HO Scale - SD70MAC - Burlington Northern #9530 - Tsunami 2 Sound EquippedDescription: During the early 1990s, EMD teamed up with German engineering company Siemens to produce a freight locomotive that was capable of providing AC traction drive currents, and thus providing a high horsepower rating and lower fuel consumption for railroads which had an ever increasing demand for saving fuel consumption by using a lesser amount of units to haul most of their trains. The EMD SD70MAC was first introduced in early 1993, and began