Athearn RTR 1247 HO Scale EMD SD40-2 Louisville & Nashville L&N 3572 DC Switch Accessory Dubbed the S2

Dubbed the S2

Clipless design for smooth body appearance

Author Joe Welsh includes period photos

They use only the highest quality materials

Athearn RTR 1247 HO Scale EMD SD40-2 Louisville & Nashville L&N 3572 DC Switch Accessory Dubbed the S2Athearn RTR 1247 HO Scale EMD SD40 2 Louisville & Nashville L&N 3572 DC The SD40 2 was introduced in January 1972 as part of EMDs Dash 2 series, responding to competing products from GE and ALCO. Reliability and versatility of the 3,000 horsepower SD40 2 made it the best selling model in EMDs history and the standard of the industry for several decades after its introduction. The SD40 2 was an improvement over the SD40, with modular electronic control