Aircraft Gearbox Market Report 2026

Aircraft Gearbox Market Overview

• Aircraft Gearbox market size has reached to $3.91 billion in 2025 • Expected to grow to $5.87 billion in 2030 at a compound annual growth rate (CAGR) of 8.4% • Growth Driver: Surge In Air Traffic Propels Growth In The Aircraft Gearbox Market • Market Trend: Impact of Upgraded Main Gearboxes (eMGB) On Safety And Efficiency In Helicopter Operations • North America was the largest region in 2025 and Asia-Pacific is the fastest growing region.

What Is Covered Under Aircraft Gearbox Market?

The aircraft gearbox is the most important part of the transmission system of aircraft for varying rotational speeds and is essential to a functioning engine. Shafts connect the gearbox, and the internal arrangement of a gearbox determines the output torque and speed. The aircraft gearbox is used to increase output torque or to vary the speed (RPM) of a motor. An aircraft gearbox refers to a gearbox as a contained gear train, which is a mechanical part made up of several integrated gears housed in a housing. The major components in the aircraft gearbox are gears, housing, bearings, and others. Gear refers to a gear as a straightforward rotating device that typically contains teeth (cogs). The different aircraft types include civil aviation and military aviation. The major fits include retrofit and line fit and involve several gearbox types such as accessory, actuation, reduction, tail rotor, auxiliary power unit, and others. The several applications include engines and airframes.

What Is The Aircraft Gearbox Market Growth Forecast?

The aircraft gearbox market size is expected to see strong growth in the next few years. It will grow to $5.87 billion in 2030 at a compound annual growth rate (CAGR) of 8.4%. The growth in the forecast period can be attributed to rising production of next-generation aircraft requiring higher-efficiency gearboxes, advancements in noise-reduction and vibration-control technologies for aviation gear systems, increased electrification of aircraft driving demand for specialized gearboxes, development of high-performance gear materials to withstand higher operating loads, growing focus on fuel efficiency boosting demand for optimized transmission systems. Major trends in the forecast period include adoption of high-precision gear manufacturing techniques, integration of lightweight and high-strength materials in gearboxes, rising demand for modular and customizable gearbox designs, increasing focus on predictive maintenance and condition monitoring, growth in retrofit solutions for aging aircraft fleets.

Global Aircraft Gearbox Market Segmentation

1) By Component: Gear, Housing, Bearings, Other Components 2) By Aircraft Type: Civil Aviation, Military Aviation 3) By Fit: Retrofit, Linefit 4) By Gearbox Type: Accessory, Actuation, Reduction, Tail Rotor, Auxiliary Power Unit, Other Gearbox Types 5) By Application: Engine, Airframe Subsegments: 1) By Gear: Reduction Gears, Planetary Gears, Spur Gears 2) By Housing: Gearbox Cases, End Covers 3) By Bearings: Roller Bearings, Ball Bearings, Thrust Bearings 4) By Other Components: Seals And Gaskets, Lubrication Systems, Cooling Systems

What Is Driver Of The Aircraft Gearbox Market?

An increase in air traffic is expected to propel the growth of the aircraft gearbox market. An increase in air traffic refers to an increase in the number of people traveling by air, an increase in international tourism, and an increase in the demand for commercial aircraft for delivery. The rise in aviation traffic due to population and economic expansion has led to an increase in the demand for aircraft engines and parts, which drives the demand for the aircraft gearbox market. For instance, in January 2025, according to the IATA (International Air Transport Association), a Canada-based trade group for airlines, Total full-year traffic in 2024 (measured in revenue passenger kilometers or RPKs) rose 10.4% compared to 2023 while International full-year traffic in 2024 increased 13.6% compared to 2023, and capacity rose 12.8%. Therefore, the increase in air traffic is driving the growth of the aircraft gearbox industry.

Key Players In The Global Aircraft Gearbox Market

Major companies operating in the aircraft gearbox market are Safran, Triumph Group, Liebherr, The Boeing Group, General Electric, Rexnord Corporation, Rolls-Royce plc, Aero Gear, SKF, Northstar Aerospace, BAE Systems India Services Pvt Ltd, Nabtesco Corporation, Harbin Aircraft Industry Group, Shenyang Aircraft Corporation, Xi'an Aircraft Industrial Corporation, Shanghai Aircraft Industry Corporation, Hongdu Aviation Industry Group, Changhe Aircraft Industries Corporation, Chengdu Aircraft Industry Group, Guizhou Aircraft Industry Corporation, Meggitt PLC, Eaton Corporation PLC, Airbus S.A. S, ZF Luftfahrttechnik, ThyssenKrupp AG, CEF Industries, The Timken Company, PBS Velka Bites, Avion Corporation, AAR Corp, Circor International Inc, Collins Aerospace, Héroux-Devtek Inc, Magellan Aerospace Corporation, Bombardier Inc, Bell Textron Inc, Pratt & Whitney Canada, KF Aerospace, Elbit Systems Ltd, Israel Aerospace Industries, Saudi Aircraft Accessories and Components Company, Mubadala Aerospace, Alp Aviation, Turkish Technic Inc, Turkish Aircraft Industries Corporation, Parker-Hannifin Corporation, Moog Inc.

Global Aircraft Gearbox Market Trends and Insights

Major companies operating in the aircraft gearbox market are focusing on technological advancements such as upgraded main gearboxes (eMGB) to enhance safety, reduce maintenance costs, and improve overall operational efficiency. The upgraded main gearbox (eMGB) is a state-of-the-art component designed for helicopters, enhancing operational efficiency and safety through advanced engineering and materials. This innovative gearbox reduces maintenance requirements and downtime, thereby improving overall aircraft performance and reliability for operators. For instance, in February 2023, Airbus Helicopters SAS, a France-based helicopter manufacturing division of Airbus, introduced an upgraded main gearbox (eMGB) for the H225, aimed at enhancing safety and significantly reducing maintenance requirements for users. This innovation not only improves the helicopter's performance but also underscores Airbus's commitment to advancing technology in the heavy-twin segment.

What Are Latest Mergers And Acquisitions In The Aircraft Gearbox Market? Regal Rexnord Corporation Completes Strategic Acquisition of Altra Industrial Motion Corp. To Enhance Automation Portfolio

In March 2023, Regal Rexnord Corporation, a US-based manufacturer of electric motors and power transmission components, acquired Altra Industrial Motion Corp. for an undisclosed amount. The acquisition allows Regal Rexnord Corporation to enhance its automation portfolio and create a more comprehensive global automation solutions provider, benefiting from complementary power transmission technologies. This strategic move aims to accelerate organic growth by leveraging a broader offering and stronger sales channels, while also generating significant cost synergies to improve overall profitability. Altra Industrial Motion Corp. is a US-based manufacturer of mechanical power transmission products.

Regional Insights

North America was the largest region in the aircraft gearbox market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain

What Defines the Aircraft Gearbox Market?

The aircraft gearbox market consists of sales of shafts, covers, helical gearboxes, planetary gearboxes, worm gearboxes, and crane duty gearboxes. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in the Aircraft Gearbox Market Report 2026?

The aircraft gearbox market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the aircraft gearbox industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.