Aircraft Gears Market Analysis | 2025-2034

Market Insights

The aircraft gears market size was USD 370 million in 2024 and is likely to grow at a decent CAGR of 5.1% during 2025-2034 to reach USD 610 million in 2034.

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Market Dynamics

Introduction

The aircraft gears market represents a specialized segment within the aerospace industry that focuses on the development, production, and maintenance of gear systems used in aircraft. These gear systems are crucial components in various aircraft subsystems, contributing to the safe and efficient functioning of an aircraft. The market includes manufacturers, suppliers, maintenance providers, and end-users such as commercial airlines, military forces, and private aviation companies.

As air travel and defense aviation continue to grow globally, there is a steady demand for high-performance and durable gear systems that can withstand extreme operational conditions, such as high temperatures, heavy loads, and vibration.

Market Drivers

Rising Commercial Aircraft Deliveries and Fleet Expansion

Growing passenger traffic and airline fleet expansion are driving aircraft gears market growth as each new aircraft requires precision gears across engine accessory systems, actuators, auxiliary power units, landing systems, and other mechanical assemblies. Increasing aircraft production and fleet renewal therefore directly expand the installation base for aircraft gear systems.

• According to the International Civil Aviation Organization (ICAO), global passenger traffic measured in revenue passenger kilometers reached approximately 104% of 2019 levels in 2024. The recovery and continued expansion of air travel are encouraging airlines to increase fleet capacity, supporting demand for aircraft gears across new commercial aircraft production.

Growing Demand for Fuel-Efficient and Next-Generation Aircraft

The shift toward more fuel-efficient and technologically advanced aircraft is increasing aircraft gears market demand as modern propulsion and flight-control systems require lightweight, high-strength, and precisely engineered gear assemblies. Advanced gears help transmit power efficiently while meeting stringent requirements for weight, durability, reliability, and operating performance.

• According to IATA, airlines and aircraft manufacturers face a commercial aircraft order backlog of approximately 17,000 aircraft, representing a substantial pipeline of future aircraft production. The continued transition toward newer and more efficient aircraft platforms is expected to increase demand for advanced gear systems used in engines, APUs, actuators, and flight-control applications.

Market Challenges

Aerospace Supply Chain Disruptions and Raw Material Constraints

Supply chain disruptions are challenging aircraft gears market growth because gear manufacturing depends on specialized aerospace steels, titanium alloys, precision machining, heat treatment, and other tightly controlled processes. Shortages of materials, engines, and manufacturing capacity can delay aircraft production schedules, creating uncertainty for gear suppliers and increasing procurement and inventory costs.

• According to IATA, aircraft deliveries reached only approximately 1,254 units in 2024, remaining about 30% below the industry's pre-pandemic peak. Persistent supply-chain constraints and engine shortages are limiting aircraft production rates, creating delivery delays that can affect procurement schedules for aircraft gear manufacturers and suppliers.

Complex Certification Requirements for Advanced Gear Systems

Stringent certification requirements remain a major challenge for aircraft gears market development because gears used in safety-critical aircraft systems must demonstrate high levels of fatigue resistance, dimensional accuracy, reliability, and durability. The introduction of new alloys, coatings, manufacturing processes, and additive manufacturing technologies can further increase testing and qualification requirements, extending development timelines and increasing engineering costs.

Market Opportunities

Growing Aircraft Aftermarket and MRO Demand

The expansion of the aircraft aftermarket is creating opportunities in the aircraft gears market forecast as aging fleets and high aircraft utilization increase requirements for gear inspection, repair, refurbishment, and replacement. Aircraft gears operating under repeated mechanical loads experience wear over time, creating recurring aftermarket demand even after new-aircraft production cycles moderate.

• According to IATA, airlines are expected to spend approximately USD 138 billion on maintenance in 2025, reflecting continued growth in global aircraft maintenance requirements. Higher maintenance spending is creating opportunities for aircraft gear manufacturers, repair specialists, and aftermarket suppliers providing replacement and refurbished gear components.

Expansion of Military Aviation and Defense Modernization

Increasing defense modernization spending is creating opportunities in the aircraft gears market as governments procure new fighter aircraft, military transports, helicopters, and unmanned aerial systems requiring high-performance transmission and actuation systems. Military platforms operate under demanding load, temperature, and environmental conditions, increasing the need for durable and precision-engineered gears.

• According to SIPRI, global military expenditure reached approximately USD 2.72 trillion in 2024, representing a 9.4% increase from 2023. Rising defense budgets are supporting procurement and modernization of military aviation platforms, creating additional demand for specialized gears used in propulsion, actuation, transmission, and auxiliary systems.

Adoption of Advanced Manufacturing and Lightweight Gear Technologies

The increasing adoption of advanced manufacturing is creating an aircraft gears market trend toward lightweight designs, precision machining, advanced coatings, and additive manufacturing. These technologies can reduce material waste, enable complex geometries, improve gear performance, and support the development of components optimized for next-generation aircraft systems.

• According to the U.S. Department of Energy, additive manufacturing can reduce material waste by up to 90% compared with some conventional manufacturing processes. Greater adoption of material-efficient manufacturing is creating opportunities for aerospace gear producers to develop lightweight and complex components while reducing production waste and improving manufacturing efficiency.

Segment Analysis

By Gear Type

“The spur gears segment is expected to dominate the market during the forecast period.”

