Atlas Master Line 10004040 HO Scale GP40 Penn Central DCC with Sound #3166 is a model diesel locomotive designed for HO gauge model railroads. The locomotive is manufactured by Atlas and features the Penn Central corporate roadname. It comes equipped with DCC and sound capabilities, allowing for realistic operation and sound effects. The model is part of the Atlas Master Line series, which is known for its high level of detail and accuracy. US Bidders only please