We manufacture automatic transmissions and provide manufacturing services tailored to your needs.
For over 50 years, the Strasbourg site has reliably developed, manufactured, and supplied automatic gearboxes to companies globally.
The automotive landscape is changing and in order to fulfil customers' needs we offer solutions that meet market demands.
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.
The 6L50 automatic transmission is an example of engineering excellence, offering reliability, efficiency, and adaptability for a wide range of vehicles. Designed for both gasoline and diesel engines, this 6-speed transmission has been utilized by leading manufacturers worldwide, demonstrating its versatility and high performance across various applications.
The Dedicated Hybrid Transmission (DHT) system developed by Dumarey is designed to operate seamlessly with either an internal combustion engine or an electric motor, offering multiple operating modes, including regenerative and recuperative functions that enhance energy efficiency and overall performance.
With decades of experience in precision engineering, we design and manufacture high-quality housings for automatic and mechanical transmissions that ensure reliability, performance, and durability in every driving condition.
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.
We manufacture, under license, the latest generation of ZF 8-speed automatic transmissions for BMW’s top-of-the-range vehicles , a benchmark in performance, efficiency, and driving comfort.
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.