Source Engineering introduced planetary brush and brushless gearmotors for OEM applications. Gearmotors are best suited to applications requiring high torque and speed reduction and are available in ratios from 3:1 up to 3,729: 1. According to the company's press release, the 22 mm and 56 mm diameter gearmotors can be supplied with 3 - 36 VDC motors, plastic, powder metal or cut metal gears and 2/3 channel quadrature optical encoders.