Expansion of Shipbuilding Industry

Shipbuilding activities, especially in Asia, are on the rise, directly influencing the demand for marine auxiliary engines. In Asia, shipbuilding activities have soared, with China alone receiving 49% of all shipbuilding orders in 2021. This expansion is directly influencing the demand for marine auxiliary engines, which are essential for the 86% of ships manufactured in Asia. These engines play a crucial role in various shipboard functions, including power generation, cargo handling, and navigation. As the shipbuilding industry expands, the need for robust and efficient auxiliary engines intensifies, ensuring that new ships are equipped with the best technology to support maritime operations.

Focus on Environmental Sustainability

Environmental considerations are becoming increasingly significant in the maritime industry, driven by stricter regulations from bodies like the International Maritime Organization (IMO). The focus on environmental sustainability is also shaping the industry, with shipping accounting for almost 11% of all transport-related CO2 emissions. These regulations compel the industry to adopt cleaner technologies, boosting the demand for auxiliary engines that can operate with reduced emissions and utilize cleaner-burning fuels such as LNG. This shift not only helps in complying with environmental standards but also positions the maritime industry as a more sustainable sector.

Technological Advancements and Rising Demand for Specialized Engines

Technological innovations in the field of marine auxiliary engines are contributing to significant improvements in fuel efficiency, emission reductions, reliability, and maintenance ease. These advancements make auxiliary engines more appealing to shipbuilders and operators, enhancing their marketability. Simultaneously, the diversification of the maritime industry, such as the increasing popularity of offshore wind farms, is creating a demand for specialized auxiliary engines. These engines are tailored for specific applications like crew transfer vessels and service operation vessels, further expanding the market scope and application of marine auxiliary engines.

Market Trends

Shift Towards Cleaner Fuels and Hybrid Systems:

Environmental concerns and tightening regulations are propelling a shift towards marine auxiliary engines that utilize cleaner burning fuels such as Liquefied Natural Gas (LNG). LNG engines significantly reduce sulfur oxides (SOx) and nitrogen oxides (NOx) emissions, aligning with global efforts to minimize marine pollution. For instance, the shift towards cleaner fuels like Liquefied Natural Gas (LNG) has led to a 20% reduction in SOx and NOx emissions from marine auxiliary engines. The adoption of hybrid and electric auxiliary engine systems has increased by 30% in the past year, optimizing power generation and reducing fuel consumption by up to 15% during harbor maneuvers. Concurrently, the marine industry is witnessing an increase in the adoption of hybrid and electric auxiliary engine systems. These innovative systems combine traditional diesel engines with electric motors and battery packs, optimizing power generation, reducing fuel consumption, and lowering emissions, especially critical while maneuvering in harbors or when docked.

Technological Integration and Comprehensive Lifecycle Management:

The digital transformation within the maritime sector extends to auxiliary engines, where there is a growing trend towards integrating these engines with digital and remote monitoring systems. In terms of technological integration, there has been a 25% increase in the use of digital and remote monitoring systems in marine auxiliary engines. These systems have improved operational efficiency by 10% and reduced engine downtime by 5%. With fuel costs rising, the focus on fuel efficiency has led to a 20% increase in the development of advanced design and combustion optimization technologies. Such technologies enable real-time tracking of engine performance, fuel usage, and maintenance requirements, facilitating preemptive maintenance strategies, enhancing operational efficiencies, and minimizing downtime. Additionally, with rising fuel costs, there is a heightened focus on fuel efficiency and optimization. Engine manufacturers are investing in advanced design, combustion optimization, and waste heat recovery systems, alongside developing management systems that adjust engine operations based on real-time conditions. Furthermore, the industry is placing a stronger emphasis on the total lifecycle management of auxiliary engines, considering not just the initial purchase costs but also long-term operational expenses such as fuel consumption, maintenance needs, and the availability of spare parts. Manufacturers are responding to these market demands by offering comprehensive lifecycle support packages and designing engines that are easier to service and have extended lifespans, ensuring long-term reliability and cost-effectiveness.

