Athearn RTR 1237 HO Scale EMD SD40-2 Kansas City Southern KCS 681 DC Midget as are the bumpers

as are the bumpers

22" radius

Rocket forward

modelers of all experience levels can enjoy the charging advantages of innovative Spektrum™ Smart technology

Athearn RTR 1237 HO Scale EMD SD40-2 Kansas City Southern KCS 681 DC Midget as are the bumpersAthearn RTR 1237 HO Scale EMD SD40 2 Kansas City Southern KCS 681 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