The ROTRON Transportation Sealless Pumps and Brushless DC Motors by Bison AMETEK is SAE J1939 CAN enabled and incorporates a brushless DC motor with a 40,000-hour-operational life and quiet-running, wet-rotor design. The electromagnetically coupled design has no wet seal to wear out or replace. By eliminating brush maintenance and associated motor failures, the company says the product is maintenance free. Other features include CAN interface, protection from over temperature, current overload, locked rotor, reverse polarity and transient voltage spikes.