40535 HO EMD GP40 Western Pacific - Zephyr: #3502 - DCC SoundRapido is proud to announce the EMD GP40 locomotive! The GP40 series was considered the gold standard of four axle locomotives, with over 1,000 examples built for 30 different railroads in North America. EMD began production in late 1965 with an order for the New York Central. The final locomotive in the series would roll off of the line in 1971 for the Chesapeake & Ohio, number 3794. In between that time period, the Penn Central would amass the