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

Dubbed the S2

Pro-Line 6321-00 PowerStroke Heavy Duty Shock Shafts for X-MAXX

Anti-Rollbars included to help with consistent cornering

Front-only ditch lights mounted on anticlimber

Author Joe Welsh includes period photos

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