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Authorized Repair Service

Potomac Electric
Potomac Electric
Haas Repair, Refurbishment, and Replacements

Potomac Repair Services offers 20 years of experience in servomotor and servodrive repairs for Haas Automation 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 servomotors for HAAS CNC machining centers. Working on HAAS servo motors for many years, Potomac Electric has developed new high-energy replacement servo motors. Engineered and manufactured in the USA, these new servo motors feature compact size and a new high-quality silver commutator.

Potomac Electric can also repair and refurbish any HAAS rotary table.

Haas part # Description PE Part # Used In Notes
9345-10 DC motor w/encoder MXE3236.DX HRT160 3”, 
no pulley
9345-12 DC motor w/encoder MXE4117.DX HRT210, HRT310 4”, 
no pulley


DC servo motors and servo drives have continued to be the workhorse of the CNC industry. This is why Potomac Electric has invested in designing a new line of DC servo motors to support the industry's needs. Potomac Electric's excellent technical support and experienced engineers will ensure that every customer will benefit from upgrading to Potomac Electric servomotors.

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 the 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 please 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.