Eaton’s Hydre-MAC™ Motor Maximizes Uptime for Optimal Application Efficiency; Reduces Total Cost of Ownership

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EDEN PRAIRIE, MINN. … Power management company Eaton today announced the launch of Hydre-MACTM, a low-speed, high torque (LSHT) direct drive, radial piston motor – featuring a cam lobe design – for variable speed applications that uses less energy to deliver more power when needed. With class-leading low speed performance, Hydre-MAC is ideal for offshore, marine, metal recovery, mining, pulp & paper and off-highway stationary applications.

The Hydre-MAC motor, created using a MacTaggart Scott heavy-duty motor design, combines MacTaggart Scott’s motor expertise with Eaton’s extensive industry knowledge, particularly in oil and gas, mining and manufacturing applications.

“The Hydre-MAC motor provides efficient, reliable and serviceable power at a low cost of ownership,” said Lyle Meyer, product manager, Eaton. “Additionally, Eaton’s global network of distributors with product and technology expertise and system design capability have the resources to quickly meet market demand to ensure critical operations are running optimally at all times.”

The motor increases component life with two inlet and outlet ports reducing pressure drops at high power; by generating less heat overall; and through a symmetrical 18 piston/roller assembly design, which eliminates piston side-loading and reduces wear and tear. 

To help customers maximize uptime—a crucial element to successful operations, the
Hydre-MAC motor is a direct drop-in replacement for the industry’s most installed motor, reducing switching costs by eliminating the need to replace the machine shaft and torque arm.

Longer component life extends motor life, which not only increases uptime, but reduces the total lifetime cost of ownership. Hydre-MAC’s repairable wear surfaces, including shaft seals, wear rings, piston seals and bearing pads, can be replaced on-site by one of Eaton’s skilled distribution partners.

Distributors can now place orders for the 20,160 cubic centimeters per revolution (ccr) (1231 cubic inches per revolution (cir)) and 25,320 ccr (1546 cir) displacements.

To learn more about Eaton’s Hydre-MAC motor, visit          

Eaton is a power management company providing energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power. A global technology leader, Eaton acquired Cooper Industries plc in November 2012. The 2012 revenue of the combined companies was $21.8 billion on a pro forma basis. Eaton has approximately 102,000 employees and sells products to customers in more than 175 countries. For more information, visit

News Source : Eaton’s Hydre-MAC™ Motor Maximizes Uptime for Optimal Application Efficiency; Reduces Total Cost of Ownership

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