Used on the following models:

Matrix Fitness
T3x-05-G2 - MTM68BMXT3X,MTM001 - N/A
T3x-06-G3-110 - TM94B - 2006-2008
T3xi-06-G3-110 - TM94B,RTM94b - 2006-2008

Vision Fitness
T8600HRC - T8600HRC - 1998-2000