Dumarey Group operates as a global supplier of gear reducer and automatic transmission engineering services, focused on precision-engineered drivetrain solutions for conventional, hybrid, and electrified powertrains. With decades of expertise in transmission systems manufacturing, we design and manufacture components that enable optimal torque transfer, enhance energy efficiency, and support the automotive industry's transition toward sustainable mobility. Our heritage manufacturing capabilities encompass development and prototyping, supporting our customer from concept to serial production as well as for the aftermarket, ensuring a complete lifecycle partnership for original equipment manufacturers worldwide.
Gear reducers are advanced systems designed to optimize the performance of battery-powered and fuel-cell vehicles. They also serve as vital components that complement conventional powertrains, making them especially suitable for P4-type hybrid vehicles. By integrating gear reducers, manufacturers can significantly enhance vehicle efficiency, reduce emissions, and improve overall performance. The importance of this technology cannot be overstated, as it plays a crucial role in supporting the automotive industry’s ongoing transition to electric and hybrid mobility.
Dumarey designs and manufactures planetary carriers, inner and outer ring gears, and drive shafts with the highest precision standards. Our components are engineered to deliver exceptional durability, strength, and performance, even under demanding operating conditions.
Dumarey Powerglide produces ring gears and synchronizer parts with heat treatment for industrial vehicles, trucks, and buses.
For over 40 years, we’ve applied our expertise to develop high-quality projects.
Thanks to our history and experience, we understand the value of building strong relationships with our customers.
Dumarey’s gear reducers and automatic transmissions serve a wide range of sectors:
Expertise: Over 50 years of leadership in transmission system development and manufacturing.
Innovation: Continuous R&D investment in high-efficiency, next-gen transmission technologies.
Quality: Certified production processes meeting the highest global standards.
Global Reach: Partner of choice for OEMs like BMW, General Motors, Mitsubishi, and others.