According to Fortune Business Insights™, the global aircraft gearbox market size was valued at USD 3,381.5 million in 2024. The market is projected to grow from USD 3,653.7 million in 2025 to USD 6,094.1 million by 2032, exhibiting a compound annual growth rate (CAGR) of 7.58% during the forecast period. North America dominated the aircraft gearbox market with a share of 45.71% in 2024.
The aircraft gearbox market is experiencing robust growth driven by rising demand for lightweight aircraft components, increasing air traffic, and the expansion of commercial and military fleets. Continued technological advancements in materials and manufacturing techniques, such as additive manufacturing and advanced composites, are further accelerating the market. Furthermore, growing investments in fleet modernization, coupled with higher efficiency and performance expectations, are prompting manufacturers to develop more innovative and reliable gearbox systems. North America remains at the forefront of this global market due to its established aerospace infrastructure, R&D strength, and presence of major OEMs.
This information is detailed in the research report titled “Aircraft Gearbox Market Size, Share, Forecast, and 2025–2032.”
List of Key Players Mentioned in the Report:
- Safran (France)
- Liebherr (Switzerland)
- United Technologies Corporation (UTC) (U.S.)
- Rexnord Aerospace (U.S.)
- Triumph Group (U.S.)
- Aero Gear (U.S.)
- CEF Industries Inc. (U.S.)
- The Timken Company (U.S.)
- AAR Corp (U.S.)
- Rolls-Royce plc (U.K.)
- Regal Rexnord (U.S.)
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Segmentation:
Gear Segment Dominated Owing to its Crucial Role in Power Transmission and Engine Optimization
By component, the market is segmented into gear, housing, bearing, and others. The gear segment dominated the market in 2024 due to its essential function in transmitting power from the engine to various aircraft systems. Lightweight, high-precision gears support improved fuel efficiency and engine performance.
The housing segment is also anticipated to witness notable growth, driven by advances in lightweight materials that contribute to overall aircraft weight reduction and increased component durability.
Commercial Segment Led the Market Amid Rising Air Travel Demand
Based on platform, the market is segmented into commercial, civil, and military. The commercial segment held the dominant share in 2024, fueled by increasing airline fleet sizes and global passenger traffic. With 850 million passengers in the U.S. alone in 2023, demand for commercial aircraft—and their gearboxes—continues to rise.
Meanwhile, the military segment is expected to grow significantly, as heightened geopolitical tensions spur defense modernization efforts and procurement of advanced aircraft with robust gearbox requirements.
Accessory Gearbox Segment Dominated Due to Fleet Expansion
By gearbox type, the market is categorized into accessory gearboxes, reduction gearboxes, actuation gearboxes, tail rotor gearboxes, APU gearboxes, and others. The accessory gearbox segment led the market in 2024 due to expanding airline fleets and growing demand for more efficient aircraft systems.
The reduction gearbox segment is expected to grow steadily as it enables efficient engine-propeller coordination, supported by innovations in materials and designs that enhance reliability and longevity.
OEM Segment Led Market Due to Advanced Integration Capabilities
By end-user, the market is segmented into OEM, MRO, and others. The OEM segment dominated in 2024, owing to established supply chain networks and technical integration capabilities. OEMs play a vital role in incorporating new gearbox technologies into next-generation aircraft.
The MRO segment is projected to expand rapidly during the forecast period, driven by the aging global fleet and rising demand for maintenance, repair, and overhaul services.
Information Source:
https://www.fortunebusinessinsights.com/aircraft-gearbox-market-105541
Drivers and Restraints: Aircraft Gearbox Market
Rising Demand for Lightweight Aircraft Components to Boost Market Growth
With airlines and aircraft manufacturers focusing on efficiency, the demand for lightweight components, including gearboxes, is increasing. Lighter components not only enhance fuel efficiency but also improve performance, reduce emissions, and extend component lifespan. Manufacturers are leveraging advanced materials and design techniques to create high-performance, lightweight gear systems.
Stringent Regulations Pose Challenges to Market Expansion
However, the aircraft gearbox market faces challenges from stringent aerospace regulations. The high costs associated with design, development, and certification of gearboxes can hinder new entrants and slow innovation. Regulatory compliance and safety testing add to the complexity and cost of market participation, acting as a restraint on growth.
Regional Insights:
North America to Maintain Dominance Owing to Aerospace Leadership and Military Investment
North America led the global aircraft gearbox market in 2024, with a market value of USD 1,545.82 million. The region benefits from the presence of key players such as Boeing and GE, as well as strong R&D capabilities and government defense programs. The U.S. Department of the Air Force’s FY2025 budget of USD 217.5 billion—featuring USD 29 billion for procurement and USD 37.7 billion for R&D—underscores the scale of investment supporting the gearbox market.
Europe Benefiting from Technological Advancements and Green Aviation Initiatives
Europe holds a significant market share, supported by investments from leading aerospace firms focused on reducing emissions and improving aircraft efficiency. Collaborations between governments and industry players have been key to driving innovation in the region.
Asia Pacific Set to Grow at Fastest Pace Due to Civil Aviation Boom
The Asia Pacific region is projected to witness the highest CAGR due to increasing demand for civil aviation and regional fleet expansions in countries like China and India. Infrastructure development and rising disposable incomes are contributing to a flourishing aviation market and growing demand for reliable gearboxes.
Other Regions See Gradual Growth
The Middle East & Africa are experiencing modest growth through fleet expansion and investments in aviation infrastructure. Latin America, led by Brazil and Mexico, is seeing steady market recovery through a focus on MRO capabilities and aviation development.
Competitive Landscape:
Key Players Focus on Innovation, Contracts, and Partnerships to Strengthen Market Position
The aircraft gearbox market is competitive, with leading players investing heavily in R&D and strategic partnerships to meet evolving industry needs. Companies are also expanding product lines and entering long-term agreements to maintain market leadership.
Key Industry Developments:
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February 2025 – Bell Boeing received a USD 46 million contract for the integration and supply of V-22 Gearbox Vibration Monitoring/Osprey Drive System Safety and Health Information (ODSSHI) kits.
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August 2023 – Leonardo announced partnerships to support its AW09 helicopter at Heli-Expo 2023.
- May 2023 – Triumph Group’s Geared Solutions unit secured a long-term contract with GE for LEAP program Inlet Gearboxes.
- February 2023 – Airbus Helicopters launched the upgraded eMGB for its H225, doubling the Time Before Overhaul (TBO) from 1,000 to 2,000 hours.
- November 2022 – GE Aerospace and Tata Advanced Systems Ltd extended their USD 1 billion agreement for engine components manufacturing.
Report Coverage:
The aircraft gearbox market report offers a comprehensive analysis of global trends, market size, and forecast through 2032. It provides detailed segmentation by component, gearbox type, platform, and end-user. The report highlights key players, competitive dynamics, pricing strategies, regional performance, and recent industry developments. Additionally, it explores market drivers, restraints, and the strategic initiatives shaping the future of aircraft gearbox technologies.
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