HDD Servo Motors has the most compact electric motors on the market. Our patented Stritorque® technology means that our motors are less than half the size of our best competitors.

Our motors are divided into two segments – Servo Motors and Custom Motors.

Servo Motors

HDD’s Servo Motors are the most compact on the market. The patented Stritorque® technology results in motors with less than half the size of motors with equivalent performance.

Read more about our different models and their performance here.


Custom Motors

Based on our patented Stritorque® technology we develop Custom Motors for the most demanding applications.

Our motors can be found in Airplanes, Robots, Professional Power Tools and much more.