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Automotive Industry Solutions
Advanced ECU Solutions Our ECU solutions are designed to manage complex engine and transmission functions, enhancing vehicle performance and compliance with emission standards. By integrating

Industrial & Off-Road Solutions
Innovative Off-Road Machinery Solutions Our off-road engineering capabilities focus on developing high-performance propulsion and control systems specifically for off-road vehicles. Partnering with leading European specialists,

Marine propulsion solutions
Advanced Marine Engineering Innovations The efficiency of modern vessels is increasingly dictated by the sophistication of marine engine control systems. Unlike standard industrial applications, nautical

Motorsport Industry Solutions
Hybrid System Development We offer advanced hybrid powertrain development for motorsport applications. Our solutions include high-power, low-voltage systems designed for maximum performance and efficiency. Typical

Hydrogen Industry Applications
System integration for hydrogen solutions With twenty years of experience as General Motors’ engineering center of excellence inpropulsion solutions, Dumarey relies on a solid automotive
Automotive Industry Solutions
Our ECU solutions are designed to manage complex engine and transmission functions, enhancing vehicle performance and compliance with emission standards. By integrating advanced control algorithms, our ECUs provide precise management of fuel injection, ignition timing, and other critical parameters.
Dumarey’s automatic transmissions are engineered for smooth shifting, durability, and fuel efficiency. Utilizing state-of-the-art manufacturing processes, we deliver transmission systems that meet the demands of both passenger and commercial vehicles.
Innovative Off-Road Machinery Solutions
Our off-road engineering capabilities focus on developing high-performance propulsion and control systems specifically for off-road vehicles. Partnering with leading European specialists, we design and implement solutions that enhance the reliability and operational effectiveness of off-road machinery, ensuring superior performance in demanding conditions.
Dumarey’s commitment to continuous innovation is reflected in our off-road machinery portfolio. We integrate cutting-edge technologies into every piece of equipment, ensuring compliance with—and often exceeding—industry standards. Our machinery serves diverse applications including:
Marine propulsion solutions
The efficiency of modern vessels is increasingly dictated by the sophistication of marine engine control systems. Unlike standard industrial applications, nautical engineering must account for variable load profiles, corrosive environments, and the need for rapid transient response during docking or emergency maneuvers.
We specialize in developing control architectures that allow for precise calibration of fuel injection and air management, ensuring that every kilowatt produced is optimized for the specific hydrodynamic profile of the hull. As established control units suppliers, we develop the digital brain necessary to manage complex propulsion layouts in both recreational and commercial sectors.
- The Seatek 10.3 L engine, developed in close technical partnership with SEATEK, employs Dumarey’s Electronic Platform as its core engine control unit (ECU), applying advanced calibration strategies to manage high‑pressure fuel injection, air‑path control, and transient torque delivery required by offshore racing and fast‑patrol vessel operations.
Building on this demanding application, the Electronic Platform showcases its broader versatility as a scalable, field‑agnostic control solution, supported by a fully customizable software architecture capable of adapting to propulsion and industrial systems well beyond the marine sector.
Through this integration, Dumarey strengthens its role as a supplier delivering bespoke power outputs, advanced diagnostics, and maximum reliability for OEM engine programs across multiple industries.
The maritime industry is undergoing a paradigm shift toward decarbonization, driven by both regulatory pressures (IMO Tier III) and environmental responsibility.
Transitioning from traditional diesel layouts to hybrid and zero-emission configurations requires a deep understanding of energy density and system recovery. This holistic approach ensures that marine propulsion solutions remain sustainable without compromising vessel autonomy.
- Fuel Cell Integration: as showcased at the 2023 Damen Festival in collaboration with General Motors, our flywheel energy storage systems play a key role in hydrogen-powered vessels by acting as a dynamic buffer between fuel cells and propulsion loads.
By absorbing transient power peaks and recovering kinetic energy during load variations, the flywheel reduces fuel cell oversizing, stabilizes the balance-of-plant (BoP), and improves overall system efficiency. This architecture is particularly relevant for port authority vessels and short-sea shipping applications targeting true zero-emission operation with optimized energy management. - HVO Biofuel Adoption: in partnership with Enilive, we validated HVOlution, a second-generation paraffinic biofuel for marine applications within hybrid powertrains incorporating flywheel energy storage.
In this configuration, the flywheel mitigates load fluctuations and peak demand on conventional engines running on HVO, enabling smoother operation, improved fuel efficiency, and reduced COâ‚‚-equivalent emissions. This solution allows existing vessels to enhance sustainability without requiring hardware modifications to the marine transmission systems.
Motorsport Industry Solutions
We offer advanced hybrid powertrain development for motorsport applications. Our solutions include high-power, low-voltage systems designed for maximum performance and efficiency. Typical configurations feature 48V architectures with integrated ultra-capacitors for rapid energy transfer and durability. We manage the entire process—from concept design and simulation to testing, validation, and manufacturing—ensuring optimized fuel consumption and superior track performance.
We provide engineering services for high-speed single-cylinder research engines, ideal for combustion development and performance optimization. Our designs include unique bearing arrangements, cranktrain and camdrive systems capable of operating beyond 13,000 rpm. Flexible ECU control and advanced fuel injection strategies allow precise calibration and testing. We guarantee high accuracy in controlled environments, delivering robust solutions for demanding research programs.
Our pre-chamber technology offering focuses on enhancing combustion efficiency and power output for high-performance engines. We develop both active and passive pre-chamber systems tailored to various chamber layouts, injection strategies, and fuel types—including sustainable options such as hydrogen and natural gas. With extensive experience and proven methodologies, we help clients accelerate innovation and achieve competitive advantages in motorsport and beyond.
Our products & services
Gear reducers and automatic transmissions
Injectors and fuel rails systems manufacturer
Battery and flywheel energy storage manufacturer
Electronic control units supplier
Our expertise spans the entire product industrialisation cycle. We use the ASPICE standards to ensure a seamless journey, from defining your requirements to serial production.
We design our software and hardware following the strictest cybersecurity and functional safety standards.
OEM Engine Solutions
Hardware Engineering for Propulsion Systems
Hydrogen Solutions
Testing and Laboratory Services
Software Engineering Services
AI tailor-made solutions
Transmissions and reducers
Hydrogen Industry Applications

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Reactive on hover
Environment
As part of its long-term vision, the company is committed to a proactive strategy of reducing its carbon footprint.
Social
Through the decades, Dumarey Group has adapted to technological developments and market demands, while always aiming for customer satisfaction and employee development in a safe and healthy working environment. Social dialogue is present at every stage in Dumarey’s development, and in its management of the risks it faces. Sustainable success is success shared with all our stakeholders, with a common goal of performance.
Governance
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