Market Challenges Analysis

High Initial Investment and Stringent Emission Regulations:

Marine auxiliary engines that utilize cleaner burning fuels or incorporate advanced technologies such as hybrid systems often require substantial upfront investment, posing significant financial challenges, particularly for operators in cost-sensitive segments of the maritime industry. This high initial cost can deter some shipbuilders and operators from adopting these advanced technologies. Additionally, the maritime industry faces the ongoing challenge of complying with stringent environmental regulations set by international bodies like the International Maritime Organization (IMO). These regulations necessitate substantial investment in research and development to produce cleaner engine technologies. Manufacturers must find a delicate balance between adhering to these stringent regulations and ensuring that the engines remain commercially viable for shipbuilders and operators.

Operational Challenges and Market Competition:

The transition to cleaner fuels like LNG is not merely a matter of engine choice; it also depends heavily on the availability of these fuels. Many regions lack the necessary bunkering infrastructure for LNG, which can significantly hinder the adoption of LNG-powered engines, especially on routes without well-developed LNG supply networks. Furthermore, the introduction of newer technologies such as hybrid and electric auxiliary engines brings additional operational challenges. These include the need for specialized crew training, maintenance procedures, and seamless integration with existing onboard systems to ensure efficient operation. Additionally, the marine auxiliary engine market is characterized by strong competition from well-established players who possess extensive experience and broad customer bases. New entrants or companies focused on innovative technologies often struggle to gain a foothold in the market, facing challenges in breaking through the dominance of these established manufacturers.

Market Segmentation Analysis:

By Fuel:

The Marine Auxiliary Engine market is primarily segmented by the type of fuel used, which includes Diesel and Gas. Diesel engines have traditionally dominated this segment due to their reliability and widespread availability. However, gas engines are gaining traction as they offer significant environmental benefits such as lower emissions of sulfur oxides and nitrogen oxides compared to diesel. This shift is largely driven by the increasing stringency of global emissions standards and the maritime industry’s growing commitment to reducing its environmental footprint. The transition towards gas engines is further supported by the development of global infrastructure for LNG, which is enhancing the accessibility of gas as a marine fuel.

By Power:

In terms of power, the Marine Auxiliary Engine market is categorized into three segments: Up to 350 HP, 350 to 650 HP, and 650 to 1000 HP. The segment up to 350 HP is commonly used in smaller vessels and pleasure crafts, where less power is required. Engines ranging from 350 to 650 HP are popular in medium-sized vessels and are valued for their balance of power and efficiency. The 650 to 1000 HP engines are typically utilized in larger vessels that require significant power for extensive maritime operations. This segmentation highlights the diverse applications of marine auxiliary engines, tailored to various vessel sizes and power needs, ensuring efficiency and performance across the spectrum of maritime activities.


Based on Fuel

  • Diesel
  • Gas

Based on Power

  • Up to 350 HP
  • 350 to 650 HP
  • 650 to 1000 HP

Based on Application

  • Commercial Boats
  • Fishing Boats
  • Recreation Boats
  • Security Boats

Based on the Geography

  • North America
    • The U.S.
    • Canada
    • Mexico
  • Europe
    • Germany
    • France
    • UK.
    • Italy
    • Spain
    • Rest of Europe
  • Asia Pacific
    • China
    • Japan
    • India
    • South Korea
    • South-east Asia
    • Rest of Asia Pacific
  • Latin America
    • Brazil
    • Argentina
    • Rest of Latin America
  • Middle East & Africa
    • GCC Countries
    • South Africa
    • The Rest of the Middle East and Africa

Regional Analysis

Asia-Pacific accounts for the largest market share, estimated at around 38%, driven by the region’s thriving shipbuilding industry and increasing maritime trade activities. Countries like China, South Korea, and Japan are major contributors to the region’s dominance in this market. The region’s focus on modernizing its maritime fleet and adherence to stringent emission regulations have catalyzed the demand for efficient and environmentally friendly marine auxiliary engines.

