These DC servo motors by PITTMAN are brush commutated units that are available in various sizes and configurable. Their diameters range from 22 to 82-mm, depending on the specific model. There are many options available, including brakes, different encoder resolutions, and gears with reductions in ranges from 4:1 to over 4,000:1. Permanent magnet materials and various brush materials are available to optimize performance in unique processes. Additional features include bearing systems, EMI/RFI systems, and output shaft functions.