AE 4120-2000 M3 TC9M MotorFor Tweco Water Cooler115 / 230 Volt 50/60 Hz. Tweco TC900, 4120-2000Standard Motor for Tweco Water Cooler - TWE4010-1011Replaces TC9M 4120-2000 motor, is Switchable 115 / 230v, fits Tweco water coolers TC900V, TC900G horizontal style water coolers and TCV900V and TCV900G vertical style water coolers. TC9M Replacement Water cooler motor for Tweco 4120-2000