Europe holds a significant market share of approximately 27%, owing to the presence of renowned engine manufacturers and a well-established maritime infrastructure. Countries such as Germany, Norway, and the Netherlands are at the forefront of technological advancements in the marine auxiliary engine market. The region’s emphasis on reducing emissions and promoting sustainable maritime practices has driven the adoption of advanced engine technologies, including hybrid and alternative fuel solutions.

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Key Player Analysis

  • Wabtec Corporation
  • Rolls-Royce Plc
  • Yanmar Holdings Co.
  • Man Energy Solutions
  • Cummins Inc.
  • Caterpillar Inc.
  • Deere & Company
  • Hyundai Heavy Industries Co.
  • Mitsubishi Chemical Corporation
  • Kirloskar Oil Engines Ltd.

Competitive Analysis

The Marine Auxiliary Engine market is highly competitive, with leading players like Wabtec Corporation, Rolls-Royce Plc, and MAN Energy Solutions driving innovation and setting industry standards. These companies leverage advanced technology and extensive R&D to offer engines that meet stringent environmental regulations and operational efficiency. For instance, Rolls-Royce is renowned for its cutting-edge technology in gas and diesel engines, focusing on reducing emissions and increasing fuel efficiency. Similarly, Cummins Inc. and Caterpillar Inc. compete by providing reliable and durable engines tailored for a variety of maritime applications, ensuring they meet the specific needs of global shipping and leisure crafts. Additionally, Asian manufacturers like Yanmar Holdings Co. and Hyundai Heavy Industries emphasize cost-effectiveness and accessibility, enhancing their attractiveness in emerging markets. These dynamics foster a vigorous competitive environment where continuous technological advancements and strategic global outreach are crucial for maintaining and expanding market presence.

Recent Developments

  • In February 2024, Caterpillar and Solstad Offshore ASA (Solstad) and Cat® dealer Pon Power AS comes into partnership where Caterpillar Marine is committed to helping vessel owners increase fuel efficiency and reduce GHG emissions and offer pathways to support these operational and sustainability targets by providing a range of solutions for alternative fuels and powertrain integration.
  • In December 2023, MAN Energy Solutions has announced an agreement with Alfa Laval, the Swedish industrial concern, to develop a methanol fuel-supply solution for MAN four-stroke engines and its fuel-injection technology. As a result, the first four-stroke engine types will be capable of retrofit to methanol operation from 2025.
  • In 2023, Perkins, has introduced two new auxiliary engines, the Perkins E44 and E70B, designed for use in inland waterways, tugs, governmental, fishing, and ferry services. The E44 is an electronic 4.4-liter, 4-cylinder engine, while the E70B is an evolved version, offering a wide range of power ratings and configurable solutions to meet diverse auxiliary power needs in the maritime sector. With a focus on durability and high engine uptime, these electronic engines feature a 500-hour service interval and low maintenance attributes, including a self-priming fuel system and automatic valve lash adjustment.

 Market Concentration & Characteristics

The Marine Auxiliary Engine market exhibits a moderate to high level of market concentration, with several prominent global players commanding significant market shares. Companies like Rolls-Royce Plc, MAN Energy Solutions, and Caterpillar Inc. are key figures, renowned for their technological leadership and extensive product portfolios. These industry leaders are strategically positioned across major maritime hubs, enabling them to capitalize on both established and emerging market opportunities. The market is characterized by its technological innovation, driven by stringent environmental regulations that demand cleaner and more efficient engine solutions. As a result, competition revolves around technological advancements, reliability, and compliance with global emissions standards. Additionally, the market is influenced by the integration of digital solutions like remote monitoring and predictive maintenance technologies, which enhance operational efficiency and engine lifespan. This competitive environment pushes companies to continuously innovate and adapt to the evolving demands of the maritime industry.

