Aeroengine Accessory Drive Train Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Aircraft Type (Commercial, Regional, Military, General Aviation), By Component (Accessory Gearbox, Internal Gearbox, Transfer Gearbox, Radial & Horizontal Shaft, Others), By Engine Type (Turbofan Engine, Turbojet Engine, Turboprop Engine, Turboshaft Engine), By Region, Competition, 2020-2030F

Market Overview

The Global Aeroengine Accessory Drive Train Market, valued at USD 4.20 Billion in 2024, is projected to experience a CAGR of 7.13% to reach USD 6.35 Billion by 2030. The aeroengine accessory drive train is a mechanical system composed of gears and shafts, designed to extract power from an aircraft engine and transmit it to essential onboard auxiliary systems, including hydraulic pumps, fuel pumps, and electrical generators. This market's growth is primarily driven by the increasing demand for fuel-efficient aircraft, expanding global air traffic, and continuous advancements in engine technologies. According to the General Aviation Manufacturers Association (GAMA), in 2023, general aviation aircraft shipments increased across all segments compared to 2022, with 3,050 airplanes and 962 helicopters delivered.

A significant challenge impeding market expansion is the ongoing complexity within the aerospace supply chain, characterized by material and component shortages. This issue impacts production timelines and costs. According to the International Air Transport Association (IATA), the worldwide commercial aircraft backlog reached a historic high of over 17,000 aircraft in 2024, indicating substantial future demand alongside persistent production constraints.

Key Market Drivers

The Global Aeroengine Accessory Drive Train Market is significantly influenced by the expanding global commercial and military aircraft fleet. This growth directly translates into heightened demand for new aircraft engines and their integrated accessory drive trains for original equipment manufacturing, along with substantial aftermarket requirements for maintenance, repair, and overhaul services. Additionally, a strong industry emphasis on fuel efficiency and environmental regulations drives continuous innovation in engine and drive system design, necessitating more sophisticated accessory drive trains that optimize power extraction and minimize parasitic losses.

The expanding global fleet directly stimulates demand for accessory drive trains. According to Airbus, in January 2024, the company announced it delivered 735 commercial aircraft in 2023, an eleven percent increase over the prior year, highlighting sustained new aircraft integration into global operations. This consistent production volume directly creates opportunities for accessory drive train suppliers. Concurrently, the aviation industry’s focus on fuel efficiency compels technological advancements in engine design. For instance, according to GE Aerospace, in November 2023, its XA100 adaptive cycle engine was estimated to provide pilots up to twenty-five percent greater fuel efficiency, directly shaping design and material specifications for compatible accessory drive systems. Supporting this dynamic investment, according to Assembly Magazine, in March 2024, GE Aerospace committed over $650 million to its manufacturing facilities and supply chain during 2024, reflecting the ongoing need for advanced production capacity in engine components, including accessory drive trains.

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Key Market Challenges

The ongoing complexity within the aerospace supply chain, specifically characterized by material and component shortages, directly impedes the growth of the Global Aeroengine Accessory Drive Train Market. These persistent shortages disrupt manufacturing schedules for essential components within the drive train systems, leading to significant production delays. According to the Aerospace Industries Association, in 2023, the sector experienced an average delay of 8.5 weeks in the delivery of critical components, underscoring the severity of these constraints. Such delays affect the timely assembly and delivery of accessory drive trains, which are integral to new aircraft engines.

This challenge consequently hampers the overall output of new aircraft, thereby reducing the demand for new accessory drive train installations. According to the International Air Transport Association, for 2024, the forecast for aircraft deliveries was only 1,254 aircraft, representing a 30% reduction from initial projections. These reduced delivery rates, stemming from pervasive supply chain issues, directly limit the expansion potential of the aeroengine accessory drive train market by constraining the volume of new aircraft requiring these critical systems.

Key Market Trends

More-Electric Aircraft (MEA) architecture integration is fundamentally reshaping demands on aeroengine accessory drive trains by replacing hydraulic and pneumatic systems with electrical equivalents. This shifts power extraction towards advanced electrical generation and distribution, requiring ADTs capable of managing higher electrical loads and delivering precise power for electrified aircraft systems. According to the Federal Aviation Administration, the $40 billion NextGen air traffic management modernization program, extending through 2030, necessitates upgraded electrical generation and power distribution, directly influencing ADT design for electrical power management. A European Union's Horizon Europe program, launched in February 2024, also focuses on optimizing aircraft management systems through more electric technologies for greener aviation, driving innovation in gearbox and generator designs for increased electrical power density.

Predictive maintenance and digital monitoring are transforming the operational and aftermarket segments of the Global Aeroengine Accessory Drive Train Market. This leverages sensor data and advanced analytics to forecast component failures, enabling proactive maintenance and reducing unscheduled downtime. Optimized schedules improve fleet availability and reduce costs. According to the International Air Transport Association, supply chain challenges are projected to incur additional maintenance costs of $3.1 billion for the airline industry in 2025 due to an aging fleet, highlighting the need for efficient maintenance strategies. In December 2024, Lufthansa Technik partnered with Microsoft to integrate artificial intelligence for optimizing maintenance processes, thereby enhancing MRO service efficiency. This commitment to digital solutions improves accessory drive train reliability and cost-effectiveness.

