Aeroengine Accessory Drive Train Market Report

Market Size & Opportunities

Global Demand Analysis & Sales Opportunities in Aeroengine Accessory Drive Train Market

• The annual demand for aeroengine accessory drive train was USD 10.3 billion in 2025 and is expected to reach USD 11.2 billion in 2026, up 9.5% than the value in 2025. 

• During the forecast period (2026-2032), the market is expected to grow at a CAGR of 8.2%. The annual demand will reach USD 18.1 billion in 2032, which is almost 1.6 times the demand in 2026. 

• North America is expected to witness a dominant market share, generating the largest demand across regions, while Asia-Pacific is expected to be the fastest-growing region during the market forecast period.

• By component type, gearbox will continue to dominate in the coming years.

• By engine type, turbofan engines are estimated to generate the highest demand, capturing the largest market share throughout the forecast period.

• By application, commercial aircraft are anticipated to remain dominant over the forecast period.

• By end-use, OEMs are expected to witness a dominant market position during the forecast period.

“According to Senior Analyst at Stratview Research, the global aeroengine accessory drive train market will generate a cumulative sales opportunity worth USD 102.1 billion during 2026-2032. Over the next five years, gearbox, turbofan engines, commercial aircraft, OEMs, and North America are expected to emerge as some of the most attractive segments to capitalize on.”

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Market Statistics

Have a look at the sales opportunities presented by the aeroengine accessory drive train market in terms of growth and market forecast. 

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Market Dynamics

The aeroengine accessory drive train market is being shaped by rising aircraft production, growing demand for fuel-efficient aeroengines, and the transition toward more electric and hybrid propulsion architectures. At the same time, high manufacturing and maintenance costs and complex aerospace supply chains present challenges for market expansion. Continued engine fleet growth, increasing aftermarket activity, and advancements in propulsion technologies are creating new market growth and investment opportunities for accessory drive train manufacturers.

Market Drivers

Surging Aircraft Production and Fleet Expansion

The continued increase in aircraft production and fleet expansion is strengthening market growth for aeroengine accessory drive trains, as higher aircraft output directly increases the number of engines requiring integrated accessory drive systems. The growing production pipeline also supports sustained component requirements as manufacturers scale deliveries to meet accumulated aircraft orders.

• Airbus delivered 793 commercial aircraft in 2025, up 4% from 2024, while its year-end backlog reached a record 8,754 aircraft. The combination of higher deliveries and a substantial forward order pipeline indicate that engine production will need to remain elevated to support aircraft programs, consequently increasing the number of accessory drive train systems required for newly produced engines.

• Boeing delivered 600 commercial aircraft in 2025, its highest annual total since 2018, while its commercial airplane backlog exceeded 6,100 aircraft. As these aircraft move through production and enter service, their propulsion systems will require accessory drive trains to mechanically power essential engine accessories, making rising aircraft output a direct source of component demand for the market.

Growing Demand for Fuel-Efficient Aeroengines

The aviation industry's increasing focus on reducing fuel consumption and operating costs is strengthening market demand for advanced aeroengines, which in turn supports the adoption of optimized accessory drive train systems. As engine manufacturers introduce higher-efficiency propulsion architectures, accessory drive trains must deliver reliable power transmission while meeting tighter requirements for efficiency, weight, durability, and performance.

• Rolls-Royce’s Trent XWB-84 Enhanced Performance (EP) engine achieved a 1.8% improvement in specific fuel efficiency in 2026, exceeding its planned 1% target and translating into approximately USD 450,000 in annual fuel savings per aircraft. The continued improvement of engine efficiency demonstrates the industry's push toward more optimized propulsion systems, increasing the need for high-performance accessory drive train solutions that can support these advanced engines.

• Rolls-Royce invested more than £1 billion in upgrades to its Trent engine family, including technologies aimed at improving efficiency and durability. The investment highlights how engine manufacturers are continuously refining propulsion architectures to reduce operating costs, creating demand for accessory drive train components that can maintain reliable power transmission and performance within increasingly advanced and efficiency-focused engine

“As per the analyst, the global aeroengine accessory drive train market is evolving rapidly. Based on the market analysis and discussions with leading industry players, the next decade will be shaped by trends such as next-generation fuel-efficient aeroengines, increasing electrification and hybridization of propulsion systems, and the growing adoption of advanced accessory drive technologies.”