Report Coverage

The research report offers an in-depth analysis based on Fuel, Power, Application and Geography. It details leading market players, providing an overview of their business, product offerings, investments, revenue streams, and key applications. Additionally, the report includes insights into the competitive environment, SWOT analysis, current market trends, as well as the primary drivers and constraints. Furthermore, it discusses various factors that have driven market expansion in recent years. The report also explores market dynamics, regulatory scenarios, and technological advancements that are shaping the industry. It assesses the impact of external factors and global economic changes on market growth. Lastly, it provides strategic recommendations for new entrants and established companies to navigate the complexities of the market.

Future Outlook

  1. Regulatory pressures for lower emissions will drive advancements in cleaner, more efficient engine technologies.
  2. Increased adoption of LNG and other alternative fuels will reshape the market landscape.
  3. Hybrid and electric marine auxiliary engines will gain traction as part of the industry’s move towards electrification.
  4. Technological innovations in engine design and materials will enhance performance and reduce operational costs.
  5. The expansion of global trade and maritime logistics will continue to fuel demand for new vessels and engines.
  6. Asia-Pacific will remain a key growth region due to its robust shipbuilding industry and expanding maritime activities.
  7. Digitalization and smart technologies will become standard in engine monitoring and maintenance practices.
  8. Market players will focus on lifecycle management services to differentiate themselves and add value to their offerings.
  9. Strategic alliances and acquisitions will become more common as companies seek to enhance their technological capabilities and market reach.
  10. Environmental sustainability will be a critical focus, influencing new developments in engine production and operation.

