• NATALIA SOUSA

MAHLE Powertrain Invests $4m USD in new US Based Powertrain Dyno Facilities.

MAHLE Powertrain is investing $4m in a new powertrain dynamometer facility in Plymouth, Michigan, to accelerate vehicle development as manufacturers continue shifting towards electrified vehicles. Capable of supporting full powertrain development, from the testing and calibration of individual drive components to the complete driveline systems of complex four-wheel-drive vehicles, the new facility is unique in North America in handling the demands of even the highest performance light- and heavy-duty hybrid and electric vehicles. In addition, the new facility enables Advanced Driver Assistance System (ADAS) technology assessments, US and European emissions testing capability, and drivability development testing all on the same testbed and will be ready for operation in third quarter 2022.



“We are delighted to announce this latest addition to our powertrain testing facility,” said Hugh Blaxill, managing director of MAHLE Powertrain USA. “This investment underscores our determination to provide world-class services to our clients through state-of-the-art facilities and expertise. The new facilities will extend our unique capabilities to cover client requirements both in the US and globally. They will prove an invaluable resource for light-duty and heavy-duty manufacturers alike. Crucially, this means we can conduct a significant amount of development and validation work without requiring a large number of prototype vehicles to be built by the manufacturer.”


The new test facility, located at MAHLE Powertrain’s engineering centre in Plymouth, Michigan, will work alongside the existing chassis dynamometer and will support all aspects of hybrid and battery-electric vehicle development.

By enabling the early assessment of various powertrain layouts and allowing testing to be conducted before a completed chassis is available, the new facility will help manufacturers to shorten the overall development cycle significantly.

As well as complete powertrain testing and calibration work, the facility will enable the development of powertrain systems, the calibration of transmissions, hybrid and battery-electric powertrain configurations, Real Driving Emissions (RDE) measurements and electric vehicle range determination.


The state-of-the-art testbed will even support the testing and evaluation of ADAS technologies including LiDAR and RADAR sensor packs. In addition, it will feature climatic conditioning down to -10°C or up to +40°C.

The new facility exceeds the specifications of the highest-performance electric vehicles on the market, with the capability of handling up to 7,000Nm of instantaneous torque per wheel with an average torque response time of 0.5ms. In addition, the dynos are supported by a 623kW battery emulator with a future expansion capacity to more than 1MW. These features and a maximum wheelbase of 4.5m make the facility unique in accommodating even the highest output pickups and cargo vans.


The new facility is expected to be ready for operation in the third quarter 2022 and is likely to be in high demand, with several premium automotive manufacturers already requesting time allocations.

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