Profile

TM4 supplies motors, generators and inverters for the two markets it serves:

Transportation: customized electric drivetrains for electric and hybrid vehicle manufacturers.
Power generation: generators for wind turbine and gen-set manufacturers.

Our unique permanent magnet electric motors, coupled with our power-dense electronic converters as well as our generators, increase efficiency and performance while lowering overall operating costs.

Spun off by Hydro-Quebec in 1998, TM4 pioneered the electric propulsion system technology developed by Hydro-Québec's renowned research centre (IREQ). Today, TM4 provides its customers with distinctive expertise in leveraging its permanent magnet, power electronics and control technology to enhance the performance of automotive applications and electrical power production applications.