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Authorized Repair Service

Potomac Electric
Potomac Electric
Bryant Grinder Repair, Refurbishment, and Replacements

Potomac Repair Services offers 20 years of experience in servo motor and servo drive repairs for Bryant Grinder machines. We also manufacture and design Form, Fit, and Function replacement parts.

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Potomac Electric is the industry leader in manufacturing replacement servo motors for Bryant Grinder grinding machines. Working on Bryant Grinder servo motors for many years, Potomac Electric has developed new high energy replacement servo motors. Engineered and manufactured in USA, these new servo motors feature compact size, high quality and a new silver commutator.

Bryant Grinder Part # Potomac Electric Part # Kollmorgen Part # Description
2E1453-1 BMTRX-6304 BRT3107-3025-C9 Brushless motor
2E1453-2 BMTRX-6304 BRT3105-3025-C8 Brushless motor


In the 1990s, the majority of machine manufacturers shifted from brushed servo motors to brushless servo motors as the cost of the technology decreased. The higher speeds and absence of brush maintenance in the brushless servo motors offered favorable advantages. As DC brush servo motors became less attractive, machine builders slowly phased out this technology. As a result, the price and delivery of these servo motors increased dramatically. Potomac Electric has set a goal to support such a void in the machine tool industry with a high-quality DC brush servo motors at a low cost.

The list of servo motors we support is constantly growing as we identify the needs of our customers. We are a small business and we understand the difficulty and cost of maintaining machinery. Please drop us a note on our Inquiry and Quotes page with any questions.

Many of the servomotors listed above are in stock and waiting for your order, so call for details at (617) 364-0400. Servomotor models that do not appear in this list may be available in our Parts Inventory, so contact us if you have any small-lot production needs.