GM reveals three e-motors to power its all-electric future

GM reveals three e-motors to power its all-electric future

The electric motors and integrated power electronics within GM’s Ultium Drive units will debut on the 2022 GMC Hummer EV later this year.
At the 2021 Mackinac Policy Conference in Mackinac Island, MI, General Motors President Mark Reuss revealed the company’s group of three new motors that will power its Ultium-based EVs. All three motors were engineered and calibrated in-house to ensure the highest level of performance in Ultium-based EVs. They were built as a scalable family, sharing design principles as well as similar tooling and manufacturing strategies.

“Twenty years of electric-drive-system development and more than 100 years of high-volume vehicle engineering are helping GM pivot quickly from conventional vehicles to EVs,” said Reuss. “Our vertical integration in this space, encompassing both hardware and software, helps give us control over our own destiny and a significant competitive advantage.”

Three Ultium Drive motors

The GM-engineered Ultium Drive motors are a 180-kW front-drive motor, 255-kW rear- and front-drive motor, and 62-kW all-wheel-drive assist motor. The 180- and 255-kW units are permanent magnet motors designed with the aim of minimizing reliance on rare-earth materials, while the 62-kW unit is an induction motor. All are expected to offer class-leading torque and power density, enabling applications in a range of vehicle types from performance cars to work trucks.

GM’s new EV motor family and inte
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