Segmental Insights

The Commercial Aircraft segment is experiencing rapid growth within the Global Aeroengine Accessory Drive Train Market due to several key drivers. Increasing global passenger traffic is leading to intensified demand for new aircraft deliveries and fleet expansion by airlines worldwide. This growth is further fueled by the ongoing need for fleet modernization, as airlines replace aging aircraft with newer models that prioritize enhanced fuel efficiency and operational performance. Consequently, the development and adoption of advanced accessory drive train systems that support more efficient engines and meet stringent aviation standards are crucial, directly benefiting manufacturers in this segment.

Regional Insights

North America leads the Global Aeroengine Accessory Drive Train Market due to its robust aerospace manufacturing infrastructure and early adoption of advanced aviation technologies. The region benefits from the strong presence of major aircraft manufacturers, such as Boeing and Lockheed Martin, and leading engine producers, including General Electric and Pratt & Whitney. Furthermore, the United States operates a significant commercial aircraft fleet, supported by substantial defense spending allocated by the Department of Defense for advanced aircraft programs. The Federal Aviation Administration's NextGen air traffic management modernization program also drives continuous technological advancements, necessitating upgraded electrical generation and power distribution capabilities for advanced accessory drive components. North America dominates the Global Aeroengine Accessory Drive Train Market, primarily due to its highly developed aerospace manufacturing infrastructure and the early adoption of advanced aviation technologies. This leadership is underpinned by the significant presence of major aircraft manufacturers, such as Boeing and Lockheed Martin, and prominent engine producers, including General Electric and Pratt & Whitney, all operating within the region. Additionally, North America benefits from a large commercial aircraft fleet and robust defense spending, which fuels demand for sophisticated accessory drive trains in military aviation programs. The ongoing modernization initiatives by regulatory bodies like the Federal Aviation Administration (FAA) further drive technological advancements and the integration of advanced systems requiring reliable accessory drive solutions.

Recent Developments

• In October 2025, Safran Aero Boosters and BMT Aerospace formalized a collaboration to establish an innovative manufacturing concept for key components of Pratt & Whitney’s F135 engine, which powers the F-35 Lightning II aircraft. This partnership, solidified with an agreement between the Belgian government and Pratt & Whitney, aims to strengthen Belgian industrial participation in the F-35 program. The initiative specifically focuses on advanced production capabilities for major engine components, including those within the accessory drive train, ensuring enhanced efficiency and reliability for critical aerospace applications and contributing to the Global Aeroengine Accessory Drive Train Market.

• In March 2025, GE Aerospace revealed plans to invest nearly US$1 billion in its U.S. manufacturing facilities and supply chain operations. This investment, approximately double the capital allocated in 2024, aimed to further enhance manufacturing capabilities, improve quality, and ensure the steady supply of innovative materials and parts for the aviation sector. Priorities included expanding capacity for CFM LEAP engines and supporting military engine production. This substantial financial commitment directly impacts the Global Aeroengine Accessory Drive Train Market by accelerating the development and scaled production of advanced components and systems through new technologies like additive manufacturing.

• In September 2024, Pratt & Whitney secured a significant contract worth US$1.3 billion from the Pentagon to continue critical work on the F-35 fighter jet's engine upgrade program. This substantial funding supports the modernization of the F135 engine, which powers the F-35 Lightning II aircraft. Such engine enhancements often necessitate the development and integration of updated or redesigned accessory drive train components to manage increased power demands and optimize system performance. The contract underscores ongoing efforts to advance the capabilities and reliability of military aeroengine systems, directly influencing the Global Aeroengine Accessory Drive Train Market.

• In March 2024, GE Aerospace announced plans to invest US$650 million across its manufacturing facilities and supply chain to bolster production capabilities and enhance quality for both commercial and defense sectors. This strategic investment allocated nearly US$450 million towards new machinery, inspection equipment, and facility upgrades across 22 sites in 14 states. A significant portion was directed towards additive manufacturing technologies to increase the production of military rotorcraft engine components and commercial aircraft engines. This commitment directly supports advancements within the Global Aeroengine Accessory Drive Train Market by fostering the development and manufacturing of improved and more efficient components.

Key Market Players

• Safran
• GE Aviation
• Rolls-Royce
• UTC
• Honeywell
• Woodward
• Parker Hannifin
• Eaton
• Meggitt
• Liebherr

Report Scope:

In this report, the Global Aeroengine Accessory Drive Train Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Aeroengine Accessory Drive Train Market, By Aircraft Type:

o   Commercial

o   Regional

o   Military

o   General Aviation

• Aeroengine Accessory Drive Train Market, By Component:

o   Accessory Gearbox

o   Internal Gearbox

o   Transfer Gearbox

o   Radial & Horizontal Shaft

o   Others

• Aeroengine Accessory Drive Train Market, By Engine Type:

o   Turbofan Engine

o   Turbojet Engine

o   Turboprop Engine

o   Turboshaft Engine

• Aeroengine Accessory Drive Train Market, By Region:

o   North America

§  United States

§  Canada

§  Mexico

o   Europe

§  France

§  United Kingdom

§  Italy

§  Germany

§  Spain

o   Asia Pacific

§  China

§  India

§  Japan

§  Australia

§  South Korea

o   South America

§  Brazil

§  Argentina

§  Colombia

o   Middle East & Africa

§  South Africa

§  Saudi Arabia

§  UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies presents in the Global Aeroengine Accessory Drive Train Market.

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Global Aeroengine Accessory Drive Train Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

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