Based on the gear, the market is segmented into spur gears, bevel gears, helical gears, rack and pinion gears, and others. Among these, the spur gears segment is anticipated to dominate the aircraft gears market throughout the forecast period. This dominance is attributed to their simplicity, reliability, and cost-effectiveness, making them a preferred choice for various aircraft systems such as propulsion, actuators, and auxiliary power units. Conversely, the helical gears segment is expected to experience the highest growth rate during the forecast period. Helical gears offer smoother and quieter operation due to their angled teeth, which allow for gradual engagement. This characteristic makes them particularly suitable for high-speed and high-load applications in aircraft, such as transmission systems and engine components.

By Platform Type

“The commercial aviation segment is expected to continue to dominate the market during the forecast period.”

Based on the platform, the market is segmented into commercial aviation and military aviation. The commercial aviation segment is expected to dominate the aircraft gears market in terms of market share. This dominance is attributed to factors such as increasing global air travel, fleet expansion by airlines, and the demand for fuel-efficient aircraft, all of which drive the need for advanced gear systems in commercial aircraft. On the other hand, the military aviation segment is expected to experience the highest CAGR during the forecast period, driven by rising defense budgets, modernization of military fleets, and the integration of advanced technologies in military aircraft, leading to increased demand for specialized gear systems.

By Application Type

“The auxiliary power unit segment is anticipated to exhibit the highest growth rate throughout the forecast period.”

Based on the application, the market is segmented into auxiliary power units, actuators, pumps, air conditioning compressors, and others. Among these, the actuators segment is anticipated to dominate the aircraft gears market in terms of market share throughout the forecast period. This dominance is attributed to the increasing complexity of modern aircraft, which necessitates advanced actuation systems for precise control of flight surfaces, landing gear, and engine components. Conversely, the auxiliary power unit segment is projected to experience the highest CAGR during the forecast period. This growth is fueled by the rising demand for energy-efficient and reliable power sources in aircraft, especially in military applications.

By End-User Type

“The aftermarket segment is expected to experience the highest growth rate throughout the forecast period.”

Based on the end-user type, the market is segmented into OEM and Aftermarket. The Original Equipment Manufacturer (OEM) segment is expected to dominate the aircraft gears market in terms of market share throughout the forecast period. This dominance is attributed to the increasing demand for new aircraft across both commercial and military sectors, leading to higher production rates and, consequently, a greater need for integrated gear systems in newly manufactured aircraft. Whereas the aftermarket segment is expected to experience the highest growth rate during the forecast period. This growth is driven by the rising need for maintenance, repair, and overhaul (MRO) services as airlines aim to extend the operational life of existing aircraft fleets.

Regional Insights

“The North America region is expected to dominate the market during the forecast period.”

North America is expected to dominate the aircraft gears market during the forecast period. This dominance is attributed to the presence of major aircraft manufacturers, technological advancements, and a strong focus on research and development activities within the region.

The Asia-Pacific region is anticipated to experience the highest CAGR throughout the forecast period. This rapid growth is driven by factors such as expanding economies, increasing air passenger traffic, rising defense expenditures, and significant investments in aviation infrastructure.

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Key Players

The market consists of a considerable number of players, featuring several key players renowned for their expertise and contributions. The following are the key players in the aircraft gears market.

Here is the list of the Top Players (Based on Dominance)

• Safran S.A.
• GE Aerospace
• Rolls-Royce plc
• RTX Corporation
• Honeywell International Inc.
• Liebherr Group
• Aero Gearbox International
• Triumph Group
• Rexnord Corporation
• Mitsubishi Heavy Industries Ltd.

Note: The above list does not necessarily include all the top players in the market.

Are you the leading player in this market? We would love to include your name. Please write to us at [email protected]

Report Features

This report provides market intelligence most comprehensively. The report structure has been kept so that it offers maximum business value. It provides critical insights into market dynamics and will enable strategic decision-making for existing market players as well as those willing to enter the market. The following are the key features of the report:

• Market structure: Overview, industry life cycle analysis, supply chain analysis.
• Market environment analysis: Growth drivers and constraints, Porter’s five forces analysis, SWOT analysis.
• Market trend and forecast analysis.
• Market segment trend and forecast.
• Competitive landscape and dynamics: Market share, Service portfolio, New Product Launches, etc.
• COVID-19 impact and its recovery curve
• Attractive market segments and associated growth opportunities.
• Emerging trends.
• Strategic growth opportunities for the existing and new players.
• Key success factors.

Research Methodology

• This strategic assessment report from Stratview Research provides a comprehensive analysis that reflects today’s aircraft gears market realities and future market possibilities for the forecast period.
• The report segments and analyzes the market in the most detailed manner in order to provide a panoramic view of the market.
• The vital data/information provided in the report can play a crucial role for market participants and investors in identifying the low-hanging fruit available in the market and formulating growth strategies to expedite their growth process.
• This report offers high-quality insights and is the outcome of a detailed research methodology comprising extensive secondary research, rigorous primary interviews with industry stakeholders, and validation and triangulation with Stratview Research’s internal database and statistical tools.
• More than 1,000 authenticated secondary sources, such as company annual reports, fact books, press releases, journals, investor presentations, white papers, patents, and articles, have been leveraged to gather the data.
• We conducted more than 15 detailed primary interviews with market players across the value chain in all four regions and industry experts to obtain both qualitative and quantitative insights.

Customization Options

With this detailed report, Stratview Research offers one of the following free customization options to our respected clients:

Company Profiling

• Detailed profiling of additional market players (up to three players)
• SWOT analysis of key players (up to three players)

Competitive Benchmarking

• Benchmarking of key players on the following parameters: Service portfolio, geographical reach, regional presence, and strategic alliances.

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