1. Introduction
1.1 Report Description
1.2 Purpose of the Report
1.3 USP & Key Offerings
1.4 Key Benefits for Stakeholders
1.5 Target Audience
1.6 Report Scope
1.7 Regional Scope
2. Scope and Methodology
2.1 Objectives of the Study
2.2 Stakeholders
2.3 Data Sources
2.3.1 Primary Sources
2.3.2 Secondary Sources
2.4 Market Estimation
2.4.1 Bottom-Up Approach
2.4.2 Top-Down Approach
2.5 Forecasting Methodology
3. Executive Summary
4. Introduction
4.1 Overview
4.2 Key Industry Trends
5. Marine Auxiliary Engine Market
5.1 Market Overview
5.2 Market Performance
5.3 Impact of COVID-19
5.4 Market Forecast
6. Market Breakup by Fuel
6.1 Diesel
6.1.1 Market Trends
6.1.2 Market Forecast
6.1.3 Revenue Share
6.1.4 Revenue Growth Opportunity
6.2 Gas
6.2.1 Market Trends
6.2.2 Market Forecast
6.2.3 Revenue Share
6.2.4 Revenue Growth Opportunity
7. Market Breakup by Power
7.1 Up to 350 HP
7.1.1 Market Trends
7.1.2 Market Forecast
7.1.3 Revenue Share
7.1.4 Revenue Growth Opportunity
7.2 350 to 650 HP
7.2.1 Market Trends
7.2.2 Market Forecast
7.2.3 Revenue Share
7.2.4 Revenue Growth Opportunity
7.3 650 to 1000 HP
7.3.1 Market Trends
7.3.2 Market Forecast
7.3.3 Revenue Share
7.3.4 Revenue Growth Opportunity
8. Market Breakup by Application
8.1 Commercial Boats
8.1.1 Market Trends
8.1.2 Market Forecast
8.1.3 Revenue Share
8.1.4 Revenue Growth Opportunity
8.2 Fishing Boats
8.2.1 Market Trends
8.2.2 Market Forecast
8.2.3 Revenue Share
8.2.4 Revenue Growth Opportunity
8.3 Recreation Boats
8.3.1 Market Trends
8.3.2 Market Forecast
8.3.3 Revenue Share
8.3.4 Revenue Growth Opportunity
8.4 Security Boats
8.4.1 Market Trends
8.4.2 Market Forecast
8.4.3 Revenue Share
8.4.4 Revenue Growth Opportunity
9. Market Breakup by Region
9.1. North America
9.1.1. United States Market Trends Market Forecast
9.1.2. Canada Market Trends Market Forecast
9.2. Asia-Pacific
9.2.1. China
9.2.2. Japan
9.2.3. India
9.2.4. South Korea
9.2.5. Australia
9.2.6. Indonesia
9.2.7. Others
9.3. Europe
9.3.1. Germany
9.3.2. France
9.3.3. United Kingdom
9.3.4. Italy
9.3.5. Spain
9.3.6. Russia
9.3.7. Others
9.4. Latin America
9.4.1. Brazil
9.4.2. Mexico
9.4.3. Others
9.5. Middle East and Africa
9.5.1. Market Trends
9.5.2. Market Breakup by Country
9.5.3. Market Forecast
10. SWOT Analysis
10.1. Overview
10.2. Strengths
10.3. Weaknesses
10.4. Opportunities
10.5. Threats
11. Value Chain Analysis
12. Porters Five Forces Analysis
12.1. Overview
12.2. Bargaining Power of Buyers
12.3. Bargaining Power of Suppliers
12.4. Degree of Competition
12.5. Threat of New Entrants
12.6. Threat of Substitutes
13. Price Analysis
14. Competitive Landscape
14.1. Market Structure
14.2. Key Players
14.3. Profiles of Key Players
14.3.1. Wabtec Corporation Company Overview Product Portfolio Financials SWOT Analysis
14.3.2. Rolls-Royce Plc
14.3.3. Yanmar Holdings Co.
14.3.4. Man Energy Solutions
14.3.5. Cummins Inc.
14.3.6. Caterpillar Inc.
14.3.7. Deere & Company
14.3.8. Hyundai Heavy Industries Co.
14.3.9. Mitsubishi Chemical Corporation
14.3.10. Kirloskar Oil Engines Ltd.
15. Research Methodology

Frequently Asked Questions:

What is the current size of the Marine Auxiliary Engine market?

The Marine Auxiliary Engine market is projected to grow from USD 3,385.91 million in 2024 to USD 5,188.43 million by 2032, at a compound annual growth rate (CAGR) of 5.48%.

What factors are driving the growth of the Marine Auxiliary Engine market?

The growth of the Marine Auxiliary Engine market is driven by several factors including the expansion of global maritime trade, advancements in environmental regulations pushing for cleaner and more energy-efficient technologies, and the overall growth in the shipbuilding industry, particularly in Asia.

What are the key segments within the Marine Auxiliary Engine market?

Key segments within the Marine Auxiliary Engine market include segmentation by fuel type—Diesel and Gas; and by power—Up to 350 HP, 350 to 650 HP, and 650 to 1000 HP.

What are some challenges faced by the Marine Auxiliary Engine market?

Major challenges include high initial investment costs for newer, cleaner technologies, stringent emission regulations requiring significant R&D investment, technical and operational challenges associated with new technologies like hybrid and electric systems, and the competition from established players in the market.

Who are the major players in the Marine Auxiliary Engine market?

Major players in the market include Wabtec Corporation, Rolls-Royce Plc, Yanmar Holdings Co., MAN Energy Solutions, Cummins Inc., Caterpillar Inc., Deere & Company, Hyundai Heavy Industries Co., Mitsubishi Chemical Corporation, and Kirloskar Oil Engines Ltd.

Which segment is leading the market share?

The Diesel segment currently leads the market share in the Marine Auxiliary Engine market due to its long-standing reliability and widespread availability, although Gas engines are gaining traction due to increasing environmental sustainability initiatives.

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