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Market Challenge

High Manufacturing and Maintenance Costs

The complex design, stringent certification requirements, and specialized materials involved in aeroengine accessory drive trains make manufacturing and servicing expensive, creating a challenge for market growth. The cost burden becomes more pronounced as advanced engines require specialized components, frequent inspections, and highly skilled MRO capabilities, which can increase lifecycle expenses for engine operators and constrain cost-sensitive adoption.

• International Air Transport Association (IATA) reported that airlines were expected to incur an additional USD 5.7 billion in maintenance and spare-engine leasing costs in 2025, driven by engine shortages, unexpected wear in newer engines, and limited maintenance capacity. Higher engine-related costs can encourage operators to defer non-critical replacements or seek longer component lifecycles, creating pricing pressure across the accessory drive train supply chain.

Market Opportunity

Advancement of Hybrid-Electric and Sustainable Propulsion

The shift toward hybrid-electric and sustainable propulsion architectures is emerging as a key market trend in aeroengine development, creating new requirements for efficient power transmission, electrical integration, and energy management within propulsion systems. As engine manufacturers move from conventional architectures toward more-electric and hybrid configurations, accessory drive systems are expected to evolve to accommodate changing power-management requirements.

• GE Aerospace and NASA completed a high-altitude hybrid-electric flight test in July 2026 at more than 30,000 feet, using a Saab 340 test aircraft as part of GE's next-generation propulsion research. The milestone demonstrates the transition of hybrid-electric aeroengine technology from laboratory development toward real flight testing, supporting future demand for accessory drive architectures capable of integrating mechanical and electrical power functions.

• Safran's ENGINeUS electric motor completed 700 hours of flight testing and 3,000 hours of laboratory testing before receiving EASA certification in 2025. The certification validates the progression of electric propulsion technology toward commercial aviation applications, including hybridization of future aircraft engines, creating opportunities for accessory drive systems to adapt to increasingly electrified propulsion architectures.

Segments' Analysis

By Component Type

“Gearbox is expected to remain the dominant component type in the aeroengine accessory drive train market over the forecast period.”

• The market is segmented into gearbox, generators, radial & horizontal shafts, pumps, and others.

• Gearbox is expected to account for the largest share, supported by its critical role in transmitting and regulating mechanical power from the engine to multiple accessories, including generators, pumps, and other systems. The increasing complexity and power requirements of modern aeroengines are driving the need for highly efficient and reliable gear reduction and power-transmission systems, strengthening the position of gearboxes in the accessory drive train market.

By Engine

“Turbofan engines are expected to remain the dominant engine type in the aeroengine accessory drive train market over the forecast period.”

• The market is segmented into turbofan engines, turboshaft engines, turboprop engines, turbojet engines, and others.

• Turbofan engines are expected to account for the largest share, supported by their widespread use across commercial aviation and their increasing adoption in modern narrow-body, wide-body, and regional aircraft. The continued expansion of commercial aircraft fleets and development of fuel-efficient next-generation turbofan engines are expected to sustain demand for integrated accessory drive train systems.

By Application

“Commercial aircraft are expected to remain the dominant application in the aeroengine accessory drive train market over the forecast period.”

• The market is segmented into commercial aircraft, general aviation, military aircraft, and others.

• Commercial aircraft are expected to account for the largest share, supported by continued passenger traffic growth, aircraft fleet expansion, and rising production of new-generation commercial aircraft. The large installed base of commercial turbofan engines also creates recurring requirements for accessory drive train components across both new aircraft production and engine maintenance activities.

By End-use

“Original equipment manufacturers (OEMs) are expected to remain the dominant end-use segment in the aeroengine accessory drive train market over the forecast period.”

• The market is segmented into original equipment manufacturers (OEMs) and aftermarket.

• OEMs are expected to account for the largest share, supported by increasing aircraft and engine production and the integration of accessory drive train systems into newly manufactured propulsion systems. Growing production programs for commercial and military aircraft are generating consistent demand for factory-installed gearboxes, shafts, generators, and pumps, reinforcing the OEM segment's leading position.

By Region

“North America is expected to remain the dominant regional market for aeroengine accessory drive trains over the forecast period.”

• The market is segmented into North America, Europe, Asia Pacific, Latin America, and the Middle East & Africa.

• North America is expected to account for the largest share, supported by its highly developed aerospace and defense industry, presence of leading aeroengine and accessory system manufacturers, and substantial commercial and military aircraft fleets. Strong aircraft production, engine development, and MRO capabilities across the U.S. further support the region's leading position in the aeroengine accessory drive train market.

“Analysis suggests that the Top 10 countries generate >80% of the annual sales for the aeroengine accessory drive train. A few countries are the demand powerhouses and will drive the regional markets in big ways offering attractive business opportunities.”

