Terzo Power Systems
Terzo Power Systems Hydrapulse Ehsu 62daa5453cc80

Terzo Power Systems Supplying Electrohydraulic Steering Units for Electric Commercial Vehicles

July 22, 2022
The Hydrapulse EHSU will be paired with SEA Electric's SEA-Drive power system to provide electrohydraulic steering in electric-powered commercial vehicles.

Terzo Power Systems has announced it will supply its Hydrapulse electrohydraulic steering pump units (EHSU) to electric vehicle (EV) manufacturer SEA Electric. It will be used in conjunction with SEA Electric's all-electric chassis, the SEA-Drive power system.

Hydrapulse EHSU is a compact unit containing an integrated motor, controller and closed-loop feedback. It was specifically designed for electric steering applications and mobile steering assist. Low- and high-voltage options are available, as are various pump displacements and power levels. 

WATCH MORE: The Marriage of Hydraulics and Electromechanical

SEA Electric is focused on the electrification of commercial vehicles. It launched its first model in 2017, with additional models brought to market in various regions around the world since then. Four versions of the SEA-Drive power system are available to meet the power needs of a range of commercial vehicle applications such as trucks, buses and vans. 

"One of the challenges of modern EV development is ensuring that all systems are as energy efficient as possible, something Terzo brings to the party," said Tony Fairweather, SEA Electric CEO and founder, in Terzo Power Systems' press release announcing the integration partnership. "Incorporating Terzo's cutting-edge Hydrapulse steering units in our SEA-Drive power-system will help us to continue pushing the envelope on EV performance, as well as providing ongoing world-class total cost-of-ownership."

The Hydrapulse EHSU is ruggedly designed, enabling it to meet the heavy-duty requirements of commercial vehicles and other similar applications. Terzo Power Systems states on its website that its EHSU is tested to SAE J1455 automotive standards, which ensures reliability and durability. 

Use of permanent magnet technology in the Hydrapulse EHSU enables the unit to provide instant response and power-on-demand for optimized and efficient performance which will benefit productivity for commercial vehicle owners. In addition, the fully-integrated design of the steering unit provides an easy-to-install product for customers like SEA Electric, as all components are contained in a single unit. This also helps to reduce complexity and cost as there are fewer components to install. 

WATCH AND LEARN: Hear about best practices to follow when working with high-voltage systems which are becoming more common in heavy-duty vehicles in our Engineering Academy technical presentation with Terzo Power Systems' founder Mike Terzo. 

About the Author

Sara Jensen | Executive Editor, Power & Motion

Sara Jensen is executive editor of Power & Motion, directing expanded coverage into the modern fluid power space, as well as mechatronic and smart technologies. She has over 15 years of publishing experience. Prior to Power & Motion she spent 11 years with a trade publication for engineers of heavy-duty equipment, the last 3 of which were as the editor and brand lead. Over the course of her time in the B2B industry, Sara has gained an extensive knowledge of various heavy-duty equipment industries — including construction, agriculture, mining and on-road trucks —along with the systems and market trends which impact them such as fluid power and electronic motion control technologies. 

You can follow Sara and Power & Motion via the following social media handles:

X (formerly Twitter): @TechnlgyEditor and @PowerMotionTech

LinkedIn: @SaraJensen and @Power&Motion

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