Atlas HO Scale GE U28C (DCC/LokSound) Pennsylvania/PRR #6527 is a diesel locomotive model that is part of Atlas' product line. It is designed to be used with HO scale model railroads. The locomotive is equipped with DCC and LokSound technology, which allows it to be controlled digitally. The model is based on the GE U28C locomotive that was used by the Pennsylvania Railroad. US Bidders only please