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Competitive Landscape

The market is fragmented with the presence of less than 100 global and regional players. Some of the major players also manufacture aeroengine accessories that drive train metal parts. Leading players hold excellent market positions with a vast product portfolio, a wide distribution network, and years of track record.  

The following are the key players in the aeroengine accessory drive train market:

• Woodward

• Honeywell Aerospace Technologies

• Pratt & Whitney Corporation

• Safran S.A.

• Rolls Royce Holdings Plc.

• GE Aerospace

• Triumph Group

• Parker Hannifin

Note: The above list is not an exhaustive list of the key players in the market. If your company is active in this market and would like to be considered for inclusion in future editions of this study, please contact us at [email protected].  

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Recent Developments / Mergers & Acquisitions

Recent mergers & acquisitions and other developments in the aeroengine accessory drive train market reflect evolving market trends and impact the market. Below given are a few recent developments in the market –

• In May 2026, Parker Hannifin agreed to acquire CIRCOR International’s Commercial and Defense Aerospace business for USD 2.55 billion. The acquisition adds CIRCOR’s flight-critical motion and flow-control products for commercial and defense aircraft to Parker’s aerospace portfolio.

• In January 2026, TransDigm agreed to acquire Jet Parts Engineering and Victor Sierra Aviation from Vance Street Capital for approximately USD 2.2 billion. The two companies manufacture proprietary aftermarket aerospace components, strengthening TransDigm’s position in aircraft component replacement and maintenance as operators keep aircraft in service for longer.

• In December 2025, ITP Aero agreed to acquire Aero Norway, a Norwegian specialist in CFM56 engine overhaul and repair. The transaction expands ITP Aero’s engine aftermarket capabilities and adds Aero Norway’s maintenance operations in Stavanger.

• In December 2025, Howmet Aerospace agreed to acquire Consolidated Aerospace Manufacturing (CAM) from Stanley Black & Decker for approximately USD 1.8 billion. CAM manufactures aerospace fasteners, fittings, and engineered components, while Howmet is a major supplier of jet-engine components, making the deal relevant to the broader aeroengine component supply chain.

Report Scope

An aeroengine accessory drive train is a mechanical power-transmission system that transfers rotational power from an aircraft engine’s main shaft to essential accessories and auxiliary systems. It typically comprises gearboxes, generators, radial and horizontal shafts, pumps, and other components that support functions such as fuel delivery, lubrication, hydraulics, and electrical power generation. The system plays a critical role in maintaining engine reliability and efficiency by delivering power to these accessories at the required speed and torque. Growing adoption of fuel-efficient, high-performance, and more-electric aeroengines is driving advancements in accessory drive train design, materials, and power-management capabilities.

Report Structure

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. 

• Attractive market segments and associated growth opportunities. 

• Emerging trends. 

• Strategic growth opportunities for the existing and new players. 

• Key success factors. 

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Segmentation 

The report provides detailed insights into the market dynamics to enable informed business decision-making and growth strategy formulation based on the opportunities present in the market. 

The aeroengine accessory drive train market is segmented into the following categories: 

Aeroengine Accessory Drive Train Market, By Component Type 

•  Gearbox

• Generators

• Radial & Horizontal Shafts

• Pumps

• Others

Aeroengine Accessory Drive Train Market, By Engine  Type 

• Turbofan Engines

• Turboshafts Engines

• Turboprop Engines

• Turbojet Engines

• Others

Aeroengine Accessory Drive Train Market, By Application Type 

• Commercial Aircraft

• General Aviation

• Military Aircraft

• Others

Aeroengine Accessory Drive Train Market, By End-User Type 

• OEMs

• Aftermarket

Aeroengine Accessory Drive Train Market, By Region

• North America (Country Analysis: The USA, Canada, and Mexico) 

• Europe (Country Analysis: Germany, France, The UK, Russia, and the Rest of Europe) 

• Asia-Pacific (Country Analysis: Japan, China, India, and Rest of Asia-Pacific) 

• Rest of the World (Country Analysis: Brazil and Others)

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Research Methodology

This strategic assessment report from Stratview Research provides a comprehensive analysis that reflects today’s aeroengine accessory drive train market realities and future market possibilities for the forecast period. 

The report segments and analyzes the market in the most detailed manner 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 fruits 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 10 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 respectable clients:

Company Profiling

• Detailed profiling of additional market players (up to 3 players)
• SWOT analysis of key players (up to 3 players)

Competitive Benchmarking

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

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